/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/loop-invgen/half_2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 09:41:38,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 09:41:38,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 09:41:38,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 09:41:38,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 09:41:38,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 09:41:38,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 09:41:38,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 09:41:38,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 09:41:38,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 09:41:38,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 09:41:38,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 09:41:38,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 09:41:38,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 09:41:38,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 09:41:38,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 09:41:38,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 09:41:38,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 09:41:38,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 09:41:38,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 09:41:38,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 09:41:38,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 09:41:38,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 09:41:38,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 09:41:38,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 09:41:38,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 09:41:38,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 09:41:38,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 09:41:38,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 09:41:38,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 09:41:38,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 09:41:38,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 09:41:38,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 09:41:38,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 09:41:38,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 09:41:38,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 09:41:38,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 09:41:38,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 09:41:38,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 09:41:38,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 09:41:38,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 09:41:38,460 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 09:41:38,488 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 09:41:38,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 09:41:38,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 09:41:38,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 09:41:38,490 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 09:41:38,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 09:41:38,491 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 09:41:38,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 09:41:38,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 09:41:38,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 09:41:38,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 09:41:38,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 09:41:38,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 09:41:38,492 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 09:41:38,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 09:41:38,492 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 09:41:38,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 09:41:38,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 09:41:38,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 09:41:38,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 09:41:38,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 09:41:38,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 09:41:38,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 09:41:38,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 09:41:38,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 09:41:38,495 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 09:41:38,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 09:41:38,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 09:41:38,496 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 09:41:38,496 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 09:41:38,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 09:41:38,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 09:41:38,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 09:41:38,982 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 09:41:38,984 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 09:41:38,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/half_2.i [2020-10-29 09:41:39,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8fcdc835f/fea9757b523d40df9959394978001a6e/FLAGb75ed145e [2020-10-29 09:41:39,802 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 09:41:39,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/half_2.i [2020-10-29 09:41:39,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8fcdc835f/fea9757b523d40df9959394978001a6e/FLAGb75ed145e [2020-10-29 09:41:40,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8fcdc835f/fea9757b523d40df9959394978001a6e [2020-10-29 09:41:40,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 09:41:40,166 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 09:41:40,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 09:41:40,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 09:41:40,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 09:41:40,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:41:40" (1/1) ... [2020-10-29 09:41:40,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@685e4fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:41:40, skipping insertion in model container [2020-10-29 09:41:40,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:41:40" (1/1) ... [2020-10-29 09:41:40,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 09:41:40,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 09:41:40,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:41:40,432 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 09:41:40,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:41:40,467 INFO L208 MainTranslator]: Completed translation [2020-10-29 09:41:40,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:41:40 WrapperNode [2020-10-29 09:41:40,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 09:41:40,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 09:41:40,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 09:41:40,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 09:41:40,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:41:40" (1/1) ... [2020-10-29 09:41:40,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:41:40" (1/1) ... [2020-10-29 09:41:40,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:41:40" (1/1) ... [2020-10-29 09:41:40,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:41:40" (1/1) ... [2020-10-29 09:41:40,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:41:40" (1/1) ... [2020-10-29 09:41:40,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:41:40" (1/1) ... [2020-10-29 09:41:40,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:41:40" (1/1) ... [2020-10-29 09:41:40,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 09:41:40,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 09:41:40,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 09:41:40,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 09:41:40,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:41:40" (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 09:41:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 09:41:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 09:41:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 09:41:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 09:41:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-29 09:41:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 09:41:40,598 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 09:41:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 09:41:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 09:41:40,599 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 09:41:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 09:41:40,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 09:41:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 09:41:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-29 09:41:40,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 09:41:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 09:41:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 09:41:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 09:41:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 09:41:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 09:41:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 09:41:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 09:41:41,092 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 09:41:41,093 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-29 09:41:41,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:41:41 BoogieIcfgContainer [2020-10-29 09:41:41,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 09:41:41,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 09:41:41,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 09:41:41,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 09:41:41,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 09:41:40" (1/3) ... [2020-10-29 09:41:41,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ae14af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:41:41, skipping insertion in model container [2020-10-29 09:41:41,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:41:40" (2/3) ... [2020-10-29 09:41:41,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ae14af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:41:41, skipping insertion in model container [2020-10-29 09:41:41,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:41:41" (3/3) ... [2020-10-29 09:41:41,110 INFO L111 eAbstractionObserver]: Analyzing ICFG half_2.i [2020-10-29 09:41:41,125 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 09:41:41,130 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 09:41:41,145 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 09:41:41,179 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 09:41:41,179 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 09:41:41,179 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 09:41:41,180 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 09:41:41,180 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 09:41:41,180 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 09:41:41,180 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 09:41:41,180 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 09:41:41,236 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-10-29 09:41:41,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-29 09:41:41,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:41:41,250 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:41:41,250 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:41:41,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:41:41,257 INFO L82 PathProgramCache]: Analyzing trace with hash -659285693, now seen corresponding path program 1 times [2020-10-29 09:41:41,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:41:41,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1209136721] [2020-10-29 09:41:41,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:41:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:41,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:41,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:42,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:42,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 09:41:42,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:41:42,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 612 [2020-10-29 09:41:42,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:42,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:42,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:41:42,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:41:42,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 09:41:42,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 09:41:42,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:41:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:42,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:42,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:42,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:41:42,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:42,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 09:41:42,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:42,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:42,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:41:42,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:42,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:41:42,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:42,200 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 09:41:42,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1209136721] [2020-10-29 09:41:42,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:41:42,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 09:41:42,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911909864] [2020-10-29 09:41:42,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 09:41:42,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:41:42,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 09:41:42,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-29 09:41:42,227 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 8 states. [2020-10-29 09:41:42,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:41:42,599 INFO L93 Difference]: Finished difference Result 57 states and 74 transitions. [2020-10-29 09:41:42,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 09:41:42,602 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2020-10-29 09:41:42,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:41:42,610 INFO L225 Difference]: With dead ends: 57 [2020-10-29 09:41:42,611 INFO L226 Difference]: Without dead ends: 29 [2020-10-29 09:41:42,615 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-10-29 09:41:42,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-29 09:41:42,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2020-10-29 09:41:42,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-29 09:41:42,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2020-10-29 09:41:42,667 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 16 [2020-10-29 09:41:42,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:41:42,668 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2020-10-29 09:41:42,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 09:41:42,668 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2020-10-29 09:41:42,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-29 09:41:42,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:41:42,670 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:41:42,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 09:41:42,670 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:41:42,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:41:42,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1370955509, now seen corresponding path program 1 times [2020-10-29 09:41:42,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:41:42,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2112189451] [2020-10-29 09:41:42,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:41:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:42,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:42,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:42,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-29 09:41:42,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:42,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-29 09:41:42,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:42,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:42,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 09:41:42,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:41:42,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 09:41:42,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:41:43,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:41:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:43,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:43,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:43,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:41:43,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:43,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 09:41:43,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:43,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:43,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:41:43,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:43,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:41:43,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:41:43,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:41:43,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2112189451] [2020-10-29 09:41:43,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:41:43,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 09:41:43,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508668703] [2020-10-29 09:41:43,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 09:41:43,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:41:43,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 09:41:43,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-29 09:41:43,031 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand 9 states. [2020-10-29 09:41:43,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:41:43,520 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2020-10-29 09:41:43,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 09:41:43,520 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2020-10-29 09:41:43,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:41:43,524 INFO L225 Difference]: With dead ends: 45 [2020-10-29 09:41:43,525 INFO L226 Difference]: Without dead ends: 41 [2020-10-29 09:41:43,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2020-10-29 09:41:43,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-29 09:41:43,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 29. [2020-10-29 09:41:43,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-29 09:41:43,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2020-10-29 09:41:43,552 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 17 [2020-10-29 09:41:43,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:41:43,553 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2020-10-29 09:41:43,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 09:41:43,553 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2020-10-29 09:41:43,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-29 09:41:43,556 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:41:43,556 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:41:43,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 09:41:43,557 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:41:43,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:41:43,560 INFO L82 PathProgramCache]: Analyzing trace with hash -902130689, now seen corresponding path program 2 times [2020-10-29 09:41:43,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:41:43,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [155332026] [2020-10-29 09:41:43,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:41:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:43,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:43,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:43,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 09:41:43,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:43,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-29 09:41:43,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:43,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:43,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:41:43,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:41:43,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 09:41:43,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:43,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:41:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:43,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:43,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:43,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:41:43,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:43,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 09:41:43,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:43,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:43,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:41:43,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:43,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:41:43,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:43,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:41:43,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [155332026] [2020-10-29 09:41:43,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:41:43,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 09:41:43,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853703765] [2020-10-29 09:41:43,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 09:41:43,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:41:43,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 09:41:43,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 09:41:43,890 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 8 states. [2020-10-29 09:41:44,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:41:44,270 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2020-10-29 09:41:44,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 09:41:44,271 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-10-29 09:41:44,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:41:44,272 INFO L225 Difference]: With dead ends: 47 [2020-10-29 09:41:44,272 INFO L226 Difference]: Without dead ends: 43 [2020-10-29 09:41:44,273 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-10-29 09:41:44,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-29 09:41:44,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 30. [2020-10-29 09:41:44,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-29 09:41:44,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2020-10-29 09:41:44,283 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 18 [2020-10-29 09:41:44,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:41:44,283 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2020-10-29 09:41:44,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 09:41:44,283 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2020-10-29 09:41:44,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-29 09:41:44,284 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:41:44,284 INFO L422 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:41:44,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 09:41:44,285 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:41:44,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:41:44,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1646641205, now seen corresponding path program 3 times [2020-10-29 09:41:44,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:41:44,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [312229845] [2020-10-29 09:41:44,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:41:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:44,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:44,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:44,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 09:41:44,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:44,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-29 09:41:44,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:44,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:44,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 09:41:44,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:41:44,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 09:41:44,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:44,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:41:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:44,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:44,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:44,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:41:44,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:44,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 09:41:44,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:44,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:44,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:41:44,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:44,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:41:44,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:44,533 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:41:44,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [312229845] [2020-10-29 09:41:44,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:41:44,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 09:41:44,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579541355] [2020-10-29 09:41:44,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 09:41:44,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:41:44,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 09:41:44,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-29 09:41:44,542 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 9 states. [2020-10-29 09:41:44,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:41:44,901 INFO L93 Difference]: Finished difference Result 57 states and 64 transitions. [2020-10-29 09:41:44,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 09:41:44,901 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-10-29 09:41:44,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:41:44,904 INFO L225 Difference]: With dead ends: 57 [2020-10-29 09:41:44,904 INFO L226 Difference]: Without dead ends: 53 [2020-10-29 09:41:44,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2020-10-29 09:41:44,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-29 09:41:44,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 26. [2020-10-29 09:41:44,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-29 09:41:44,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2020-10-29 09:41:44,915 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 19 [2020-10-29 09:41:44,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:41:44,915 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2020-10-29 09:41:44,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 09:41:44,915 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-10-29 09:41:44,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-29 09:41:44,916 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:41:44,916 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] [2020-10-29 09:41:44,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 09:41:44,917 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:41:44,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:41:44,917 INFO L82 PathProgramCache]: Analyzing trace with hash 986113300, now seen corresponding path program 1 times [2020-10-29 09:41:44,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:41:44,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1872665529] [2020-10-29 09:41:44,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:41:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:44,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:44,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:44,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:45,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:45,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:45,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:45,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-29 09:41:45,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 09:41:45,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 641 [2020-10-29 09:41:45,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:45,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:45,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:41:45,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:41:45,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 09:41:45,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:45,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:41:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:45,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:45,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:45,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:41:45,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:45,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 09:41:45,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:45,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:41:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:41:45,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:45,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 09:41:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:45,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:45,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:45,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:45,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:45,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:41:45,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:45,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:45,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:45,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:45,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:45,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:45,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:41:45,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1872665529] [2020-10-29 09:41:45,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:41:45,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 09:41:45,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169171368] [2020-10-29 09:41:45,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 09:41:45,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:41:45,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 09:41:45,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-29 09:41:45,657 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 7 states. [2020-10-29 09:41:45,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:41:45,828 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2020-10-29 09:41:45,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 09:41:45,829 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-10-29 09:41:45,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:41:45,830 INFO L225 Difference]: With dead ends: 45 [2020-10-29 09:41:45,830 INFO L226 Difference]: Without dead ends: 27 [2020-10-29 09:41:45,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-29 09:41:45,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-29 09:41:45,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-29 09:41:45,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-29 09:41:45,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2020-10-29 09:41:45,839 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 23 [2020-10-29 09:41:45,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:41:45,839 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2020-10-29 09:41:45,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 09:41:45,839 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2020-10-29 09:41:45,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-29 09:41:45,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:41:45,840 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] [2020-10-29 09:41:45,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 09:41:45,841 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:41:45,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:41:45,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1327295134, now seen corresponding path program 1 times [2020-10-29 09:41:45,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:41:45,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1674055238] [2020-10-29 09:41:45,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:41:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:45,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:45,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:46,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:46,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 09:41:46,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:41:46,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 386 [2020-10-29 09:41:46,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:46,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:46,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:41:46,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:41:46,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 09:41:46,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:46,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:41:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:46,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:46,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:46,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:41:46,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:46,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 09:41:46,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:46,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:46,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:41:46,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:46,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:41:46,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:46,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-29 09:41:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:46,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:46,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:46,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:46,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:46,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 09:41:46,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:46,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:46,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:46,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:46,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:46,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:46,378 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:41:46,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1674055238] [2020-10-29 09:41:46,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:41:46,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 09:41:46,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48493317] [2020-10-29 09:41:46,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 09:41:46,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:41:46,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 09:41:46,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-29 09:41:46,382 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 8 states. [2020-10-29 09:41:46,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:41:46,660 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2020-10-29 09:41:46,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 09:41:46,661 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2020-10-29 09:41:46,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:41:46,662 INFO L225 Difference]: With dead ends: 44 [2020-10-29 09:41:46,662 INFO L226 Difference]: Without dead ends: 28 [2020-10-29 09:41:46,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-29 09:41:46,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-10-29 09:41:46,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-10-29 09:41:46,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-29 09:41:46,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2020-10-29 09:41:46,678 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 24 [2020-10-29 09:41:46,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:41:46,678 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2020-10-29 09:41:46,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 09:41:46,678 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2020-10-29 09:41:46,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-29 09:41:46,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:41:46,680 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] [2020-10-29 09:41:46,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 09:41:46,680 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:41:46,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:41:46,681 INFO L82 PathProgramCache]: Analyzing trace with hash -980969900, now seen corresponding path program 2 times [2020-10-29 09:41:46,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:41:46,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147302057] [2020-10-29 09:41:46,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:41:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:46,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:46,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:46,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-29 09:41:46,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:46,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-29 09:41:46,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:46,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:46,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 09:41:46,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:41:46,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 09:41:46,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:46,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:41:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:46,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:46,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:46,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:41:46,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:46,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:41:46,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:46,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:46,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:41:46,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:46,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:41:46,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:46,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 09:41:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:46,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:46,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:46,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:46,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:46,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:41:46,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:46,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:46,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:46,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:46,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:46,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:46,991 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:41:46,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1147302057] [2020-10-29 09:41:46,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:41:46,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 09:41:46,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586208783] [2020-10-29 09:41:46,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 09:41:46,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:41:46,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 09:41:46,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-29 09:41:46,994 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 11 states. [2020-10-29 09:41:47,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:41:47,493 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2020-10-29 09:41:47,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 09:41:47,494 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 25 [2020-10-29 09:41:47,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:41:47,495 INFO L225 Difference]: With dead ends: 44 [2020-10-29 09:41:47,495 INFO L226 Difference]: Without dead ends: 29 [2020-10-29 09:41:47,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2020-10-29 09:41:47,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-29 09:41:47,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-29 09:41:47,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-29 09:41:47,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2020-10-29 09:41:47,503 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 25 [2020-10-29 09:41:47,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:41:47,504 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2020-10-29 09:41:47,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 09:41:47,504 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2020-10-29 09:41:47,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-29 09:41:47,505 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:41:47,505 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:41:47,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 09:41:47,505 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:41:47,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:41:47,506 INFO L82 PathProgramCache]: Analyzing trace with hash 477258078, now seen corresponding path program 3 times [2020-10-29 09:41:47,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:41:47,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1128765602] [2020-10-29 09:41:47,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:41:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:47,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:47,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:47,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 09:41:47,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:47,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-29 09:41:47,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:47,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:47,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 09:41:47,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:41:47,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 09:41:47,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:47,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:41:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:47,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:47,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:47,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:41:47,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:47,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:41:47,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:47,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:47,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:41:47,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:47,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:41:47,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:47,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 09:41:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:47,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:47,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:47,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:47,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:47,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:41:47,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:47,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:47,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:47,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:47,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:47,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:47,719 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:41:47,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1128765602] [2020-10-29 09:41:47,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:41:47,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 09:41:47,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024049468] [2020-10-29 09:41:47,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 09:41:47,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:41:47,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 09:41:47,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-29 09:41:47,722 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 10 states. [2020-10-29 09:41:48,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:41:48,110 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2020-10-29 09:41:48,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 09:41:48,112 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-10-29 09:41:48,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:41:48,113 INFO L225 Difference]: With dead ends: 44 [2020-10-29 09:41:48,113 INFO L226 Difference]: Without dead ends: 40 [2020-10-29 09:41:48,115 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2020-10-29 09:41:48,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-29 09:41:48,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 36. [2020-10-29 09:41:48,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-29 09:41:48,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2020-10-29 09:41:48,124 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 26 [2020-10-29 09:41:48,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:41:48,125 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2020-10-29 09:41:48,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 09:41:48,125 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2020-10-29 09:41:48,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-29 09:41:48,126 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:41:48,126 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:41:48,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 09:41:48,127 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:41:48,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:41:48,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1259417579, now seen corresponding path program 4 times [2020-10-29 09:41:48,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:41:48,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [635698871] [2020-10-29 09:41:48,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:41:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:48,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:48,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:48,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-29 09:41:48,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:48,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-29 09:41:48,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:48,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:48,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 09:41:48,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:41:48,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 09:41:48,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:48,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:41:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:48,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:48,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:48,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:41:48,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:48,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:41:48,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:48,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:48,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:41:48,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:48,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:41:48,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:48,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 09:41:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:48,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:48,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:48,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:48,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:48,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:41:48,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:48,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:48,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:48,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:48,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:48,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:48,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 09:41:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:48,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:48,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:48,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:48,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:48,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:41:48,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:48,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:48,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:48,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:48,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:48,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:48,501 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 09:41:48,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [635698871] [2020-10-29 09:41:48,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:41:48,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 09:41:48,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849199252] [2020-10-29 09:41:48,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 09:41:48,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:41:48,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 09:41:48,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-29 09:41:48,504 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 13 states. [2020-10-29 09:41:49,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:41:49,167 INFO L93 Difference]: Finished difference Result 55 states and 59 transitions. [2020-10-29 09:41:49,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 09:41:49,169 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 33 [2020-10-29 09:41:49,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:41:49,170 INFO L225 Difference]: With dead ends: 55 [2020-10-29 09:41:49,171 INFO L226 Difference]: Without dead ends: 37 [2020-10-29 09:41:49,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=101, Invalid=451, Unknown=0, NotChecked=0, Total=552 [2020-10-29 09:41:49,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-29 09:41:49,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-29 09:41:49,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-29 09:41:49,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2020-10-29 09:41:49,184 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 33 [2020-10-29 09:41:49,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:41:49,184 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2020-10-29 09:41:49,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 09:41:49,184 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2020-10-29 09:41:49,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-29 09:41:49,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:41:49,186 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:41:49,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 09:41:49,186 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:41:49,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:41:49,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1869942497, now seen corresponding path program 5 times [2020-10-29 09:41:49,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:41:49,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1546071743] [2020-10-29 09:41:49,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:41:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:49,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:49,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:49,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-29 09:41:49,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:49,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-29 09:41:49,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:49,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:49,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 09:41:49,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:41:49,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 09:41:49,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:49,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:41:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:49,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:49,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:49,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:41:49,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:49,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:41:49,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:49,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:49,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:41:49,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:49,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:41:49,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:49,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-29 09:41:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:49,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:49,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:49,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:49,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:49,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:41:49,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:49,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:49,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:49,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:49,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:49,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:41:49,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-29 09:41:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:49,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:49,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:49,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:49,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:49,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:41:49,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:49,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:49,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:49,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:49,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:49,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:49,506 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 09:41:49,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1546071743] [2020-10-29 09:41:49,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:41:49,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 09:41:49,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939093269] [2020-10-29 09:41:49,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 09:41:49,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:41:49,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 09:41:49,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-29 09:41:49,509 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 12 states. [2020-10-29 09:41:50,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:41:50,084 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2020-10-29 09:41:50,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 09:41:50,085 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 34 [2020-10-29 09:41:50,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:41:50,086 INFO L225 Difference]: With dead ends: 52 [2020-10-29 09:41:50,086 INFO L226 Difference]: Without dead ends: 48 [2020-10-29 09:41:50,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2020-10-29 09:41:50,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-29 09:41:50,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2020-10-29 09:41:50,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-29 09:41:50,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 45 transitions. [2020-10-29 09:41:50,110 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 45 transitions. Word has length 34 [2020-10-29 09:41:50,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:41:50,110 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 45 transitions. [2020-10-29 09:41:50,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 09:41:50,111 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2020-10-29 09:41:50,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-29 09:41:50,114 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:41:50,116 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:41:50,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 09:41:50,116 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:41:50,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:41:50,117 INFO L82 PathProgramCache]: Analyzing trace with hash 246035764, now seen corresponding path program 6 times [2020-10-29 09:41:50,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:41:50,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028737053] [2020-10-29 09:41:50,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:41:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:50,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:50,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:50,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-29 09:41:50,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:50,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-10-29 09:41:50,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:50,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:50,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 09:41:50,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:41:50,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 09:41:50,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:50,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:41:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:50,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:50,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:50,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:41:50,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:50,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:41:50,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:50,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:50,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:41:50,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:50,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:41:50,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:50,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-29 09:41:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:50,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:50,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:50,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:50,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:50,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:41:50,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:50,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:50,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:50,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:50,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:50,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:50,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-29 09:41:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:50,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:50,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:50,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:50,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:50,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:41:50,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:50,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:50,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:50,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:50,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:50,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:50,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 09:41:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:50,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:50,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:50,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:50,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:50,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:41:50,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:50,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:50,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:50,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:50,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:50,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:50,689 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-29 09:41:50,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028737053] [2020-10-29 09:41:50,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:41:50,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-29 09:41:50,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408568923] [2020-10-29 09:41:50,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 09:41:50,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:41:50,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 09:41:50,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2020-10-29 09:41:50,692 INFO L87 Difference]: Start difference. First operand 44 states and 45 transitions. Second operand 15 states. [2020-10-29 09:41:51,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:41:51,431 INFO L93 Difference]: Finished difference Result 66 states and 71 transitions. [2020-10-29 09:41:51,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 09:41:51,431 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 41 [2020-10-29 09:41:51,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:41:51,432 INFO L225 Difference]: With dead ends: 66 [2020-10-29 09:41:51,432 INFO L226 Difference]: Without dead ends: 45 [2020-10-29 09:41:51,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2020-10-29 09:41:51,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-29 09:41:51,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-29 09:41:51,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-29 09:41:51,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2020-10-29 09:41:51,447 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 41 [2020-10-29 09:41:51,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:41:51,447 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2020-10-29 09:41:51,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 09:41:51,447 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2020-10-29 09:41:51,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-29 09:41:51,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:41:51,448 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:41:51,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 09:41:51,449 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:41:51,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:41:51,449 INFO L82 PathProgramCache]: Analyzing trace with hash 725724222, now seen corresponding path program 7 times [2020-10-29 09:41:51,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:41:51,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1817768533] [2020-10-29 09:41:51,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:41:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:51,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:51,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:51,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-29 09:41:51,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:51,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-10-29 09:41:51,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:51,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:51,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 09:41:51,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:41:51,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 09:41:51,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:41:51,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:41:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:51,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:51,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:51,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:41:51,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:51,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:41:51,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:51,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:51,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:41:51,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:51,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:41:51,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:41:51,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 09:41:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:51,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:51,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:51,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:51,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:51,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:41:51,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:51,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:51,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:51,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:51,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:51,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:51,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 09:41:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:51,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:51,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:51,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:51,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:51,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:41:51,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:51,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:51,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:51,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:51,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:51,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:51,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-29 09:41:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:51,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:51,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:51,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:51,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:51,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:41:51,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:51,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:51,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:51,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:51,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:51,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:51,943 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-29 09:41:51,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1817768533] [2020-10-29 09:41:51,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:41:51,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-29 09:41:51,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228659460] [2020-10-29 09:41:51,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-29 09:41:51,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:41:51,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-29 09:41:51,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-10-29 09:41:51,947 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 14 states. [2020-10-29 09:41:52,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:41:52,581 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2020-10-29 09:41:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 09:41:52,581 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 42 [2020-10-29 09:41:52,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:41:52,583 INFO L225 Difference]: With dead ends: 60 [2020-10-29 09:41:52,583 INFO L226 Difference]: Without dead ends: 56 [2020-10-29 09:41:52,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2020-10-29 09:41:52,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-29 09:41:52,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2020-10-29 09:41:52,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-29 09:41:52,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2020-10-29 09:41:52,602 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 42 [2020-10-29 09:41:52,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:41:52,603 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2020-10-29 09:41:52,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-29 09:41:52,603 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2020-10-29 09:41:52,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-29 09:41:52,604 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:41:52,604 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:41:52,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 09:41:52,604 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:41:52,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:41:52,605 INFO L82 PathProgramCache]: Analyzing trace with hash 725584181, now seen corresponding path program 8 times [2020-10-29 09:41:52,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:41:52,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [148207891] [2020-10-29 09:41:52,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:41:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:52,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:53,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:53,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-29 09:41:53,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:53,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 384 [2020-10-29 09:41:53,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:53,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:53,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 09:41:53,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:41:53,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-29 09:41:53,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:41:53,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:41:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:53,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:53,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:53,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:41:53,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:53,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:41:53,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:53,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:53,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:41:53,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:53,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:41:53,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:53,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 09:41:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:53,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:53,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:53,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:53,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:53,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:41:53,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:53,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:53,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:53,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:53,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:53,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:53,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 09:41:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:53,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:53,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:53,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:53,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:53,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:41:53,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:53,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:53,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:53,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:53,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:53,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:53,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-29 09:41:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:53,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:53,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:53,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:53,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:53,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:41:53,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:53,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:53,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:53,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:53,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:53,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:53,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 09:41:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:53,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:53,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:53,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:53,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:53,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:41:53,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:53,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:53,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:53,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:53,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:53,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:53,363 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 30 proven. 19 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-29 09:41:53,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [148207891] [2020-10-29 09:41:53,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:41:53,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-29 09:41:53,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325050004] [2020-10-29 09:41:53,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-29 09:41:53,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:41:53,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-29 09:41:53,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2020-10-29 09:41:53,366 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand 17 states. [2020-10-29 09:41:54,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:41:54,275 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2020-10-29 09:41:54,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 09:41:54,276 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 49 [2020-10-29 09:41:54,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:41:54,277 INFO L225 Difference]: With dead ends: 77 [2020-10-29 09:41:54,277 INFO L226 Difference]: Without dead ends: 53 [2020-10-29 09:41:54,279 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=168, Invalid=762, Unknown=0, NotChecked=0, Total=930 [2020-10-29 09:41:54,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-29 09:41:54,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-29 09:41:54,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-29 09:41:54,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2020-10-29 09:41:54,294 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 49 [2020-10-29 09:41:54,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:41:54,294 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2020-10-29 09:41:54,294 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-29 09:41:54,294 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2020-10-29 09:41:54,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-29 09:41:54,295 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:41:54,296 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:41:54,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 09:41:54,296 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:41:54,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:41:54,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1528583743, now seen corresponding path program 9 times [2020-10-29 09:41:54,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:41:54,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [98185061] [2020-10-29 09:41:54,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:41:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:54,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:54,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:54,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-29 09:41:54,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:54,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 369 [2020-10-29 09:41:54,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:54,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:54,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 09:41:54,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:41:54,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-29 09:41:54,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:54,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:41:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:54,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:54,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:54,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:41:54,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:54,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:41:54,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:54,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:54,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:41:54,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:54,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:41:54,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:54,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 09:41:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:54,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:54,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:54,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:54,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:54,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:41:54,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:54,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:54,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:54,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:54,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:54,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:54,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 09:41:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:54,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:54,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:54,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:54,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:54,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:41:54,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:54,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:54,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:54,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:54,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:54,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:54,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 09:41:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:54,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:54,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:54,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:54,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:54,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:41:54,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:54,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:54,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:54,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:54,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:54,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:54,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 09:41:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:54,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:54,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:54,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:54,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:54,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:41:54,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:54,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:54,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:54,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:54,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:54,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:54,911 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 23 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-29 09:41:54,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [98185061] [2020-10-29 09:41:54,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:41:54,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-29 09:41:54,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719670954] [2020-10-29 09:41:54,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-29 09:41:54,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:41:54,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-29 09:41:54,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2020-10-29 09:41:54,914 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand 16 states. [2020-10-29 09:41:55,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:41:55,681 INFO L93 Difference]: Finished difference Result 68 states and 70 transitions. [2020-10-29 09:41:55,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 09:41:55,682 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 50 [2020-10-29 09:41:55,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:41:55,683 INFO L225 Difference]: With dead ends: 68 [2020-10-29 09:41:55,683 INFO L226 Difference]: Without dead ends: 64 [2020-10-29 09:41:55,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=223, Invalid=647, Unknown=0, NotChecked=0, Total=870 [2020-10-29 09:41:55,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-29 09:41:55,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2020-10-29 09:41:55,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-29 09:41:55,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2020-10-29 09:41:55,696 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 50 [2020-10-29 09:41:55,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:41:55,697 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2020-10-29 09:41:55,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-29 09:41:55,697 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2020-10-29 09:41:55,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-29 09:41:55,698 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:41:55,698 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:41:55,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 09:41:55,698 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:41:55,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:41:55,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1104333844, now seen corresponding path program 10 times [2020-10-29 09:41:55,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:41:55,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [736564916] [2020-10-29 09:41:55,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:41:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:55,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:56,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:56,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 09:41:56,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:56,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 379 [2020-10-29 09:41:56,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:56,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:56,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 09:41:56,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:41:56,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 09:41:56,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:56,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:41:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:56,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:56,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:56,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:41:56,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:56,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:41:56,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:56,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:56,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:41:56,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:56,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:41:56,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:56,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 09:41:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:56,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:56,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:56,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:56,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:56,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:41:56,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:56,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:56,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:56,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:56,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:56,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:56,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 09:41:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:56,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:56,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:56,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:56,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:56,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:41:56,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:56,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:56,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:56,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:56,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:56,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:56,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 09:41:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:56,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:56,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:56,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:56,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:56,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:41:56,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:56,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:56,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:56,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:56,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:56,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:56,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 09:41:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:56,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:56,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:56,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:56,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:56,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:41:56,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:56,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:56,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:56,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:56,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:56,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:56,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-29 09:41:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:56,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:56,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:56,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:56,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:56,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:41:56,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:56,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:56,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:56,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:56,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:56,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:56,476 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 40 proven. 31 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-29 09:41:56,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [736564916] [2020-10-29 09:41:56,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:41:56,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-29 09:41:56,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890199130] [2020-10-29 09:41:56,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-29 09:41:56,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:41:56,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-29 09:41:56,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2020-10-29 09:41:56,479 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 19 states. [2020-10-29 09:41:57,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:41:57,598 INFO L93 Difference]: Finished difference Result 88 states and 95 transitions. [2020-10-29 09:41:57,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 09:41:57,598 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 57 [2020-10-29 09:41:57,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:41:57,600 INFO L225 Difference]: With dead ends: 88 [2020-10-29 09:41:57,600 INFO L226 Difference]: Without dead ends: 61 [2020-10-29 09:41:57,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=189, Invalid=1071, Unknown=0, NotChecked=0, Total=1260 [2020-10-29 09:41:57,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-10-29 09:41:57,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2020-10-29 09:41:57,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-10-29 09:41:57,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 62 transitions. [2020-10-29 09:41:57,617 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 62 transitions. Word has length 57 [2020-10-29 09:41:57,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:41:57,617 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 62 transitions. [2020-10-29 09:41:57,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-29 09:41:57,617 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2020-10-29 09:41:57,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-29 09:41:57,618 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:41:57,618 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:41:57,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 09:41:57,619 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:41:57,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:41:57,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1832840990, now seen corresponding path program 11 times [2020-10-29 09:41:57,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:41:57,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1274612790] [2020-10-29 09:41:57,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:41:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:57,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:57,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:57,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 09:41:57,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:57,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 351 [2020-10-29 09:41:57,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:57,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:57,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 09:41:57,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:41:57,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 09:41:57,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:58,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:41:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:58,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:58,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:58,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:41:58,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:58,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:41:58,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:58,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:58,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:41:58,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:58,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:41:58,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:58,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 09:41:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:58,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:58,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:58,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:58,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:58,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:41:58,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:58,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:58,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:58,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:58,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:58,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:58,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 09:41:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:58,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:58,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:58,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:58,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:58,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:41:58,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:58,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:58,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:58,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:58,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:58,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:58,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:41:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:58,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:58,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:58,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:58,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:58,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:41:58,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:58,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:58,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:58,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:58,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:58,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:58,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 09:41:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:58,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:58,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:58,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:58,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:58,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:41:58,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:58,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:58,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:58,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:58,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:58,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:58,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 09:41:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:58,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:58,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:58,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:41:58,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:58,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:41:58,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:58,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:58,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:41:58,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:41:58,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:41:58,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:41:58,243 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 31 proven. 47 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-29 09:41:58,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1274612790] [2020-10-29 09:41:58,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:41:58,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-29 09:41:58,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881396945] [2020-10-29 09:41:58,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-29 09:41:58,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:41:58,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-29 09:41:58,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2020-10-29 09:41:58,246 INFO L87 Difference]: Start difference. First operand 61 states and 62 transitions. Second operand 18 states. [2020-10-29 09:41:59,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:41:59,154 INFO L93 Difference]: Finished difference Result 76 states and 78 transitions. [2020-10-29 09:41:59,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 09:41:59,155 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 58 [2020-10-29 09:41:59,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:41:59,156 INFO L225 Difference]: With dead ends: 76 [2020-10-29 09:41:59,156 INFO L226 Difference]: Without dead ends: 72 [2020-10-29 09:41:59,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=292, Invalid=830, Unknown=0, NotChecked=0, Total=1122 [2020-10-29 09:41:59,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-29 09:41:59,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2020-10-29 09:41:59,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-29 09:41:59,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2020-10-29 09:41:59,170 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 58 [2020-10-29 09:41:59,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:41:59,171 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2020-10-29 09:41:59,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-29 09:41:59,171 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2020-10-29 09:41:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-29 09:41:59,172 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:41:59,172 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:41:59,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 09:41:59,172 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:41:59,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:41:59,173 INFO L82 PathProgramCache]: Analyzing trace with hash 356207189, now seen corresponding path program 12 times [2020-10-29 09:41:59,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:41:59,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2001118164] [2020-10-29 09:41:59,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:41:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:41:59,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:41:59,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:41:59,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-29 09:41:59,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:41:59,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 469 [2020-10-29 09:41:59,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:41:59,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:41:59,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-29 09:41:59,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:41:59,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 09:41:59,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:00,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:42:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:00,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:00,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:00,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:42:00,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:00,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:00,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:00,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:00,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:42:00,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:00,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:42:00,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:00,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 09:42:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:00,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:00,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:00,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:00,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:00,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:42:00,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:00,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:00,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:00,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:00,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:00,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:00,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 09:42:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:00,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:00,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:00,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:00,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:00,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:42:00,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:00,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:00,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:00,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:00,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:00,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:00,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:42:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:00,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:00,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:00,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:00,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:00,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:00,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:00,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:00,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:00,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:00,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:00,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:00,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 09:42:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:00,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:00,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:00,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:00,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:00,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:42:00,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:00,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:00,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:00,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:00,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:00,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:00,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 09:42:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:00,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:00,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:00,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:00,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:00,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:42:00,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:00,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:00,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:00,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:00,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:00,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:00,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 09:42:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:00,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:00,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:00,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:00,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:00,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:42:00,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:00,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:00,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:00,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:00,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:00,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:00,128 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 63 proven. 34 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-29 09:42:00,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2001118164] [2020-10-29 09:42:00,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:42:00,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-29 09:42:00,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084717273] [2020-10-29 09:42:00,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-29 09:42:00,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:42:00,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-29 09:42:00,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2020-10-29 09:42:00,131 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand 21 states. [2020-10-29 09:42:01,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:42:01,543 INFO L93 Difference]: Finished difference Result 112 states and 120 transitions. [2020-10-29 09:42:01,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-29 09:42:01,544 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 65 [2020-10-29 09:42:01,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:42:01,546 INFO L225 Difference]: With dead ends: 112 [2020-10-29 09:42:01,546 INFO L226 Difference]: Without dead ends: 78 [2020-10-29 09:42:01,547 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=207, Invalid=1433, Unknown=0, NotChecked=0, Total=1640 [2020-10-29 09:42:01,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-29 09:42:01,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 69. [2020-10-29 09:42:01,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-29 09:42:01,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2020-10-29 09:42:01,560 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 65 [2020-10-29 09:42:01,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:42:01,561 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2020-10-29 09:42:01,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-29 09:42:01,561 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2020-10-29 09:42:01,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-29 09:42:01,562 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:42:01,562 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:42:01,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-29 09:42:01,562 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:42:01,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:42:01,563 INFO L82 PathProgramCache]: Analyzing trace with hash 981517151, now seen corresponding path program 13 times [2020-10-29 09:42:01,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:42:01,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [231841563] [2020-10-29 09:42:01,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:42:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:01,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:02,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:02,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-29 09:42:02,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:02,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 426 [2020-10-29 09:42:02,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:02,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:02,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-29 09:42:02,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:42:02,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-29 09:42:02,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:02,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:42:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:02,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:02,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:02,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:42:02,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:02,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:02,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:02,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:02,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:42:02,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:02,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:42:02,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:02,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 09:42:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:02,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:02,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:02,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:02,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:02,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:02,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:02,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:02,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:02,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:02,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:02,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:02,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 09:42:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:02,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:02,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:02,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:02,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:02,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:02,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:02,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:02,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:02,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:02,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:02,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:02,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 09:42:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:02,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:02,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:02,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:02,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:02,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:02,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:02,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:02,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:02,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 09:42:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:02,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:02,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:02,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:02,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:02,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:02,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:02,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:02,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:02,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:02,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:02,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:02,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 09:42:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:02,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:02,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:02,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:02,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:02,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:02,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:02,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:02,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:02,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:02,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:02,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:02,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 09:42:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:02,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:02,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:02,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:02,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:02,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:02,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:02,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:02,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:02,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:02,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:02,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 33 proven. 72 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-29 09:42:02,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [231841563] [2020-10-29 09:42:02,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:42:02,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-29 09:42:02,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062710254] [2020-10-29 09:42:02,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-29 09:42:02,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:42:02,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-29 09:42:02,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2020-10-29 09:42:02,327 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand 20 states. [2020-10-29 09:42:03,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:42:03,348 INFO L93 Difference]: Finished difference Result 81 states and 82 transitions. [2020-10-29 09:42:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-29 09:42:03,349 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 66 [2020-10-29 09:42:03,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:42:03,350 INFO L225 Difference]: With dead ends: 81 [2020-10-29 09:42:03,350 INFO L226 Difference]: Without dead ends: 77 [2020-10-29 09:42:03,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=336, Invalid=1070, Unknown=0, NotChecked=0, Total=1406 [2020-10-29 09:42:03,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-29 09:42:03,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2020-10-29 09:42:03,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-29 09:42:03,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 77 transitions. [2020-10-29 09:42:03,371 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 77 transitions. Word has length 66 [2020-10-29 09:42:03,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:42:03,373 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 77 transitions. [2020-10-29 09:42:03,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-29 09:42:03,373 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 77 transitions. [2020-10-29 09:42:03,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-29 09:42:03,374 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:42:03,374 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:42:03,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-29 09:42:03,374 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:42:03,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:42:03,375 INFO L82 PathProgramCache]: Analyzing trace with hash -433104140, now seen corresponding path program 14 times [2020-10-29 09:42:03,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:42:03,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1051471572] [2020-10-29 09:42:03,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:42:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:03,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:04,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:04,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 09:42:04,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:04,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 623 [2020-10-29 09:42:04,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:04,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:04,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 09:42:04,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:42:04,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-29 09:42:04,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:04,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:42:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:04,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:04,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:04,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:42:04,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:04,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:04,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:04,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:04,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:42:04,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:04,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:42:04,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:04,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 09:42:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:04,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:04,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:04,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:04,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:04,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:04,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:04,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:04,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:04,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:04,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:04,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:04,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 09:42:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:04,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:04,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:04,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:04,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:04,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:04,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:04,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:04,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:04,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:04,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:04,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:04,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 09:42:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:04,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:04,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:04,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:04,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:04,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:04,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:04,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:04,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:04,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:04,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:04,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:04,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 09:42:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:04,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:04,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:04,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:04,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:04,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:04,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:04,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:04,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:04,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:04,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:04,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:04,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 09:42:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:04,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:04,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:04,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:04,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:04,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:04,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:04,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:04,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:04,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:04,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:04,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:04,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 09:42:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:04,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:04,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:04,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:04,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:04,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:04,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:04,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:04,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:04,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:04,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:04,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:04,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 09:42:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:04,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:04,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:04,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:04,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:04,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:42:04,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:04,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:04,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:04,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:04,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:04,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:04,584 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 84 proven. 43 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-29 09:42:04,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1051471572] [2020-10-29 09:42:04,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:42:04,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-29 09:42:04,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586764657] [2020-10-29 09:42:04,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-29 09:42:04,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:42:04,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-29 09:42:04,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2020-10-29 09:42:04,586 INFO L87 Difference]: Start difference. First operand 76 states and 77 transitions. Second operand 23 states. [2020-10-29 09:42:05,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:42:05,970 INFO L93 Difference]: Finished difference Result 110 states and 119 transitions. [2020-10-29 09:42:05,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-29 09:42:05,971 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 73 [2020-10-29 09:42:05,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:42:05,972 INFO L225 Difference]: With dead ends: 110 [2020-10-29 09:42:05,972 INFO L226 Difference]: Without dead ends: 77 [2020-10-29 09:42:05,976 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=284, Invalid=1522, Unknown=0, NotChecked=0, Total=1806 [2020-10-29 09:42:05,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-29 09:42:05,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-10-29 09:42:05,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-29 09:42:06,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 78 transitions. [2020-10-29 09:42:06,003 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 78 transitions. Word has length 73 [2020-10-29 09:42:06,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:42:06,004 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 78 transitions. [2020-10-29 09:42:06,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-29 09:42:06,004 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2020-10-29 09:42:06,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-29 09:42:06,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:42:06,005 INFO L422 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:42:06,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-29 09:42:06,005 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:42:06,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:42:06,006 INFO L82 PathProgramCache]: Analyzing trace with hash 429402622, now seen corresponding path program 15 times [2020-10-29 09:42:06,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:42:06,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [518690209] [2020-10-29 09:42:06,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:42:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:06,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:06,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:06,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-29 09:42:06,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:06,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 501 [2020-10-29 09:42:06,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:06,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:06,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-29 09:42:06,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:42:06,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 09:42:06,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:06,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:42:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:06,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:06,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:06,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:42:06,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:06,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:06,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:06,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:06,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:42:06,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:06,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:42:06,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:42:06,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 09:42:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:06,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:06,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:06,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:06,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:06,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:06,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:06,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:06,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:06,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:06,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:06,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:42:06,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-29 09:42:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:06,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:06,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:06,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:06,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:06,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:06,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:06,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:06,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:06,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:06,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:06,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:42:06,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 09:42:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:06,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:06,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:06,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:06,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:06,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:06,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:06,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:06,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:06,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:06,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:06,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:42:06,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 09:42:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:06,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:06,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:06,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:06,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:06,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:06,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:06,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:06,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:06,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:06,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:06,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:42:06,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 09:42:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:06,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:06,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:06,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:06,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:06,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:42:06,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:06,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:06,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:06,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:06,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:06,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:06,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 09:42:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:07,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:07,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:07,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:07,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:07,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:07,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:07,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:07,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:07,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:07,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:07,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:07,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 09:42:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:07,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:07,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:07,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:07,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:07,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:07,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:07,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:07,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:07,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:07,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:07,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:42:07,031 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 50 proven. 86 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-29 09:42:07,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [518690209] [2020-10-29 09:42:07,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:42:07,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-29 09:42:07,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825360833] [2020-10-29 09:42:07,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-29 09:42:07,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:42:07,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-29 09:42:07,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2020-10-29 09:42:07,034 INFO L87 Difference]: Start difference. First operand 77 states and 78 transitions. Second operand 22 states. [2020-10-29 09:42:08,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:42:08,183 INFO L93 Difference]: Finished difference Result 92 states and 94 transitions. [2020-10-29 09:42:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-29 09:42:08,184 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 74 [2020-10-29 09:42:08,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:42:08,185 INFO L225 Difference]: With dead ends: 92 [2020-10-29 09:42:08,185 INFO L226 Difference]: Without dead ends: 88 [2020-10-29 09:42:08,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=460, Invalid=1262, Unknown=0, NotChecked=0, Total=1722 [2020-10-29 09:42:08,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-29 09:42:08,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2020-10-29 09:42:08,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-29 09:42:08,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 85 transitions. [2020-10-29 09:42:08,200 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 85 transitions. Word has length 74 [2020-10-29 09:42:08,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:42:08,201 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 85 transitions. [2020-10-29 09:42:08,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-29 09:42:08,201 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 85 transitions. [2020-10-29 09:42:08,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-29 09:42:08,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:42:08,202 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:42:08,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-29 09:42:08,202 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:42:08,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:42:08,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1811157877, now seen corresponding path program 16 times [2020-10-29 09:42:08,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:42:08,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1035844515] [2020-10-29 09:42:08,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:42:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:08,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:08,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:08,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-29 09:42:08,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:08,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 701 [2020-10-29 09:42:08,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:08,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:08,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-29 09:42:08,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:42:08,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-29 09:42:08,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:09,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:42:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:09,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:09,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:09,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:42:09,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:09,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:09,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:09,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:42:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:42:09,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:09,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 09:42:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:09,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:09,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:09,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:09,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:09,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:09,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:09,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:09,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:09,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:09,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:09,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:09,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-29 09:42:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:09,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:09,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:09,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:09,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:09,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:42:09,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:09,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:09,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:09,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:09,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:09,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:09,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 09:42:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:09,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:09,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:09,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:09,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:09,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:42:09,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:09,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:09,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:09,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:09,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:09,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:09,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 09:42:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:09,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:09,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:09,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:09,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:09,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 09:42:09,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:09,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:09,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:09,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:09,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:09,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:09,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 09:42:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:09,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:09,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:09,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:09,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:09,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:09,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:09,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:09,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:09,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:09,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:09,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:09,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 09:42:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:09,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:09,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:09,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:09,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:09,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:09,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:09,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:09,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:09,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:09,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:09,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:09,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 09:42:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:09,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:09,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:09,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:09,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:09,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 09:42:09,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:09,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:09,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:09,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:09,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:09,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:09,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 09:42:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:09,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:09,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:09,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:09,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:09,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:42:09,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:09,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:09,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:09,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:09,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:09,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:09,468 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 108 proven. 53 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-29 09:42:09,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1035844515] [2020-10-29 09:42:09,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:42:09,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-29 09:42:09,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62315926] [2020-10-29 09:42:09,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-29 09:42:09,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:42:09,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-29 09:42:09,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2020-10-29 09:42:09,471 INFO L87 Difference]: Start difference. First operand 84 states and 85 transitions. Second operand 25 states. [2020-10-29 09:42:10,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:42:10,831 INFO L93 Difference]: Finished difference Result 121 states and 131 transitions. [2020-10-29 09:42:10,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-29 09:42:10,832 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 81 [2020-10-29 09:42:10,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:42:10,834 INFO L225 Difference]: With dead ends: 121 [2020-10-29 09:42:10,834 INFO L226 Difference]: Without dead ends: 85 [2020-10-29 09:42:10,836 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 466 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=391, Invalid=1771, Unknown=0, NotChecked=0, Total=2162 [2020-10-29 09:42:10,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-10-29 09:42:10,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-10-29 09:42:10,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-10-29 09:42:10,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 86 transitions. [2020-10-29 09:42:10,849 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 86 transitions. Word has length 81 [2020-10-29 09:42:10,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:42:10,849 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 86 transitions. [2020-10-29 09:42:10,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-29 09:42:10,850 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 86 transitions. [2020-10-29 09:42:10,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-29 09:42:10,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:42:10,851 INFO L422 BasicCegarLoop]: trace histogram [10, 9, 9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:42:10,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-29 09:42:10,851 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:42:10,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:42:10,851 INFO L82 PathProgramCache]: Analyzing trace with hash -674613121, now seen corresponding path program 17 times [2020-10-29 09:42:10,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:42:10,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [627192995] [2020-10-29 09:42:10,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:42:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:10,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:11,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:11,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 09:42:11,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:11,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 612 [2020-10-29 09:42:11,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:11,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:11,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-29 09:42:11,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:42:11,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-29 09:42:11,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:11,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:42:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:11,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:11,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:11,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:42:11,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:11,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:42:11,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:11,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:11,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:42:11,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:11,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:42:11,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:11,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 09:42:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:11,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:11,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:11,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:11,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:11,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 09:42:11,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:11,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:11,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:11,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:11,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:11,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:11,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 09:42:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:11,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:11,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:11,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:11,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:11,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:42:11,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:11,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:11,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:11,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:11,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:11,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:11,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 09:42:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:11,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:11,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:11,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:11,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:11,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:11,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:11,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:11,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:11,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:11,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:11,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:11,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 09:42:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:11,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:11,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:11,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:11,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:11,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:11,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:11,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:11,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:11,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:11,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:11,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:11,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 09:42:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:11,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:11,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:11,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:11,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:11,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:11,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:11,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:11,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:11,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:11,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:11,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:11,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 09:42:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:11,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:11,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:11,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:11,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:11,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:11,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:11,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:11,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:11,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:11,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:11,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:11,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-29 09:42:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:11,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:11,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:11,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:11,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:11,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:42:11,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:11,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:11,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:11,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:11,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:11,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:11,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 09:42:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:11,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:11,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:11,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:11,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:11,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:11,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:11,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:11,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:11,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:11,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:11,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:11,969 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 61 proven. 110 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-29 09:42:11,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [627192995] [2020-10-29 09:42:11,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:42:11,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-29 09:42:11,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297745117] [2020-10-29 09:42:11,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-29 09:42:11,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:42:11,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-29 09:42:11,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2020-10-29 09:42:11,972 INFO L87 Difference]: Start difference. First operand 85 states and 86 transitions. Second operand 24 states. [2020-10-29 09:42:13,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:42:13,254 INFO L93 Difference]: Finished difference Result 100 states and 102 transitions. [2020-10-29 09:42:13,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-29 09:42:13,259 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 82 [2020-10-29 09:42:13,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:42:13,260 INFO L225 Difference]: With dead ends: 100 [2020-10-29 09:42:13,260 INFO L226 Difference]: Without dead ends: 96 [2020-10-29 09:42:13,261 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=554, Invalid=1426, Unknown=0, NotChecked=0, Total=1980 [2020-10-29 09:42:13,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-10-29 09:42:13,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 92. [2020-10-29 09:42:13,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-29 09:42:13,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 93 transitions. [2020-10-29 09:42:13,276 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 93 transitions. Word has length 82 [2020-10-29 09:42:13,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:42:13,277 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 93 transitions. [2020-10-29 09:42:13,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-29 09:42:13,277 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 93 transitions. [2020-10-29 09:42:13,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-29 09:42:13,278 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:42:13,278 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:42:13,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-29 09:42:13,278 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:42:13,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:42:13,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1517150676, now seen corresponding path program 18 times [2020-10-29 09:42:13,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:42:13,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [100446372] [2020-10-29 09:42:13,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:42:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:13,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:14,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:14,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 09:42:14,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:14,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 721 [2020-10-29 09:42:14,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:14,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:14,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-29 09:42:14,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:42:14,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-29 09:42:14,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:14,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:42:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:14,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:14,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:14,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:42:14,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:14,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:14,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:14,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:14,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:42:14,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:14,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:42:14,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:14,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 09:42:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:14,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:14,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:14,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:14,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:14,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:14,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:14,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:14,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:14,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:14,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:14,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:14,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 09:42:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:14,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:14,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:14,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:14,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:14,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:14,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:14,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:14,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:14,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:14,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:14,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:14,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 09:42:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:14,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:14,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:14,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:14,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:14,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:14,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:14,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:14,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:14,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:14,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:14,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:14,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 09:42:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:14,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:14,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:14,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:14,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:14,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:14,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:14,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:14,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:14,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:14,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:14,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:14,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 09:42:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:14,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:14,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:14,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:14,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:14,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:14,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:14,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:14,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:14,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:14,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:14,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:14,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 09:42:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:14,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:14,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:14,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:14,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:14,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:14,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:14,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:14,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:14,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:14,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:14,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:14,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-29 09:42:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:14,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:14,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:14,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:14,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:14,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:14,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:14,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:14,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:14,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:14,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:14,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:14,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 09:42:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:14,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:14,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:14,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:14,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:14,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:14,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:14,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:14,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:14,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:14,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:14,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:14,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 09:42:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:14,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:14,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:14,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:14,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:14,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:14,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:14,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:14,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:14,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:14,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:14,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:14,656 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 135 proven. 64 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-29 09:42:14,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [100446372] [2020-10-29 09:42:14,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:42:14,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-29 09:42:14,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410481306] [2020-10-29 09:42:14,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-29 09:42:14,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:42:14,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-29 09:42:14,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=561, Unknown=0, NotChecked=0, Total=702 [2020-10-29 09:42:14,659 INFO L87 Difference]: Start difference. First operand 92 states and 93 transitions. Second operand 27 states. [2020-10-29 09:42:16,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:42:16,572 INFO L93 Difference]: Finished difference Result 132 states and 143 transitions. [2020-10-29 09:42:16,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-29 09:42:16,573 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 89 [2020-10-29 09:42:16,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:42:16,575 INFO L225 Difference]: With dead ends: 132 [2020-10-29 09:42:16,575 INFO L226 Difference]: Without dead ends: 93 [2020-10-29 09:42:16,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=436, Invalid=2216, Unknown=0, NotChecked=0, Total=2652 [2020-10-29 09:42:16,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-29 09:42:16,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-10-29 09:42:16,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-29 09:42:16,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 94 transitions. [2020-10-29 09:42:16,594 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 94 transitions. Word has length 89 [2020-10-29 09:42:16,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:42:16,594 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 94 transitions. [2020-10-29 09:42:16,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-29 09:42:16,594 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 94 transitions. [2020-10-29 09:42:16,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-29 09:42:16,595 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:42:16,595 INFO L422 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:42:16,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-29 09:42:16,596 INFO L429 AbstractCegarLoop]: === Iteration 24 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:42:16,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:42:16,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1056660702, now seen corresponding path program 19 times [2020-10-29 09:42:16,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:42:16,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1847549111] [2020-10-29 09:42:16,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:42:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:16,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:17,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:17,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-29 09:42:17,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:17,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 761 [2020-10-29 09:42:17,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:17,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-29 09:42:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:42:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-29 09:42:17,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:17,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:42:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:17,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:17,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:17,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:42:17,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:17,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:17,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:17,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:17,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:42:17,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:17,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:42:17,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:17,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-29 09:42:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:17,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:17,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:17,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:17,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:17,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:17,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:17,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:17,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:17,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:17,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:17,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:17,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 09:42:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:17,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:17,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:17,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:17,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:17,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:17,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:17,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:17,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:17,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:17,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:17,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:17,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 09:42:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:17,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:17,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:17,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:17,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:17,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:17,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:17,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:17,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:17,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:17,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:17,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:17,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 09:42:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:17,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:17,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:17,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:17,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:17,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:17,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:17,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:17,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:17,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:17,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:17,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:17,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 09:42:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:17,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:17,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:17,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:17,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:17,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:17,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:17,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:17,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:17,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:17,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:17,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:17,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-29 09:42:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:17,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:17,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:17,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:17,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:17,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:17,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:17,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:17,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:17,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:17,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:17,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:17,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 09:42:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:17,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:17,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:17,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:17,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:17,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:17,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:17,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:17,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:17,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:17,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:17,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:17,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-29 09:42:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:17,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:17,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:17,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:17,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:17,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:17,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:17,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:17,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:17,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:17,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:17,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:17,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 09:42:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:17,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:17,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:17,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:17,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:17,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:17,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:17,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:17,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:17,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:17,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:17,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:17,889 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 63 proven. 147 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-29 09:42:17,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1847549111] [2020-10-29 09:42:17,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:42:17,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-29 09:42:17,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674999630] [2020-10-29 09:42:17,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-29 09:42:17,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:42:17,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-29 09:42:17,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=511, Unknown=0, NotChecked=0, Total=650 [2020-10-29 09:42:17,891 INFO L87 Difference]: Start difference. First operand 93 states and 94 transitions. Second operand 26 states. [2020-10-29 09:42:19,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:42:19,362 INFO L93 Difference]: Finished difference Result 105 states and 106 transitions. [2020-10-29 09:42:19,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-29 09:42:19,363 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 90 [2020-10-29 09:42:19,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:42:19,364 INFO L225 Difference]: With dead ends: 105 [2020-10-29 09:42:19,364 INFO L226 Difference]: Without dead ends: 101 [2020-10-29 09:42:19,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=618, Invalid=1832, Unknown=0, NotChecked=0, Total=2450 [2020-10-29 09:42:19,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-29 09:42:19,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 100. [2020-10-29 09:42:19,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-29 09:42:19,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 101 transitions. [2020-10-29 09:42:19,386 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 101 transitions. Word has length 90 [2020-10-29 09:42:19,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:42:19,386 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 101 transitions. [2020-10-29 09:42:19,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-29 09:42:19,387 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 101 transitions. [2020-10-29 09:42:19,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-29 09:42:19,388 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:42:19,388 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:42:19,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-29 09:42:19,390 INFO L429 AbstractCegarLoop]: === Iteration 25 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:42:19,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:42:19,390 INFO L82 PathProgramCache]: Analyzing trace with hash -520362859, now seen corresponding path program 20 times [2020-10-29 09:42:19,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:42:19,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376813300] [2020-10-29 09:42:19,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:42:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:19,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:20,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:20,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 09:42:20,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:20,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 827 [2020-10-29 09:42:20,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:20,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:20,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 09:42:20,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:42:20,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 09:42:20,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:20,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:42:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:20,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:20,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:20,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:42:20,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:20,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:20,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:20,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:20,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:42:20,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:20,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:42:20,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:20,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-29 09:42:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:20,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:20,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:20,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:20,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:20,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:20,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:20,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:20,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:20,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:20,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:20,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:20,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 09:42:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:20,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:20,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:20,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:20,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:20,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:20,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:20,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:20,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:20,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:20,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:20,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:20,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 09:42:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:20,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:20,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:20,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:20,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:20,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:20,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:20,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:20,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:20,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:20,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:20,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:20,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 09:42:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:20,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:20,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:20,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:20,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:20,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:20,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:20,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:20,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:20,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:20,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:20,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:20,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 09:42:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:20,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:20,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:20,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:20,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:20,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:20,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:20,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:20,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:20,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:20,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:20,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:20,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-29 09:42:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:20,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:20,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:20,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:20,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:20,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:20,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:20,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:20,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:20,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:20,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:20,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:42:20,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 09:42:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:20,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:20,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:20,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:20,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:20,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:20,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:20,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:20,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:20,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:20,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:20,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:20,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-29 09:42:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:20,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:20,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:20,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:20,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:20,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 09:42:20,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:20,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:20,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:20,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:20,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:20,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:20,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 09:42:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:20,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:20,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:20,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:20,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:20,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:20,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:20,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:20,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:20,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:20,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:20,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:20,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 09:42:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:20,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:20,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:20,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:20,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:20,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:20,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:20,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:20,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:20,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:20,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:20,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:21,021 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 165 proven. 76 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-29 09:42:21,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376813300] [2020-10-29 09:42:21,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:42:21,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-29 09:42:21,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950752893] [2020-10-29 09:42:21,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-29 09:42:21,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:42:21,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-29 09:42:21,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=671, Unknown=0, NotChecked=0, Total=812 [2020-10-29 09:42:21,024 INFO L87 Difference]: Start difference. First operand 100 states and 101 transitions. Second operand 29 states. [2020-10-29 09:42:22,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:42:22,946 INFO L93 Difference]: Finished difference Result 143 states and 155 transitions. [2020-10-29 09:42:22,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-29 09:42:22,947 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 97 [2020-10-29 09:42:22,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:42:22,949 INFO L225 Difference]: With dead ends: 143 [2020-10-29 09:42:22,949 INFO L226 Difference]: Without dead ends: 101 [2020-10-29 09:42:22,951 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=431, Invalid=2539, Unknown=0, NotChecked=0, Total=2970 [2020-10-29 09:42:22,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-29 09:42:22,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-10-29 09:42:22,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-29 09:42:22,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 102 transitions. [2020-10-29 09:42:22,966 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 102 transitions. Word has length 97 [2020-10-29 09:42:22,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:42:22,966 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 102 transitions. [2020-10-29 09:42:22,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-29 09:42:22,967 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 102 transitions. [2020-10-29 09:42:22,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-29 09:42:22,968 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:42:22,968 INFO L422 BasicCegarLoop]: trace histogram [12, 11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:42:22,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-29 09:42:22,968 INFO L429 AbstractCegarLoop]: === Iteration 26 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:42:22,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:42:22,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1802848865, now seen corresponding path program 21 times [2020-10-29 09:42:22,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:42:22,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1526035543] [2020-10-29 09:42:22,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:42:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:22,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:23,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:23,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-29 09:42:23,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:23,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 759 [2020-10-29 09:42:23,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:23,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:23,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-29 09:42:23,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:42:23,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 09:42:23,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:24,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:42:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:24,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:24,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:24,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:42:24,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:24,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:24,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:24,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:24,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:42:24,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:24,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:42:24,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:24,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 09:42:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:24,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:24,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:24,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:24,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:24,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:24,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:24,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:24,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:24,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:24,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:24,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:24,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-29 09:42:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:24,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:24,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:24,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:24,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:24,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:24,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:24,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:24,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:24,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:24,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:24,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:24,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 09:42:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:24,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:24,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:24,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:24,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:24,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:24,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:24,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:24,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:24,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:24,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:24,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:24,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 09:42:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:24,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:24,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:24,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:24,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:24,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:24,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:24,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:24,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:24,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:24,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:24,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:24,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 09:42:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:24,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:24,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:24,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:24,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:24,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:24,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:24,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:24,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:24,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:24,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:24,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:24,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 09:42:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:24,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:24,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:24,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:24,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:24,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:24,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:24,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:24,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:24,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:24,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:24,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:24,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 09:42:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:24,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:24,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:24,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:24,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:24,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:24,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:24,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:24,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:24,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:24,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:24,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:24,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 09:42:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:24,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:24,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:24,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:24,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:24,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:24,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:24,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:24,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:24,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:24,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:24,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:24,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 09:42:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:24,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:24,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:24,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:24,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:24,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:24,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:24,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:24,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:24,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 09:42:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:24,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:24,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:24,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:24,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:24,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:24,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:24,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:24,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:24,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:24,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:24,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:24,422 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 65 proven. 188 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-29 09:42:24,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1526035543] [2020-10-29 09:42:24,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:42:24,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-29 09:42:24,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329760948] [2020-10-29 09:42:24,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-29 09:42:24,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:42:24,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-29 09:42:24,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=603, Unknown=0, NotChecked=0, Total=756 [2020-10-29 09:42:24,425 INFO L87 Difference]: Start difference. First operand 101 states and 102 transitions. Second operand 28 states. [2020-10-29 09:42:26,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:42:26,014 INFO L93 Difference]: Finished difference Result 113 states and 114 transitions. [2020-10-29 09:42:26,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-29 09:42:26,015 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 98 [2020-10-29 09:42:26,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:42:26,016 INFO L225 Difference]: With dead ends: 113 [2020-10-29 09:42:26,016 INFO L226 Difference]: Without dead ends: 109 [2020-10-29 09:42:26,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=675, Invalid=2081, Unknown=0, NotChecked=0, Total=2756 [2020-10-29 09:42:26,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-29 09:42:26,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108. [2020-10-29 09:42:26,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-10-29 09:42:26,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 109 transitions. [2020-10-29 09:42:26,038 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 109 transitions. Word has length 98 [2020-10-29 09:42:26,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:42:26,038 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 109 transitions. [2020-10-29 09:42:26,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-29 09:42:26,038 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 109 transitions. [2020-10-29 09:42:26,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-29 09:42:26,040 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:42:26,040 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:42:26,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-29 09:42:26,040 INFO L429 AbstractCegarLoop]: === Iteration 27 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:42:26,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:42:26,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1262722892, now seen corresponding path program 22 times [2020-10-29 09:42:26,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:42:26,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1921669015] [2020-10-29 09:42:26,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:42:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:26,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:27,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:27,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-29 09:42:27,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:27,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 948 [2020-10-29 09:42:27,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:27,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 09:42:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:42:27,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-29 09:42:27,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:27,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:42:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:27,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:27,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:27,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:42:27,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:27,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:27,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:27,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:27,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:42:27,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:27,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:42:27,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:27,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 09:42:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:27,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:27,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:27,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:27,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:27,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:27,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:27,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:27,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:27,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:27,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:27,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:27,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-29 09:42:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:27,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:27,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:27,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:27,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:27,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:27,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:27,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:27,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:27,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:27,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:27,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:27,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 09:42:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:27,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:27,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:27,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:27,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:27,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:27,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:27,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:27,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:27,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:27,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 09:42:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:27,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:27,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:27,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:27,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:27,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:27,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:27,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:27,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:27,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:27,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:27,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:27,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 09:42:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:27,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:27,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:27,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:27,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:27,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:27,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:27,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:27,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:27,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:27,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:27,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:27,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 09:42:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:27,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:27,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:27,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:27,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:27,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:27,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:27,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:27,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:27,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:27,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:27,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:27,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 09:42:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:27,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:27,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:27,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:27,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:27,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:27,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:27,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:27,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:27,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:27,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:27,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:27,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 09:42:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:27,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:27,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:27,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:27,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:27,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:27,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:27,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:27,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:27,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:27,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:27,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:27,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 09:42:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:27,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:27,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:27,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:27,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:27,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:27,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:27,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:27,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:27,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:27,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:27,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:27,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 09:42:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:27,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:27,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:27,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:27,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:27,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:27,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:27,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:27,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:27,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:27,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:27,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:27,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-29 09:42:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:27,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:27,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:27,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:27,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:27,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:27,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:27,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:27,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:27,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:27,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:27,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:27,780 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 198 proven. 89 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-29 09:42:27,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1921669015] [2020-10-29 09:42:27,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:42:27,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-29 09:42:27,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660435425] [2020-10-29 09:42:27,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-29 09:42:27,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:42:27,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-29 09:42:27,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=739, Unknown=0, NotChecked=0, Total=930 [2020-10-29 09:42:27,783 INFO L87 Difference]: Start difference. First operand 108 states and 109 transitions. Second operand 31 states. [2020-10-29 09:42:30,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:42:30,135 INFO L93 Difference]: Finished difference Result 154 states and 167 transitions. [2020-10-29 09:42:30,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-29 09:42:30,136 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 105 [2020-10-29 09:42:30,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:42:30,140 INFO L225 Difference]: With dead ends: 154 [2020-10-29 09:42:30,140 INFO L226 Difference]: Without dead ends: 109 [2020-10-29 09:42:30,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 788 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=588, Invalid=2952, Unknown=0, NotChecked=0, Total=3540 [2020-10-29 09:42:30,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-29 09:42:30,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-10-29 09:42:30,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-29 09:42:30,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 110 transitions. [2020-10-29 09:42:30,162 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 110 transitions. Word has length 105 [2020-10-29 09:42:30,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:42:30,162 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 110 transitions. [2020-10-29 09:42:30,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-29 09:42:30,163 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 110 transitions. [2020-10-29 09:42:30,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-29 09:42:30,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:42:30,164 INFO L422 BasicCegarLoop]: trace histogram [13, 12, 12, 12, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:42:30,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-29 09:42:30,164 INFO L429 AbstractCegarLoop]: === Iteration 28 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:42:30,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:42:30,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1550415938, now seen corresponding path program 23 times [2020-10-29 09:42:30,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:42:30,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1522315932] [2020-10-29 09:42:30,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:42:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:30,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:30,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:30,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-29 09:42:30,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:30,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 798 [2020-10-29 09:42:30,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:30,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:30,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-29 09:42:30,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:42:30,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-29 09:42:30,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:31,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:42:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:31,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:31,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:31,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:42:31,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:31,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:31,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:31,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:31,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:42:31,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:31,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:42:31,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:31,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 09:42:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:31,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:31,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:31,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:31,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:31,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 09:42:31,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:31,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:31,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:31,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:31,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:31,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:31,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 09:42:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:31,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:31,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:31,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:31,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:31,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:31,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:31,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:31,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:31,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:31,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:31,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:31,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 09:42:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:31,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:31,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:31,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:31,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:31,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:31,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:31,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:31,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:31,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:31,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:31,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:31,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-29 09:42:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:31,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:31,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:31,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:31,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:31,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:31,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:31,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:31,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:31,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:31,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:31,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:31,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 09:42:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:31,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:31,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:31,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:31,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:31,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:31,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:31,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:31,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:31,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:31,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:31,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:31,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-29 09:42:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:31,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:31,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:31,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:31,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:31,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:31,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:31,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:31,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:31,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:31,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:31,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:31,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 09:42:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:31,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:31,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:31,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:31,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:31,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:31,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:31,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:31,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:31,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:31,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:31,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:31,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 09:42:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:31,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:31,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:31,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:31,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:31,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:31,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:31,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:31,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:31,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:31,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:31,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:31,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 09:42:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:31,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:31,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:31,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:31,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:31,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:31,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:31,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:31,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:31,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:31,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:31,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:31,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-29 09:42:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:31,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:31,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:31,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:31,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:31,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:31,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:31,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:31,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:31,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:31,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:31,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:31,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 09:42:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:31,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:31,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:31,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:31,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:31,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:31,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:31,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:31,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:31,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:31,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:31,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:31,591 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 100 proven. 200 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-29 09:42:31,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1522315932] [2020-10-29 09:42:31,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:42:31,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-29 09:42:31,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575505202] [2020-10-29 09:42:31,592 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-29 09:42:31,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:42:31,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-29 09:42:31,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2020-10-29 09:42:31,593 INFO L87 Difference]: Start difference. First operand 109 states and 110 transitions. Second operand 30 states. [2020-10-29 09:42:33,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:42:33,496 INFO L93 Difference]: Finished difference Result 124 states and 126 transitions. [2020-10-29 09:42:33,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-29 09:42:33,497 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 106 [2020-10-29 09:42:33,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:42:33,499 INFO L225 Difference]: With dead ends: 124 [2020-10-29 09:42:33,499 INFO L226 Difference]: Without dead ends: 120 [2020-10-29 09:42:33,500 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 700 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=916, Invalid=2390, Unknown=0, NotChecked=0, Total=3306 [2020-10-29 09:42:33,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-29 09:42:33,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 116. [2020-10-29 09:42:33,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-29 09:42:33,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 117 transitions. [2020-10-29 09:42:33,516 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 117 transitions. Word has length 106 [2020-10-29 09:42:33,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:42:33,517 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 117 transitions. [2020-10-29 09:42:33,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-29 09:42:33,517 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 117 transitions. [2020-10-29 09:42:33,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-29 09:42:33,518 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:42:33,518 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:42:33,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-29 09:42:33,518 INFO L429 AbstractCegarLoop]: === Iteration 29 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:42:33,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:42:33,519 INFO L82 PathProgramCache]: Analyzing trace with hash -26952267, now seen corresponding path program 24 times [2020-10-29 09:42:33,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:42:33,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028708767] [2020-10-29 09:42:33,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:42:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:33,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:34,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:34,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-29 09:42:34,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:34,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1014 [2020-10-29 09:42:34,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:34,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:34,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-29 09:42:34,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:42:34,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-29 09:42:34,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:35,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:42:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:35,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:35,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:35,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:42:35,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:35,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:35,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:35,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:35,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:42:35,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:35,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:42:35,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:35,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 09:42:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:35,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:35,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:35,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:35,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:35,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:35,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:35,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:35,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:35,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:35,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:35,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:35,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 09:42:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:35,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:35,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:35,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:35,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:35,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:35,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:35,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:35,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:35,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:35,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 09:42:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:35,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:35,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:35,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:35,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:35,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:35,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:35,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:35,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:35,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:35,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:35,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:35,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-29 09:42:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:35,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:35,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:35,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:35,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:35,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:35,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:35,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:35,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:35,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:35,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:35,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:35,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 09:42:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:35,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:35,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:35,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:35,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:35,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:35,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:35,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:35,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:35,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:35,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:35,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:35,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-29 09:42:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:35,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:35,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:35,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:35,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:35,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:35,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:35,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:35,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:35,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:35,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:35,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:35,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 09:42:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:35,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:35,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:35,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:35,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:35,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:42:35,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:35,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:35,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:35,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:35,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:35,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:35,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 09:42:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:35,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:35,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:35,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:35,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:35,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:35,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:35,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:35,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:35,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:35,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:35,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:35,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 09:42:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:35,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:35,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:35,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:35,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:35,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:35,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:35,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:35,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:35,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:35,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:35,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:35,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-29 09:42:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:35,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:35,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:35,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:35,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:35,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 09:42:35,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:35,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:35,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:35,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:35,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:35,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:35,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 09:42:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:35,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:35,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:35,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:35,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:35,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:35,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:35,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:35,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:35,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:35,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:35,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:35,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-29 09:42:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:35,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:35,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:35,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:35,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:35,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:35,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:35,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:35,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:35,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:35,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:35,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:35,399 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 200 proven. 137 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-29 09:42:35,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028708767] [2020-10-29 09:42:35,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:42:35,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-29 09:42:35,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399711249] [2020-10-29 09:42:35,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-29 09:42:35,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:42:35,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-29 09:42:35,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=835, Unknown=0, NotChecked=0, Total=1056 [2020-10-29 09:42:35,402 INFO L87 Difference]: Start difference. First operand 116 states and 117 transitions. Second operand 33 states. [2020-10-29 09:42:38,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:42:38,014 INFO L93 Difference]: Finished difference Result 165 states and 179 transitions. [2020-10-29 09:42:38,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-29 09:42:38,015 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 113 [2020-10-29 09:42:38,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:42:38,017 INFO L225 Difference]: With dead ends: 165 [2020-10-29 09:42:38,017 INFO L226 Difference]: Without dead ends: 117 [2020-10-29 09:42:38,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 934 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=688, Invalid=3344, Unknown=0, NotChecked=0, Total=4032 [2020-10-29 09:42:38,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-10-29 09:42:38,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-10-29 09:42:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-10-29 09:42:38,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 118 transitions. [2020-10-29 09:42:38,036 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 118 transitions. Word has length 113 [2020-10-29 09:42:38,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:42:38,037 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 118 transitions. [2020-10-29 09:42:38,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-29 09:42:38,037 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 118 transitions. [2020-10-29 09:42:38,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-29 09:42:38,038 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:42:38,038 INFO L422 BasicCegarLoop]: trace histogram [14, 13, 13, 13, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:42:38,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-29 09:42:38,038 INFO L429 AbstractCegarLoop]: === Iteration 30 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:42:38,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:42:38,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1428931905, now seen corresponding path program 25 times [2020-10-29 09:42:38,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:42:38,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [943587933] [2020-10-29 09:42:38,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:42:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:38,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:38,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:38,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 09:42:38,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:38,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 918 [2020-10-29 09:42:38,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:38,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:38,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-29 09:42:38,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:42:38,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-29 09:42:38,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:39,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:42:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:39,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:39,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:39,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:42:39,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:39,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:39,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:39,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:39,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:42:39,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:39,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:42:39,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:39,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 09:42:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:39,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:39,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:39,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:39,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:39,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:39,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:39,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:39,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:39,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:39,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:39,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:39,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:42:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:39,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:39,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:39,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:39,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:39,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:39,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:39,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:39,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:39,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:39,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:39,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:39,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 09:42:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:39,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:39,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:39,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:39,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:39,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:39,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:39,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:39,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:39,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:39,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:39,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:39,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 09:42:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:39,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:39,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:39,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:39,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:39,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:39,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:39,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:39,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:39,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:39,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:39,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:39,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 09:42:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:39,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:39,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:39,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:39,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:39,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:39,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:39,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:39,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:39,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:39,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:39,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:39,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 09:42:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:39,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:39,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:39,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:39,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:39,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:39,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:39,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:39,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:39,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:39,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:39,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:39,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 09:42:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:39,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:39,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:39,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:39,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:39,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:39,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:39,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:39,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:39,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:39,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:39,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:39,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 09:42:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:39,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:39,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:39,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:39,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:39,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:39,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:39,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:39,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:39,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:39,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:39,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:39,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 09:42:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:39,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:39,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:39,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:39,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:39,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:39,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:39,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:39,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:39,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:39,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:39,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:39,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 09:42:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:39,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:39,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:39,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:39,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:39,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:39,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:39,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:39,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:39,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:39,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:39,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:39,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-29 09:42:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:39,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:39,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:39,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:39,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:39,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:39,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:39,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:39,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:39,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:39,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:39,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:39,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 09:42:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:39,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:39,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:39,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:39,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:39,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:39,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:39,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:39,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:39,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:39,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:39,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:39,682 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 115 proven. 236 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-29 09:42:39,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [943587933] [2020-10-29 09:42:39,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:42:39,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-29 09:42:39,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229591620] [2020-10-29 09:42:39,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-29 09:42:39,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:42:39,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-29 09:42:39,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=762, Unknown=0, NotChecked=0, Total=992 [2020-10-29 09:42:39,687 INFO L87 Difference]: Start difference. First operand 117 states and 118 transitions. Second operand 32 states. [2020-10-29 09:42:41,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:42:41,765 INFO L93 Difference]: Finished difference Result 132 states and 134 transitions. [2020-10-29 09:42:41,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-29 09:42:41,766 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 114 [2020-10-29 09:42:41,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:42:41,768 INFO L225 Difference]: With dead ends: 132 [2020-10-29 09:42:41,768 INFO L226 Difference]: Without dead ends: 128 [2020-10-29 09:42:41,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 768 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1050, Invalid=2610, Unknown=0, NotChecked=0, Total=3660 [2020-10-29 09:42:41,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-10-29 09:42:41,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 124. [2020-10-29 09:42:41,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-29 09:42:41,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 125 transitions. [2020-10-29 09:42:41,791 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 125 transitions. Word has length 114 [2020-10-29 09:42:41,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:42:41,792 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 125 transitions. [2020-10-29 09:42:41,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-29 09:42:41,792 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 125 transitions. [2020-10-29 09:42:41,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 09:42:41,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:42:41,793 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:42:41,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-29 09:42:41,793 INFO L429 AbstractCegarLoop]: === Iteration 31 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:42:41,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:42:41,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1563895916, now seen corresponding path program 26 times [2020-10-29 09:42:41,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:42:41,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1431363482] [2020-10-29 09:42:41,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:42:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:41,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:43,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:43,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-29 09:42:43,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:43,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1232 [2020-10-29 09:42:43,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:43,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:43,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 09:42:43,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:42:43,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-29 09:42:43,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:43,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:42:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:43,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:43,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:43,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:42:43,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:43,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:43,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:43,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:43,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:42:43,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:43,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:42:43,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:43,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 09:42:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:43,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:44,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:44,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:44,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:44,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:44,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:44,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:44,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:44,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:44,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:44,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:44,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:42:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:44,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:44,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:44,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:44,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:44,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:44,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:44,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:44,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:44,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:44,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:44,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:44,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 09:42:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:44,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:44,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:44,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:44,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:44,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:44,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:44,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:44,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:44,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:44,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:44,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:44,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 09:42:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:44,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:44,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:44,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:44,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:44,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:44,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:44,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:44,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:44,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:44,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:44,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:44,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 09:42:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:44,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:44,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:44,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:44,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:44,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:44,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:44,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:44,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:44,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:44,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:44,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:44,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 09:42:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:44,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:44,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:44,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:44,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:44,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:44,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:44,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:44,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:44,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:44,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:44,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:44,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 09:42:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:44,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:44,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:44,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:44,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:44,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:44,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:44,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:44,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:44,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:44,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:44,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:44,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 09:42:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:44,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:44,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:44,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:44,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:44,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:44,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:44,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:44,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:44,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:44,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:44,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:44,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 09:42:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:44,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:44,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:44,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:44,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:44,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:44,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:44,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:44,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:44,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:44,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:44,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:44,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 09:42:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:44,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:44,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:44,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:44,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:44,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:44,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:44,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:44,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:44,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:44,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:44,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:44,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-29 09:42:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:44,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:44,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:44,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:44,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:44,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:44,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:44,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:44,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:44,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:44,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:44,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:44,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 09:42:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:44,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:44,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:44,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:44,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:44,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:44,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:44,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:44,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:44,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:44,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:44,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:44,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 09:42:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:44,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:44,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:44,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:44,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:44,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:44,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:44,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:44,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:44,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:44,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:44,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:44,113 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 273 proven. 118 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-29 09:42:44,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1431363482] [2020-10-29 09:42:44,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:42:44,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-29 09:42:44,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117327328] [2020-10-29 09:42:44,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-29 09:42:44,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:42:44,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-29 09:42:44,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=941, Unknown=0, NotChecked=0, Total=1190 [2020-10-29 09:42:44,116 INFO L87 Difference]: Start difference. First operand 124 states and 125 transitions. Second operand 35 states. [2020-10-29 09:42:47,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:42:47,001 INFO L93 Difference]: Finished difference Result 176 states and 191 transitions. [2020-10-29 09:42:47,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-29 09:42:47,002 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 121 [2020-10-29 09:42:47,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:42:47,004 INFO L225 Difference]: With dead ends: 176 [2020-10-29 09:42:47,004 INFO L226 Difference]: Without dead ends: 125 [2020-10-29 09:42:47,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1032 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=764, Invalid=3792, Unknown=0, NotChecked=0, Total=4556 [2020-10-29 09:42:47,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-29 09:42:47,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-10-29 09:42:47,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-29 09:42:47,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 126 transitions. [2020-10-29 09:42:47,026 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 126 transitions. Word has length 121 [2020-10-29 09:42:47,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:42:47,026 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 126 transitions. [2020-10-29 09:42:47,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-29 09:42:47,026 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 126 transitions. [2020-10-29 09:42:47,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-29 09:42:47,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:42:47,027 INFO L422 BasicCegarLoop]: trace histogram [15, 14, 14, 14, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:42:47,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-29 09:42:47,027 INFO L429 AbstractCegarLoop]: === Iteration 32 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:42:47,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:42:47,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1525175650, now seen corresponding path program 27 times [2020-10-29 09:42:47,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:42:47,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1834197452] [2020-10-29 09:42:47,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:42:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:47,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:48,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:48,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-29 09:42:48,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:48,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1073 [2020-10-29 09:42:48,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:48,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:48,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-29 09:42:48,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:42:48,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-29 09:42:48,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:48,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:42:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:48,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:48,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:48,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:42:48,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:48,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:48,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:48,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:42:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:42:48,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:48,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 09:42:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:48,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:48,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:48,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:48,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:48,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:48,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:48,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:48,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:48,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:48,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:48,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:48,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 09:42:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:48,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:48,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:48,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:48,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:48,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:48,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:48,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:48,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:48,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:48,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:48,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:48,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 09:42:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:48,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:48,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:48,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:48,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:48,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:48,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:48,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:48,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:48,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:48,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:48,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:48,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 09:42:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:48,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:48,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:48,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:48,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:48,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:48,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:48,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:48,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:48,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:48,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:48,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:48,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 09:42:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:48,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:48,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:48,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:48,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:48,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:48,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:48,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:48,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:48,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:48,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:48,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:48,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 09:42:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:48,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:48,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:48,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:48,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:48,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:48,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:48,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:48,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:48,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:48,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:48,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:48,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 09:42:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:48,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:48,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:48,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:48,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:48,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:48,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:48,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:48,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:48,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:48,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:48,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:48,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-29 09:42:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:48,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:48,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:48,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:48,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:48,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:48,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:48,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:48,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:48,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:48,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:48,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:48,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 09:42:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:48,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:48,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:48,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:48,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:48,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:48,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:48,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:48,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:48,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:48,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:48,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:48,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-29 09:42:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:48,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:48,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:48,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:48,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:48,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:48,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:48,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:48,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:48,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:48,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:48,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:48,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 09:42:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:48,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:48,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:48,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:48,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:48,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:48,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:48,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:48,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:48,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:48,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:48,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:48,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-29 09:42:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:48,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:48,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:48,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:48,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:48,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:48,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:48,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:48,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:48,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:48,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:48,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:48,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-29 09:42:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:48,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:48,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:48,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:48,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:48,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:48,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:48,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:48,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:48,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:48,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:48,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:48,893 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 131 proven. 275 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-29 09:42:48,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1834197452] [2020-10-29 09:42:48,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:42:48,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-29 09:42:48,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519028891] [2020-10-29 09:42:48,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-29 09:42:48,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:42:48,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-29 09:42:48,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=861, Unknown=0, NotChecked=0, Total=1122 [2020-10-29 09:42:48,895 INFO L87 Difference]: Start difference. First operand 125 states and 126 transitions. Second operand 34 states. [2020-10-29 09:42:51,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:42:51,252 INFO L93 Difference]: Finished difference Result 140 states and 142 transitions. [2020-10-29 09:42:51,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-29 09:42:51,254 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 122 [2020-10-29 09:42:51,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:42:51,256 INFO L225 Difference]: With dead ends: 140 [2020-10-29 09:42:51,256 INFO L226 Difference]: Without dead ends: 136 [2020-10-29 09:42:51,257 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1204, Invalid=3086, Unknown=0, NotChecked=0, Total=4290 [2020-10-29 09:42:51,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-10-29 09:42:51,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 132. [2020-10-29 09:42:51,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-29 09:42:51,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 133 transitions. [2020-10-29 09:42:51,278 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 133 transitions. Word has length 122 [2020-10-29 09:42:51,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:42:51,279 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 133 transitions. [2020-10-29 09:42:51,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-29 09:42:51,279 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 133 transitions. [2020-10-29 09:42:51,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-29 09:42:51,280 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:42:51,280 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:42:51,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-29 09:42:51,280 INFO L429 AbstractCegarLoop]: === Iteration 33 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:42:51,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:42:51,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1187028693, now seen corresponding path program 28 times [2020-10-29 09:42:51,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:42:51,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1316603453] [2020-10-29 09:42:51,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:42:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:51,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:52,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:52,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-29 09:42:52,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:52,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 969 [2020-10-29 09:42:52,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:52,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:52,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 09:42:52,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:42:52,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-29 09:42:52,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:53,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:42:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:53,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:53,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:53,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:42:53,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:53,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:53,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:53,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:53,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:42:53,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:53,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:42:53,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:53,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 09:42:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:53,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:53,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:53,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:53,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:53,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:53,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:53,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:53,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:53,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:53,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:53,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:53,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 09:42:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:53,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:53,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:53,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:53,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:53,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:53,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:53,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:53,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:53,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:53,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:53,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:53,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 09:42:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:53,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:53,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:53,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:53,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:53,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:53,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:53,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:53,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:53,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:53,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:53,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:53,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 09:42:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:53,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:53,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:53,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:53,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:53,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:53,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:53,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:53,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:53,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:53,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:53,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:53,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 09:42:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:53,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:53,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:53,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:53,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:53,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:53,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:53,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:53,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:53,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:53,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:53,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:53,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 09:42:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:53,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:53,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:53,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:53,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:53,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:53,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:53,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:53,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:53,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:53,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:53,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:53,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 09:42:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:53,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:53,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:53,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:53,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:53,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:53,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:53,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:53,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:53,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:53,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:53,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:53,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-29 09:42:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:53,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:53,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:53,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:53,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:53,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:53,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:53,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:53,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:53,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:53,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:53,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:53,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 09:42:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:53,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:53,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:53,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:53,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:53,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:53,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:53,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:53,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:53,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:53,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:53,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:53,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-29 09:42:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:53,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:53,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:53,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:53,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:53,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:53,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:53,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:53,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:53,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:53,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:53,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:53,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 09:42:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:53,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:53,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:53,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:53,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:53,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:53,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:53,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:53,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:53,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:53,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:53,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:53,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-29 09:42:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:53,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:53,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:53,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:53,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:53,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:42:53,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:53,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:53,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:53,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:53,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:53,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:42:53,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-29 09:42:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:53,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:53,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:53,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:53,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:53,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:53,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:53,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:53,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:53,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:53,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:53,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:53,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-29 09:42:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:53,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:53,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:53,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:53,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:53,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:53,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:53,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:53,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:53,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:53,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:53,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:53,460 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 315 proven. 134 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-29 09:42:53,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1316603453] [2020-10-29 09:42:53,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:42:53,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-29 09:42:53,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458721351] [2020-10-29 09:42:53,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-29 09:42:53,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:42:53,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-29 09:42:53,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=1076, Unknown=0, NotChecked=0, Total=1332 [2020-10-29 09:42:53,462 INFO L87 Difference]: Start difference. First operand 132 states and 133 transitions. Second operand 37 states. [2020-10-29 09:42:56,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:42:56,658 INFO L93 Difference]: Finished difference Result 187 states and 203 transitions. [2020-10-29 09:42:56,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-29 09:42:56,659 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 129 [2020-10-29 09:42:56,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:42:56,661 INFO L225 Difference]: With dead ends: 187 [2020-10-29 09:42:56,661 INFO L226 Difference]: Without dead ends: 133 [2020-10-29 09:42:56,663 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1082 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=780, Invalid=4190, Unknown=0, NotChecked=0, Total=4970 [2020-10-29 09:42:56,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-10-29 09:42:56,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-10-29 09:42:56,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-10-29 09:42:56,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 134 transitions. [2020-10-29 09:42:56,687 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 134 transitions. Word has length 129 [2020-10-29 09:42:56,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:42:56,687 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 134 transitions. [2020-10-29 09:42:56,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-29 09:42:56,687 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 134 transitions. [2020-10-29 09:42:56,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-29 09:42:56,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:42:56,688 INFO L422 BasicCegarLoop]: trace histogram [16, 15, 15, 15, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:42:56,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-29 09:42:56,688 INFO L429 AbstractCegarLoop]: === Iteration 34 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:42:56,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:42:56,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1295566815, now seen corresponding path program 29 times [2020-10-29 09:42:56,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:42:56,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [394210643] [2020-10-29 09:42:56,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:42:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:56,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:57,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:57,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-29 09:42:57,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:57,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 943 [2020-10-29 09:42:57,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:57,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:57,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-29 09:42:57,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:42:57,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-29 09:42:57,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:58,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:42:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:58,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:58,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:58,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:42:58,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:58,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:42:58,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:58,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:58,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:42:58,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:58,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:42:58,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:58,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-29 09:42:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:58,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:58,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:58,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:58,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:58,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:58,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:58,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:58,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:58,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:58,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:58,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:58,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 09:42:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:58,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:58,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:58,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:58,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:58,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:58,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:58,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:58,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:58,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:58,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:58,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:58,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 09:42:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:58,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:58,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:58,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:58,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:58,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:58,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:58,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:58,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:58,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:58,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:58,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:58,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 09:42:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:58,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:58,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:58,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:58,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:58,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:58,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:58,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:58,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:58,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:58,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:58,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:58,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 09:42:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:58,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:58,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:58,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:58,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:58,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:58,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:58,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:58,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:58,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:58,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:58,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:58,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 09:42:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:58,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:58,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:58,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:58,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:58,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:58,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:58,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:58,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:58,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:58,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:58,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:58,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 09:42:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:58,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:58,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:58,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:58,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:58,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:58,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:58,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:58,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:58,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:58,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:58,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:58,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 09:42:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:58,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:58,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:58,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:58,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:58,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:58,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:58,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:58,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:58,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:58,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:58,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:58,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 09:42:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:58,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:58,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:58,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:58,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:58,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:58,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:58,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:58,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:58,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:58,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:58,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:58,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 09:42:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:58,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:58,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:58,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:58,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:58,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:58,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:58,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:58,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:58,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:58,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:58,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:58,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-29 09:42:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:58,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:58,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:58,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:58,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:58,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:58,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:58,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:58,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:58,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:58,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:58,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:58,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 09:42:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:58,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:58,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:58,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:58,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:58,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:58,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:58,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:58,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:58,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:58,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:58,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:58,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-29 09:42:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:58,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:58,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:58,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:58,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:58,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:58,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:58,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:58,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:58,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:58,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:58,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:58,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 09:42:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:42:58,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:42:58,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:42:58,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:42:58,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:42:58,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:42:58,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:42:58,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:42:58,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:42:58,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:42:58,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:42:58,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:42:58,548 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 148 proven. 317 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-29 09:42:58,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [394210643] [2020-10-29 09:42:58,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:42:58,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-10-29 09:42:58,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253317449] [2020-10-29 09:42:58,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-10-29 09:42:58,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:42:58,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-10-29 09:42:58,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=294, Invalid=966, Unknown=0, NotChecked=0, Total=1260 [2020-10-29 09:42:58,550 INFO L87 Difference]: Start difference. First operand 133 states and 134 transitions. Second operand 36 states. [2020-10-29 09:43:01,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:43:01,011 INFO L93 Difference]: Finished difference Result 148 states and 150 transitions. [2020-10-29 09:43:01,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-29 09:43:01,012 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 130 [2020-10-29 09:43:01,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:43:01,013 INFO L225 Difference]: With dead ends: 148 [2020-10-29 09:43:01,013 INFO L226 Difference]: Without dead ends: 144 [2020-10-29 09:43:01,014 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1006 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1358, Invalid=3334, Unknown=0, NotChecked=0, Total=4692 [2020-10-29 09:43:01,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-10-29 09:43:01,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 140. [2020-10-29 09:43:01,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-10-29 09:43:01,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 141 transitions. [2020-10-29 09:43:01,034 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 141 transitions. Word has length 130 [2020-10-29 09:43:01,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:43:01,034 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 141 transitions. [2020-10-29 09:43:01,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-10-29 09:43:01,035 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 141 transitions. [2020-10-29 09:43:01,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-29 09:43:01,035 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:43:01,036 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:43:01,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-29 09:43:01,036 INFO L429 AbstractCegarLoop]: === Iteration 35 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:43:01,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:43:01,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1237403252, now seen corresponding path program 30 times [2020-10-29 09:43:01,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:43:01,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [824632186] [2020-10-29 09:43:01,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:43:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:01,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:02,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:02,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-29 09:43:02,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:02,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 956 [2020-10-29 09:43:02,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:02,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:02,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-29 09:43:02,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:43:02,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-29 09:43:02,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:03,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:43:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:03,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:03,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:03,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:43:03,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:03,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:03,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:03,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:03,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:43:03,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:03,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:43:03,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:03,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-29 09:43:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:03,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:03,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:03,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:03,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:03,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:03,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:03,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:03,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:03,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:03,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:03,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:03,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 09:43:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:03,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:03,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:03,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:03,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:03,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:03,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:03,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:03,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:03,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:03,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:03,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:03,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 09:43:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:03,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:03,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:03,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:03,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:03,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:03,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:03,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:03,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:03,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:03,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:03,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:03,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 09:43:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:03,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:03,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:03,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:03,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:03,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:03,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:03,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:03,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:03,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:03,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:03,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:03,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 09:43:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:03,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:03,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:03,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:03,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:03,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:03,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:03,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:03,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:03,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:03,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:03,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:03,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 09:43:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:03,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:03,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:03,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:03,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:03,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:03,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:03,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:03,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:03,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:03,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:03,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:03,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 09:43:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:03,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:03,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:03,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:03,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:03,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:03,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:03,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:03,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:03,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:03,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:03,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:03,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 09:43:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:03,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:03,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:03,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:03,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:03,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:03,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:03,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:03,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:03,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:03,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:03,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:03,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 09:43:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:03,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:03,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:03,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:03,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:03,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:03,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:03,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:03,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:03,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:03,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:03,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:03,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 09:43:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:03,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:03,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:03,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:03,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:03,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:03,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:03,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:03,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:03,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:03,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:03,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:03,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-29 09:43:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:03,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:03,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:03,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:03,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:03,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:03,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:03,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:03,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:03,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:03,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:03,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:03,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 09:43:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:03,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:03,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:03,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:03,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:03,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:03,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:03,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:03,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:03,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:03,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:03,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:03,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-29 09:43:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:03,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:03,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:03,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:03,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:03,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:03,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:03,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:03,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:03,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:03,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:03,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:03,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 09:43:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:03,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:03,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:03,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:03,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:03,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:03,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:03,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:03,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:03,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:03,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:03,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:03,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 09:43:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:03,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:03,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:03,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:03,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:03,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:03,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:03,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:03,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:03,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:03,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:03,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:03,413 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 360 proven. 151 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-29 09:43:03,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [824632186] [2020-10-29 09:43:03,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:43:03,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2020-10-29 09:43:03,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242384009] [2020-10-29 09:43:03,414 INFO L461 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-10-29 09:43:03,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:43:03,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-10-29 09:43:03,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=246, Invalid=1236, Unknown=0, NotChecked=0, Total=1482 [2020-10-29 09:43:03,415 INFO L87 Difference]: Start difference. First operand 140 states and 141 transitions. Second operand 39 states. [2020-10-29 09:43:06,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:43:06,866 INFO L93 Difference]: Finished difference Result 198 states and 215 transitions. [2020-10-29 09:43:06,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-29 09:43:06,867 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 137 [2020-10-29 09:43:06,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:43:06,869 INFO L225 Difference]: With dead ends: 198 [2020-10-29 09:43:06,869 INFO L226 Difference]: Without dead ends: 141 [2020-10-29 09:43:06,871 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1185 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=756, Invalid=4944, Unknown=0, NotChecked=0, Total=5700 [2020-10-29 09:43:06,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-10-29 09:43:06,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2020-10-29 09:43:06,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-10-29 09:43:06,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 142 transitions. [2020-10-29 09:43:06,892 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 142 transitions. Word has length 137 [2020-10-29 09:43:06,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:43:06,892 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 142 transitions. [2020-10-29 09:43:06,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 39 states. [2020-10-29 09:43:06,892 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 142 transitions. [2020-10-29 09:43:06,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-29 09:43:06,893 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:43:06,893 INFO L422 BasicCegarLoop]: trace histogram [17, 16, 16, 16, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:43:06,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-29 09:43:06,893 INFO L429 AbstractCegarLoop]: === Iteration 36 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:43:06,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:43:06,893 INFO L82 PathProgramCache]: Analyzing trace with hash 413975934, now seen corresponding path program 31 times [2020-10-29 09:43:06,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:43:06,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [618498662] [2020-10-29 09:43:06,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:43:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:06,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:08,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:08,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 09:43:08,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:08,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1124 [2020-10-29 09:43:08,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:08,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:08,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-29 09:43:08,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:43:08,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-29 09:43:08,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:08,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:43:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:08,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:08,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:08,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:43:08,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:08,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:08,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:08,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:08,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:43:08,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:08,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:43:08,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:08,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 09:43:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:08,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:08,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:08,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:08,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:08,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:08,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:08,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:08,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:08,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:08,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:08,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:08,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 09:43:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:08,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:08,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:08,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:08,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:08,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:08,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:08,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:08,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:08,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:08,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:08,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:09,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 09:43:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:09,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:09,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:09,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:09,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:09,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:09,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:09,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:09,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:09,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:09,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:09,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:09,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 09:43:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:09,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:09,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:09,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:09,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:09,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:09,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:09,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:09,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:09,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:09,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:09,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:09,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 09:43:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:09,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:09,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:09,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:09,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:09,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:09,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:09,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:09,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:09,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:09,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:09,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:09,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-29 09:43:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:09,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:09,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:09,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:09,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:09,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:09,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:09,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:09,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:09,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:09,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:09,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:09,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 09:43:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:09,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:09,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:09,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:09,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:09,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:09,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:09,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:09,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:09,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:09,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:09,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:09,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 09:43:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:09,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:09,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:09,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:09,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:09,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:09,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:09,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:09,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:09,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:09,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:09,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:09,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-29 09:43:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:09,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:09,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:09,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:09,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:09,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:09,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:09,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:09,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:09,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:09,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:09,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:09,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-29 09:43:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:09,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:09,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:09,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:09,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:09,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:09,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:09,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:09,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:09,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:09,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:09,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:09,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 09:43:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:09,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:09,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:09,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:09,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:09,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:09,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:09,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:09,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:09,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:09,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:09,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:09,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 09:43:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:09,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:09,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:09,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:09,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:09,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:09,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:09,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:09,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:09,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:09,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:09,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:09,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-29 09:43:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:09,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:09,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:09,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:09,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:09,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:09,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:09,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:09,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:09,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:09,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:09,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:09,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 09:43:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:09,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:09,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:09,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:09,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:09,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:09,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:09,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:09,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:09,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:09,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:09,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:09,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-29 09:43:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:09,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:09,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:09,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:09,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:09,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:09,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:09,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:09,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:09,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:09,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:09,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:09,080 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 166 proven. 362 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-29 09:43:09,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [618498662] [2020-10-29 09:43:09,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:43:09,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-10-29 09:43:09,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352281519] [2020-10-29 09:43:09,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-29 09:43:09,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:43:09,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-29 09:43:09,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=1077, Unknown=0, NotChecked=0, Total=1406 [2020-10-29 09:43:09,082 INFO L87 Difference]: Start difference. First operand 141 states and 142 transitions. Second operand 38 states. [2020-10-29 09:43:11,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:43:11,855 INFO L93 Difference]: Finished difference Result 156 states and 158 transitions. [2020-10-29 09:43:11,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-29 09:43:11,856 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 138 [2020-10-29 09:43:11,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:43:11,858 INFO L225 Difference]: With dead ends: 156 [2020-10-29 09:43:11,858 INFO L226 Difference]: Without dead ends: 152 [2020-10-29 09:43:11,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1137 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1527, Invalid=3729, Unknown=0, NotChecked=0, Total=5256 [2020-10-29 09:43:11,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-10-29 09:43:11,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 148. [2020-10-29 09:43:11,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-10-29 09:43:11,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 149 transitions. [2020-10-29 09:43:11,883 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 149 transitions. Word has length 138 [2020-10-29 09:43:11,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:43:11,884 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 149 transitions. [2020-10-29 09:43:11,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-29 09:43:11,884 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 149 transitions. [2020-10-29 09:43:11,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-29 09:43:11,885 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:43:11,885 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:43:11,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-29 09:43:11,885 INFO L429 AbstractCegarLoop]: === Iteration 37 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:43:11,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:43:11,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1428260853, now seen corresponding path program 32 times [2020-10-29 09:43:11,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:43:11,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555229520] [2020-10-29 09:43:11,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:43:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:11,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:13,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:13,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-29 09:43:13,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:13,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1307 [2020-10-29 09:43:13,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:13,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:13,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-29 09:43:13,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:43:13,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-29 09:43:13,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:14,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:43:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:14,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:14,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:14,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:43:14,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:14,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:14,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:14,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:14,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:43:14,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:14,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:43:14,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:14,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 09:43:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:14,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:14,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:14,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:14,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:14,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:14,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:14,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:14,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:14,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:14,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:14,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:14,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 09:43:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:14,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:14,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:14,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:14,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:14,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:14,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:14,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:14,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:14,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:14,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:14,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:14,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 09:43:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:14,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:14,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:14,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:14,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:14,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:14,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:14,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:14,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:14,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:14,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:14,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:14,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 09:43:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:14,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:14,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:14,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:14,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:14,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:14,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:14,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:14,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:14,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:14,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:14,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:14,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 09:43:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:14,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:14,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:14,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:14,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:14,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:14,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:14,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:14,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:14,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:14,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:14,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:14,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-29 09:43:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:14,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:14,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:14,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:14,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:14,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:14,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:14,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:14,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:14,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:14,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:14,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:14,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 09:43:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:14,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:14,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:14,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:14,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:14,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:14,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:14,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:14,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:14,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:14,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:14,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:14,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 09:43:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:14,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:14,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:14,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:14,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:14,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:14,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:14,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:14,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:14,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:14,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:14,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:14,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-29 09:43:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:14,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:14,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:14,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:14,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:14,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:14,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:14,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:14,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:14,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:14,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:14,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:14,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-29 09:43:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:14,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:14,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:14,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:14,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:14,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:14,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:14,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:14,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:14,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:14,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:14,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:14,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 09:43:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:14,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:14,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:14,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:14,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:14,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:14,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:14,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:14,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:14,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:14,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:14,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:14,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 09:43:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:14,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:14,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:14,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:14,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:14,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:14,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:14,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:14,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:14,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:14,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:14,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:14,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-29 09:43:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:14,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:14,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:14,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:14,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:14,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:14,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:14,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:14,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:14,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:14,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:14,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:14,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 09:43:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:14,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:14,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:14,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:14,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:14,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:14,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:14,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:14,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:14,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:14,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:14,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:14,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-29 09:43:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:14,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:14,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:14,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:14,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:14,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:14,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:14,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:14,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:14,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:14,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:14,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:14,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-29 09:43:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:14,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:14,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:14,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:14,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:14,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:14,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:14,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:14,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:14,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:14,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:14,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:14,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 408 proven. 169 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-29 09:43:14,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [555229520] [2020-10-29 09:43:14,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:43:14,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-10-29 09:43:14,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836045837] [2020-10-29 09:43:14,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-10-29 09:43:14,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:43:14,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-10-29 09:43:14,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=1272, Unknown=0, NotChecked=0, Total=1640 [2020-10-29 09:43:14,544 INFO L87 Difference]: Start difference. First operand 148 states and 149 transitions. Second operand 41 states. [2020-10-29 09:43:18,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:43:18,414 INFO L93 Difference]: Finished difference Result 209 states and 227 transitions. [2020-10-29 09:43:18,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-29 09:43:18,415 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 145 [2020-10-29 09:43:18,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:43:18,417 INFO L225 Difference]: With dead ends: 209 [2020-10-29 09:43:18,418 INFO L226 Difference]: Without dead ends: 149 [2020-10-29 09:43:18,423 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1479 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=1124, Invalid=5196, Unknown=0, NotChecked=0, Total=6320 [2020-10-29 09:43:18,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-10-29 09:43:18,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2020-10-29 09:43:18,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-10-29 09:43:18,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 150 transitions. [2020-10-29 09:43:18,449 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 150 transitions. Word has length 145 [2020-10-29 09:43:18,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:43:18,449 INFO L481 AbstractCegarLoop]: Abstraction has 149 states and 150 transitions. [2020-10-29 09:43:18,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-10-29 09:43:18,449 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 150 transitions. [2020-10-29 09:43:18,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-29 09:43:18,450 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:43:18,451 INFO L422 BasicCegarLoop]: trace histogram [18, 17, 17, 17, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:43:18,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-29 09:43:18,451 INFO L429 AbstractCegarLoop]: === Iteration 38 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:43:18,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:43:18,451 INFO L82 PathProgramCache]: Analyzing trace with hash -959816449, now seen corresponding path program 33 times [2020-10-29 09:43:18,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:43:18,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [270409971] [2020-10-29 09:43:18,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:43:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:18,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:19,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:19,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-29 09:43:19,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:19,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1077 [2020-10-29 09:43:19,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:19,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:19,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-29 09:43:19,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:43:19,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-29 09:43:19,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:20,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:43:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:20,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:20,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:20,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:43:20,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:20,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:20,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:20,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:20,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:43:20,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:20,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:43:20,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:20,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 09:43:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:20,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:20,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:20,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:20,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:20,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:20,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:20,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:20,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:20,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:20,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:20,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:20,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 09:43:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:20,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:20,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:20,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:20,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:20,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:20,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:20,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:20,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:20,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:20,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:20,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:20,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 09:43:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:20,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:20,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:20,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:20,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:20,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:20,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:20,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:20,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:20,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:20,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:20,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:20,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 09:43:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:20,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:20,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:20,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:20,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:20,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:20,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:20,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:20,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:20,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:20,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:20,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:20,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-29 09:43:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:20,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:20,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:20,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:20,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:20,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:20,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:20,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:20,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:20,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:20,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:20,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:20,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 09:43:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:20,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:20,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:20,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:20,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:20,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:20,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:20,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:20,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:20,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:20,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:20,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:20,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-29 09:43:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:20,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:20,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:20,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:20,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:20,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:20,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:20,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:20,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:20,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:20,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:20,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:20,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 09:43:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:20,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:20,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:20,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:20,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:20,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:20,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:20,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:20,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:20,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:20,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:20,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:20,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 09:43:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:20,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:20,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:20,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:20,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:20,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:20,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:20,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:20,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:20,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:20,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:20,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:20,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 09:43:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:20,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:20,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:20,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:20,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:20,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:20,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:20,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:20,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:20,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:20,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:20,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:20,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-29 09:43:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:20,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:20,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:20,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:20,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:20,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:20,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:20,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:20,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:20,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:20,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:20,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:20,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 09:43:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:20,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:20,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:20,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:20,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:20,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:20,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:20,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:20,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:20,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:20,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:20,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:20,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-29 09:43:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:20,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:20,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:20,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:20,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:20,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:20,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:20,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:20,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:20,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:20,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:20,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:20,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-29 09:43:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:20,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:20,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:20,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:20,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:20,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:20,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:20,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:20,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:20,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:20,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:20,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:20,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-29 09:43:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:20,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:20,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:20,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:20,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:20,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:20,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:20,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:20,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:20,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:20,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:20,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:20,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-29 09:43:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:20,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:20,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:20,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:20,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:20,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:20,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:20,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:20,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:20,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:20,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:20,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:20,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1075 backedges. 185 proven. 410 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-29 09:43:20,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [270409971] [2020-10-29 09:43:20,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:43:20,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-10-29 09:43:20,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064480881] [2020-10-29 09:43:20,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-10-29 09:43:20,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:43:20,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-10-29 09:43:20,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=366, Invalid=1194, Unknown=0, NotChecked=0, Total=1560 [2020-10-29 09:43:20,669 INFO L87 Difference]: Start difference. First operand 149 states and 150 transitions. Second operand 40 states. [2020-10-29 09:43:23,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:43:23,564 INFO L93 Difference]: Finished difference Result 164 states and 166 transitions. [2020-10-29 09:43:23,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-29 09:43:23,565 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 146 [2020-10-29 09:43:23,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:43:23,567 INFO L225 Difference]: With dead ends: 164 [2020-10-29 09:43:23,567 INFO L226 Difference]: Without dead ends: 160 [2020-10-29 09:43:23,567 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1330 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1711, Invalid=4295, Unknown=0, NotChecked=0, Total=6006 [2020-10-29 09:43:23,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-29 09:43:23,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 156. [2020-10-29 09:43:23,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-10-29 09:43:23,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 157 transitions. [2020-10-29 09:43:23,593 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 157 transitions. Word has length 146 [2020-10-29 09:43:23,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:43:23,593 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 157 transitions. [2020-10-29 09:43:23,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-10-29 09:43:23,593 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 157 transitions. [2020-10-29 09:43:23,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-29 09:43:23,594 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:43:23,594 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:43:23,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-10-29 09:43:23,595 INFO L429 AbstractCegarLoop]: === Iteration 39 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:43:23,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:43:23,595 INFO L82 PathProgramCache]: Analyzing trace with hash 643018068, now seen corresponding path program 34 times [2020-10-29 09:43:23,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:43:23,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2120841089] [2020-10-29 09:43:23,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:43:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:23,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:25,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:25,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-29 09:43:25,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:25,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1476 [2020-10-29 09:43:25,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:25,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:25,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-29 09:43:25,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:43:25,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-29 09:43:25,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:26,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:43:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:26,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:26,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:26,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:43:26,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:26,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:26,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:26,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:26,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:43:26,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:26,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:43:26,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:26,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 09:43:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:26,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:26,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:26,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:26,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:26,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:26,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:26,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:26,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:26,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:26,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:26,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:26,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 09:43:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:26,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:26,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:26,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:26,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:26,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:26,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:26,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:26,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:26,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:26,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:26,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:26,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 09:43:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:26,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:26,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:26,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:26,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:26,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:26,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:26,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:26,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:26,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:26,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:26,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:26,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 09:43:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:26,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:26,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:26,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:26,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:26,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:26,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:26,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:26,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:26,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:26,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:26,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:26,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-29 09:43:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:26,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:26,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:26,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:26,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:26,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:26,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:26,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:26,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:26,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:26,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:26,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:26,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 09:43:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:26,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:26,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:26,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:26,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:26,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:26,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:26,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:26,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:26,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:26,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:26,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:26,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-29 09:43:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:26,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:26,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:26,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:26,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:26,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:26,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:26,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:26,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:26,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:26,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:26,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:26,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 09:43:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:26,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:26,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:26,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:26,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:26,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:26,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:26,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:26,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:26,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:26,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:26,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:26,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 09:43:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:26,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:26,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:26,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:26,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:26,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:26,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:26,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:26,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:26,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:26,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:26,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:26,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 09:43:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:26,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:26,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:26,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:26,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:26,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:26,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:26,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:26,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:26,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:26,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:26,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:26,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-29 09:43:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:26,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:26,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:26,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:26,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:26,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:26,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:26,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:26,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:26,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:26,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:26,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:26,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 09:43:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:26,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:26,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:26,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:26,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:26,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:26,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:26,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:26,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:26,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:26,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:26,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:26,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-29 09:43:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:26,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:26,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:26,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:26,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:26,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:26,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:26,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:26,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:26,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:26,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:26,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:26,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-29 09:43:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:26,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:26,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:26,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:26,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:26,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:26,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:26,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:26,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:26,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:26,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:26,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:26,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-29 09:43:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:26,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:26,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:26,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:26,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:26,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:26,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:26,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:26,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:26,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:26,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:26,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:26,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-29 09:43:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:26,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:26,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:26,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:26,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:26,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:26,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:26,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:26,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:26,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:26,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:26,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:26,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-29 09:43:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:26,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:26,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:26,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:26,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:26,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:26,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:26,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:26,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:26,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:26,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:26,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:26,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 410 proven. 237 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-29 09:43:26,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2120841089] [2020-10-29 09:43:26,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:43:26,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2020-10-29 09:43:26,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162289910] [2020-10-29 09:43:26,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-10-29 09:43:26,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:43:26,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-10-29 09:43:26,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=373, Invalid=1433, Unknown=0, NotChecked=0, Total=1806 [2020-10-29 09:43:26,692 INFO L87 Difference]: Start difference. First operand 156 states and 157 transitions. Second operand 43 states. [2020-10-29 09:43:31,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:43:31,017 INFO L93 Difference]: Finished difference Result 220 states and 239 transitions. [2020-10-29 09:43:31,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-29 09:43:31,018 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 153 [2020-10-29 09:43:31,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:43:31,020 INFO L225 Difference]: With dead ends: 220 [2020-10-29 09:43:31,020 INFO L226 Difference]: Without dead ends: 157 [2020-10-29 09:43:31,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1633 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1154, Invalid=5818, Unknown=0, NotChecked=0, Total=6972 [2020-10-29 09:43:31,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-10-29 09:43:31,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2020-10-29 09:43:31,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-10-29 09:43:31,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 158 transitions. [2020-10-29 09:43:31,049 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 158 transitions. Word has length 153 [2020-10-29 09:43:31,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:43:31,050 INFO L481 AbstractCegarLoop]: Abstraction has 157 states and 158 transitions. [2020-10-29 09:43:31,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-10-29 09:43:31,050 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 158 transitions. [2020-10-29 09:43:31,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-29 09:43:31,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:43:31,051 INFO L422 BasicCegarLoop]: trace histogram [19, 18, 18, 18, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:43:31,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-29 09:43:31,051 INFO L429 AbstractCegarLoop]: === Iteration 40 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:43:31,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:43:31,051 INFO L82 PathProgramCache]: Analyzing trace with hash 721672286, now seen corresponding path program 35 times [2020-10-29 09:43:31,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:43:31,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1753085890] [2020-10-29 09:43:31,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:43:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:31,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:32,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:32,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-29 09:43:32,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:32,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1306 [2020-10-29 09:43:32,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:32,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:32,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-29 09:43:32,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:43:32,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-29 09:43:32,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:33,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:43:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:33,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:33,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:33,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:43:33,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:33,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:33,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:33,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:33,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:43:33,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:33,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:43:33,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:33,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-29 09:43:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:33,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:33,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:33,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:33,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:33,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:33,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:33,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:33,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:33,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:33,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:33,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:43:33,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 09:43:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:33,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:33,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:33,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:33,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:33,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:33,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:33,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:33,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:33,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:33,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:33,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:33,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 09:43:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:33,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:33,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:33,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:33,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:33,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:33,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:33,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:33,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:33,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:33,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:33,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:33,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 09:43:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:33,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:33,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:33,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:33,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:33,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:33,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:33,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:33,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:33,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:33,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:33,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:33,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 09:43:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:33,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:33,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:33,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:33,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:33,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:33,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:33,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:33,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:33,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:33,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:33,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:33,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 09:43:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:33,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:33,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:33,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:33,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:33,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:33,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:33,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:33,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:33,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:33,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:33,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:33,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 09:43:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:33,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:33,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:33,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:33,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:33,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:33,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:33,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:33,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:33,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:33,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:33,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:33,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 09:43:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:33,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:33,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:33,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:33,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:33,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:33,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:33,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:33,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:33,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:33,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:33,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:33,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 09:43:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:33,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:33,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:33,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:33,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:33,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:33,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:33,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:33,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:33,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:33,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:33,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:33,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-29 09:43:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:33,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:33,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:33,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:33,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:33,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:33,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:33,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:33,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:33,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:33,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:33,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:33,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-29 09:43:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:33,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:33,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:33,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:33,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:33,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:33,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:33,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:33,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:33,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:33,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:33,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:33,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 09:43:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:33,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:33,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:33,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:33,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:33,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:33,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:33,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:33,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:33,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:33,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:33,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:33,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-29 09:43:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:33,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:33,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:33,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:33,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:33,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:33,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:33,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:33,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:33,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:33,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:33,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:33,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-29 09:43:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:33,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:33,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:33,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:33,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:33,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:33,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:33,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:33,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:33,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:33,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:33,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:33,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-29 09:43:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:33,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:33,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:33,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:33,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:33,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:33,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:33,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:33,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:33,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:33,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:33,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:33,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 09:43:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:33,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:33,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:33,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:33,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:33,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:33,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:33,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:33,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:33,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:33,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:33,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:33,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-29 09:43:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:33,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:33,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:33,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:33,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:33,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:33,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:33,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:33,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:33,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:33,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:33,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:33,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1210 backedges. 205 proven. 461 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-29 09:43:33,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1753085890] [2020-10-29 09:43:33,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:43:33,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2020-10-29 09:43:33,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891997601] [2020-10-29 09:43:33,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-10-29 09:43:33,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:43:33,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-10-29 09:43:33,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=405, Invalid=1317, Unknown=0, NotChecked=0, Total=1722 [2020-10-29 09:43:33,585 INFO L87 Difference]: Start difference. First operand 157 states and 158 transitions. Second operand 42 states. [2020-10-29 09:43:36,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:43:36,744 INFO L93 Difference]: Finished difference Result 172 states and 174 transitions. [2020-10-29 09:43:36,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-29 09:43:36,745 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 154 [2020-10-29 09:43:36,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:43:36,747 INFO L225 Difference]: With dead ends: 172 [2020-10-29 09:43:36,747 INFO L226 Difference]: Without dead ends: 168 [2020-10-29 09:43:36,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1423 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1895, Invalid=4585, Unknown=0, NotChecked=0, Total=6480 [2020-10-29 09:43:36,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-10-29 09:43:36,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 164. [2020-10-29 09:43:36,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-10-29 09:43:36,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 165 transitions. [2020-10-29 09:43:36,781 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 165 transitions. Word has length 154 [2020-10-29 09:43:36,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:43:36,781 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 165 transitions. [2020-10-29 09:43:36,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-10-29 09:43:36,781 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 165 transitions. [2020-10-29 09:43:36,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-29 09:43:36,782 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:43:36,783 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:43:36,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-29 09:43:36,783 INFO L429 AbstractCegarLoop]: === Iteration 41 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:43:36,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:43:36,783 INFO L82 PathProgramCache]: Analyzing trace with hash -48662251, now seen corresponding path program 36 times [2020-10-29 09:43:36,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:43:36,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [203756408] [2020-10-29 09:43:36,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:43:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:36,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:38,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:38,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-29 09:43:38,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:38,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1343 [2020-10-29 09:43:38,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:38,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:38,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-29 09:43:38,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:43:38,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-29 09:43:38,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:39,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:43:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:39,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:39,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:39,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:43:39,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:39,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:43:39,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:39,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:39,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:43:39,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:39,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:43:39,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:39,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-29 09:43:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:39,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:39,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:39,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:39,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:39,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:39,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:39,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:39,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:39,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 09:43:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:39,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:39,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:39,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:39,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:39,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:43:39,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:39,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:39,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:39,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:39,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:39,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:39,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 09:43:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:39,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:39,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:39,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:39,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:39,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:39,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:39,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:39,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:39,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:39,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:39,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:39,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 09:43:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:39,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:39,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:39,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:39,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:39,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:39,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:39,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:39,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:39,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:39,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:39,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:39,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-29 09:43:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:39,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:39,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:39,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:39,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:39,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:39,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:39,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:39,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:39,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:39,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 09:43:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:39,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:39,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:39,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:39,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:39,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:39,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:39,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:39,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:39,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:39,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:39,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:39,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 09:43:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:39,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:39,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:39,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:39,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:39,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:39,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:39,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:39,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:39,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:39,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:39,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:39,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 09:43:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:39,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:39,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:39,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:39,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:39,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:39,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:39,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:39,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:39,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:39,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:39,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:39,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 09:43:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:39,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:39,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:39,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:39,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:39,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:39,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:39,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:39,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:39,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:39,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:39,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:39,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-29 09:43:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:39,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:39,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:39,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:39,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:39,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:39,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:39,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:39,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:39,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:39,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:39,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:39,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-29 09:43:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:39,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:39,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:39,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:39,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:39,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:39,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:39,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:39,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:39,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:39,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:39,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:39,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 09:43:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:39,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:39,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:39,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:39,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:39,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:39,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:39,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:39,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:39,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:39,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:39,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:39,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-29 09:43:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:39,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:39,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:39,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:39,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:39,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:39,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:39,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:39,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:39,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:39,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:39,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:39,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-29 09:43:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:39,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:39,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:39,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:39,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:39,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:39,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:39,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:39,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:39,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:39,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:39,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:39,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-29 09:43:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:39,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:39,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:39,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:39,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:39,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:39,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:39,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:39,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:39,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:39,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:39,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:39,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 09:43:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:39,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:39,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:39,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:39,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:39,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:39,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:39,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:39,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:39,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:39,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:39,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:39,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-29 09:43:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:39,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:39,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:39,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:39,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:39,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:39,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:39,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:39,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:39,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:39,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:39,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:39,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-29 09:43:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:39,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:39,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:39,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:39,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:39,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:39,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:39,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:39,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:39,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:39,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:39,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:39,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 513 proven. 208 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-29 09:43:39,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [203756408] [2020-10-29 09:43:39,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:43:39,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2020-10-29 09:43:39,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187146973] [2020-10-29 09:43:39,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-10-29 09:43:39,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:43:39,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-10-29 09:43:39,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=448, Invalid=1532, Unknown=0, NotChecked=0, Total=1980 [2020-10-29 09:43:39,820 INFO L87 Difference]: Start difference. First operand 164 states and 165 transitions. Second operand 45 states. [2020-10-29 09:43:44,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:43:44,307 INFO L93 Difference]: Finished difference Result 231 states and 251 transitions. [2020-10-29 09:43:44,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-29 09:43:44,308 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 161 [2020-10-29 09:43:44,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:43:44,310 INFO L225 Difference]: With dead ends: 231 [2020-10-29 09:43:44,310 INFO L226 Difference]: Without dead ends: 165 [2020-10-29 09:43:44,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1746 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=1361, Invalid=6121, Unknown=0, NotChecked=0, Total=7482 [2020-10-29 09:43:44,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-10-29 09:43:44,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2020-10-29 09:43:44,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-10-29 09:43:44,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 166 transitions. [2020-10-29 09:43:44,340 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 166 transitions. Word has length 161 [2020-10-29 09:43:44,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:43:44,340 INFO L481 AbstractCegarLoop]: Abstraction has 165 states and 166 transitions. [2020-10-29 09:43:44,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 45 states. [2020-10-29 09:43:44,340 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 166 transitions. [2020-10-29 09:43:44,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-29 09:43:44,341 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:43:44,341 INFO L422 BasicCegarLoop]: trace histogram [20, 19, 19, 19, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:43:44,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-10-29 09:43:44,342 INFO L429 AbstractCegarLoop]: === Iteration 42 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:43:44,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:43:44,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1692730849, now seen corresponding path program 37 times [2020-10-29 09:43:44,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:43:44,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [480687358] [2020-10-29 09:43:44,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:43:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:44,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:45,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:45,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-29 09:43:45,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:45,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1352 [2020-10-29 09:43:45,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:45,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:45,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-29 09:43:45,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:43:45,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 191 [2020-10-29 09:43:45,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:46,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:43:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:46,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:46,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:46,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:43:46,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:46,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:46,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:46,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:46,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:43:46,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:46,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:43:46,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:46,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 09:43:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:46,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:46,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:46,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:46,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:46,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:46,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:46,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:46,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:46,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:46,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:46,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:46,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 09:43:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:46,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:46,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:46,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:46,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:46,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:46,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:46,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:46,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:46,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:46,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:46,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:46,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-29 09:43:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:46,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:46,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:46,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:46,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:46,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:46,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:46,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:46,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:46,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:46,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:46,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:46,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 09:43:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:46,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:46,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:46,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:46,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:46,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:46,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:46,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:46,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:46,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-29 09:43:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:46,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:46,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:46,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:46,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:46,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:46,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:46,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:46,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:46,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:46,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:46,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:46,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 09:43:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:46,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:46,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:46,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:46,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:46,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:46,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:46,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:46,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:46,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:46,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:46,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:46,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 09:43:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:46,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:46,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:46,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:46,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:46,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:46,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:46,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:46,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:46,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:46,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:46,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:46,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 09:43:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:46,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:46,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:46,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:46,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:46,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:46,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:46,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:46,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:46,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:46,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:46,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:46,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-29 09:43:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:46,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:46,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:46,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:46,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:46,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:46,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:46,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:46,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:46,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:46,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:46,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:46,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 09:43:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:46,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:46,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:46,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:46,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:46,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:46,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:46,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:46,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:46,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:46,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:46,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:46,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-29 09:43:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:46,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:46,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:46,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:46,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:46,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:46,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:46,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:46,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:46,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:46,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:46,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:46,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-29 09:43:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:46,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:46,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:46,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:46,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:46,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:46,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:46,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:46,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:46,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:46,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:46,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:46,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-29 09:43:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:46,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:46,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:46,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:46,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:46,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:46,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:46,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:46,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:46,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:46,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:46,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:46,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-29 09:43:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:46,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:46,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:46,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:46,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:46,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:46,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:46,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:46,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:46,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:46,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:46,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:46,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-29 09:43:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:46,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:46,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:46,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:46,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:46,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:46,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:46,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:46,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:46,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:46,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:46,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:46,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-29 09:43:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:46,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:46,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:46,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:46,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:46,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:46,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:46,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:46,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:46,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:46,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:46,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:46,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-29 09:43:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:46,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:46,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:46,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:46,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:46,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:46,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:46,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:46,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:46,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:46,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:46,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:46,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-29 09:43:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:47,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:47,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:47,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:47,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:47,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:47,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:47,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:47,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:47,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:47,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:47,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:47,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1353 backedges. 226 proven. 515 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-29 09:43:47,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [480687358] [2020-10-29 09:43:47,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:43:47,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2020-10-29 09:43:47,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968860102] [2020-10-29 09:43:47,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 44 states [2020-10-29 09:43:47,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:43:47,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2020-10-29 09:43:47,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=446, Invalid=1446, Unknown=0, NotChecked=0, Total=1892 [2020-10-29 09:43:47,022 INFO L87 Difference]: Start difference. First operand 165 states and 166 transitions. Second operand 44 states. [2020-10-29 09:43:50,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:43:50,550 INFO L93 Difference]: Finished difference Result 180 states and 182 transitions. [2020-10-29 09:43:50,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-29 09:43:50,551 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 162 [2020-10-29 09:43:50,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:43:50,553 INFO L225 Difference]: With dead ends: 180 [2020-10-29 09:43:50,553 INFO L226 Difference]: Without dead ends: 176 [2020-10-29 09:43:50,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1578 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=2094, Invalid=5046, Unknown=0, NotChecked=0, Total=7140 [2020-10-29 09:43:50,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-10-29 09:43:50,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 172. [2020-10-29 09:43:50,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-10-29 09:43:50,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 173 transitions. [2020-10-29 09:43:50,583 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 173 transitions. Word has length 162 [2020-10-29 09:43:50,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:43:50,585 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 173 transitions. [2020-10-29 09:43:50,585 INFO L482 AbstractCegarLoop]: Interpolant automaton has 44 states. [2020-10-29 09:43:50,585 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 173 transitions. [2020-10-29 09:43:50,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-29 09:43:50,586 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:43:50,586 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:43:50,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-10-29 09:43:50,586 INFO L429 AbstractCegarLoop]: === Iteration 43 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:43:50,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:43:50,587 INFO L82 PathProgramCache]: Analyzing trace with hash -324137932, now seen corresponding path program 38 times [2020-10-29 09:43:50,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:43:50,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1532095689] [2020-10-29 09:43:50,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:43:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:50,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:52,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:52,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-29 09:43:52,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:52,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1462 [2020-10-29 09:43:52,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:52,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-29 09:43:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:43:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 200 [2020-10-29 09:43:52,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:53,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:43:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:53,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:53,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:53,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:43:53,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:53,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:53,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:53,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:53,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:43:53,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:53,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:43:53,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:53,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 09:43:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:53,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:53,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:53,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:53,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:53,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:53,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:53,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:53,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:53,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:53,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:53,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:53,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 09:43:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:53,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:53,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:53,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:53,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:53,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:53,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:53,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:53,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:53,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:53,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:53,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:53,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-29 09:43:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:53,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:53,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:53,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:53,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:53,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:53,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:53,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:53,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:53,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:53,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:53,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:53,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 09:43:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:53,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:53,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:53,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:53,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:53,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:53,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:53,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:53,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:53,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:53,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:53,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:53,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-29 09:43:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:53,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:53,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:53,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:53,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:53,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:53,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:53,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:53,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:53,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:53,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:53,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:53,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 09:43:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:53,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:53,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:53,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:53,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:53,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:53,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:53,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:53,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:53,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:53,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:53,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:53,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 09:43:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:53,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:53,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:53,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:53,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:53,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:53,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:53,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:53,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:53,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:53,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:53,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:53,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 09:43:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:53,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:53,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:53,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:53,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:53,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:53,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:53,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:53,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:53,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:53,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:53,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:53,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-29 09:43:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:53,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:53,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:53,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:53,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:53,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:53,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:53,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:53,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:53,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:53,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:53,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:53,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-29 09:43:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:53,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:53,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:53,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:53,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:53,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:53,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:53,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:53,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:53,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:53,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:53,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:53,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-29 09:43:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:53,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:53,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:53,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:53,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:53,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:53,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:53,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:53,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:53,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:53,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:53,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:53,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-29 09:43:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:53,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:53,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:53,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:53,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:53,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:53,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:53,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:53,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:53,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:53,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:53,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:53,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-29 09:43:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:54,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:54,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:54,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:54,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:54,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:54,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:54,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:54,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:54,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:54,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:54,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:54,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-29 09:43:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:54,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:54,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:54,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:54,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:54,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:43:54,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:54,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:54,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:54,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:54,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:54,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:54,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-29 09:43:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:54,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:54,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:54,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:54,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:54,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:54,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:54,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:54,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:54,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:54,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:54,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:54,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-29 09:43:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:54,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:54,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:54,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:54,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:54,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:54,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:54,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:54,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:54,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:54,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:54,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:54,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-29 09:43:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:54,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:54,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:54,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:54,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:54,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:54,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:54,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:54,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:54,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:54,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:54,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:54,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-29 09:43:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:54,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:54,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:54,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:54,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:54,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:54,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:54,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:54,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:54,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:54,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:54,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:54,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-29 09:43:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:54,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:43:54,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:43:54,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:43:54,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:43:54,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:43:54,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:43:54,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:43:54,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:43:54,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:43:54,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:43:54,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:43:54,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 570 proven. 229 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-29 09:43:54,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1532095689] [2020-10-29 09:43:54,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:43:54,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2020-10-29 09:43:54,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044538909] [2020-10-29 09:43:54,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 47 states [2020-10-29 09:43:54,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:43:54,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2020-10-29 09:43:54,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=471, Invalid=1691, Unknown=0, NotChecked=0, Total=2162 [2020-10-29 09:43:54,102 INFO L87 Difference]: Start difference. First operand 172 states and 173 transitions. Second operand 47 states. [2020-10-29 09:43:59,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:43:59,382 INFO L93 Difference]: Finished difference Result 242 states and 263 transitions. [2020-10-29 09:43:59,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-10-29 09:43:59,383 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 169 [2020-10-29 09:43:59,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:43:59,385 INFO L225 Difference]: With dead ends: 242 [2020-10-29 09:43:59,385 INFO L226 Difference]: Without dead ends: 173 [2020-10-29 09:43:59,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1956 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=1436, Invalid=6936, Unknown=0, NotChecked=0, Total=8372 [2020-10-29 09:43:59,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-29 09:43:59,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2020-10-29 09:43:59,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-10-29 09:43:59,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 174 transitions. [2020-10-29 09:43:59,418 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 174 transitions. Word has length 169 [2020-10-29 09:43:59,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:43:59,419 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 174 transitions. [2020-10-29 09:43:59,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 47 states. [2020-10-29 09:43:59,419 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 174 transitions. [2020-10-29 09:43:59,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-29 09:43:59,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:43:59,420 INFO L422 BasicCegarLoop]: trace histogram [21, 20, 20, 20, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:43:59,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-10-29 09:43:59,420 INFO L429 AbstractCegarLoop]: === Iteration 44 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:43:59,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:43:59,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1078649662, now seen corresponding path program 39 times [2020-10-29 09:43:59,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:43:59,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [274880430] [2020-10-29 09:43:59,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:43:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:43:59,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:01,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:01,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-29 09:44:01,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:01,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1609 [2020-10-29 09:44:01,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:01,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:01,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-29 09:44:01,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:44:01,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 201 [2020-10-29 09:44:01,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:02,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:44:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:02,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:02,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:02,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:44:02,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:02,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:02,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:02,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:02,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:44:02,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:02,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:44:02,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:02,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:44:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:02,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:02,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:02,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:02,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:02,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:02,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:02,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:02,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:02,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:02,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:02,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:02,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 09:44:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:02,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:02,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:02,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:02,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:02,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:02,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:02,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:02,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:02,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:02,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:02,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:02,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 09:44:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:02,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:02,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:02,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:02,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:02,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:02,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:02,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:02,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:02,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:02,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:02,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:02,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 09:44:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:02,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:02,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:02,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:02,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:02,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:02,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:02,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:02,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:02,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:02,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:02,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:02,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 09:44:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:02,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:02,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:02,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:02,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:02,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:02,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:02,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:02,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:02,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:02,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:02,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:02,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 09:44:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:02,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:02,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:02,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:02,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:02,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:02,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:02,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:02,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:02,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:02,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:02,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:02,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 09:44:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:02,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:02,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:02,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:02,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:02,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:02,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:02,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:02,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:02,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:02,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:02,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:02,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 09:44:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:02,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:02,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:02,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:02,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:02,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:02,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:02,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:02,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:02,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:02,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:02,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:02,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 09:44:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:02,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:02,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:02,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:02,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:02,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:02,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:02,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:02,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:02,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:02,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:02,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:02,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-29 09:44:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:02,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:02,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:02,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:02,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:02,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:02,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:02,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:02,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:02,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:02,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:02,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:02,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 09:44:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:02,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:02,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:02,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:02,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:02,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:02,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:02,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:02,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:02,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 09:44:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:02,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:02,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:02,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:02,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:02,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:02,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:02,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:02,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:02,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:02,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:02,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:02,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 09:44:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:02,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:02,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:02,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:02,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:02,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:02,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:02,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:02,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:02,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:02,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:02,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:02,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-29 09:44:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:02,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:02,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:02,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:02,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:02,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:02,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:02,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:02,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:02,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:02,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:02,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:02,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-29 09:44:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:02,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:02,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:02,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:02,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:02,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:02,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:02,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:02,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:02,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:02,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:02,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:02,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-29 09:44:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:02,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:02,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:02,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:02,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:02,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:02,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:02,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:02,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:02,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:02,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:02,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:02,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-29 09:44:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:02,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:02,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:02,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:02,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:02,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:02,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:02,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:02,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:02,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:02,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:02,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:02,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-29 09:44:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:02,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:02,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:02,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:02,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:02,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:02,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:02,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:02,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:02,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:02,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:02,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:02,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-29 09:44:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:02,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:02,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:02,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:02,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:02,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:02,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:02,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:02,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:02,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:02,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:02,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:02,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1504 backedges. 248 proven. 572 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-29 09:44:02,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [274880430] [2020-10-29 09:44:02,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:44:02,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2020-10-29 09:44:02,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312095134] [2020-10-29 09:44:02,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 46 states [2020-10-29 09:44:02,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:44:02,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2020-10-29 09:44:02,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=489, Invalid=1581, Unknown=0, NotChecked=0, Total=2070 [2020-10-29 09:44:02,517 INFO L87 Difference]: Start difference. First operand 173 states and 174 transitions. Second operand 46 states. [2020-10-29 09:44:06,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:44:06,376 INFO L93 Difference]: Finished difference Result 188 states and 190 transitions. [2020-10-29 09:44:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-29 09:44:06,377 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 170 [2020-10-29 09:44:06,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:44:06,379 INFO L225 Difference]: With dead ends: 188 [2020-10-29 09:44:06,379 INFO L226 Difference]: Without dead ends: 184 [2020-10-29 09:44:06,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1741 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=2303, Invalid=5529, Unknown=0, NotChecked=0, Total=7832 [2020-10-29 09:44:06,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-10-29 09:44:06,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 180. [2020-10-29 09:44:06,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-10-29 09:44:06,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 181 transitions. [2020-10-29 09:44:06,407 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 181 transitions. Word has length 170 [2020-10-29 09:44:06,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:44:06,407 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 181 transitions. [2020-10-29 09:44:06,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 46 states. [2020-10-29 09:44:06,408 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 181 transitions. [2020-10-29 09:44:06,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-29 09:44:06,409 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:44:06,409 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:44:06,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-10-29 09:44:06,409 INFO L429 AbstractCegarLoop]: === Iteration 45 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:44:06,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:44:06,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1790603829, now seen corresponding path program 40 times [2020-10-29 09:44:06,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:44:06,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1118974275] [2020-10-29 09:44:06,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:44:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:06,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:08,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:08,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-29 09:44:08,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:08,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1895 [2020-10-29 09:44:08,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:08,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:08,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-29 09:44:08,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:44:08,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 210 [2020-10-29 09:44:08,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:10,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:44:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:10,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:10,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:10,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:44:10,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:10,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:10,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:10,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:10,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:44:10,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:10,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:44:10,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:10,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:44:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:10,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:10,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:10,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:10,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:10,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:10,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:10,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:10,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:10,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:10,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:10,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:10,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 09:44:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:10,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:10,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:10,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:10,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:10,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:10,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:10,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:10,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:10,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:10,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:10,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:10,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 09:44:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:10,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:10,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:10,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:10,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:10,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:10,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:10,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:10,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:10,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:10,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:10,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:10,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 09:44:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:10,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:10,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:10,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:10,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:10,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:10,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:10,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:10,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:10,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:10,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:10,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:10,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 09:44:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:10,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:10,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:10,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:10,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:10,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:10,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:10,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:10,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:10,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:10,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:10,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:10,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 09:44:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:10,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:10,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:10,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:10,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:10,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:10,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:10,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:10,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:10,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:10,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:10,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:10,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 09:44:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:10,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:10,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:10,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:10,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:10,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:10,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:10,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:10,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:10,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:10,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:10,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:10,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 09:44:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:10,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:10,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:10,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:10,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:10,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:10,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:10,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:10,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:10,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:10,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:10,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:10,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 09:44:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:10,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:10,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:10,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:10,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:10,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:10,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:10,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:10,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:10,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:10,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:10,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:10,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-29 09:44:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:10,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:10,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:10,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:10,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:10,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:10,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:10,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:10,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:10,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:10,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:10,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:10,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 09:44:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:10,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:10,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:10,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:10,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:10,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:10,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:10,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:10,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:10,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:10,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:10,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:10,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-29 09:44:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:10,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:10,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:10,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:10,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:10,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:10,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:10,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:10,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:10,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:10,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:10,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:10,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 09:44:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:10,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:10,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:10,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:10,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:10,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:10,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:10,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:10,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:10,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:10,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:10,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:10,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-29 09:44:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:10,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:10,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:10,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:10,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:10,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:10,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:10,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:10,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:10,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:10,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:10,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:10,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-29 09:44:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:10,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:10,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:10,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:10,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:10,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:10,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:10,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:10,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:10,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:10,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:10,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:10,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-29 09:44:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:10,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:10,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:10,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:10,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:10,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:10,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:10,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:10,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:10,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:10,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:10,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:10,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-29 09:44:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:10,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:10,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:10,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:10,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:10,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:10,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:10,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:10,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:10,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:10,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:10,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:10,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-29 09:44:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:10,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:10,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:10,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:10,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:10,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:10,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:10,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:10,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:10,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:10,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:10,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:10,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-29 09:44:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:10,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:10,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:10,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:10,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:10,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:10,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:10,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:10,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:10,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:10,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:10,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:10,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-29 09:44:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:10,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:10,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:10,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:10,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:10,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:10,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:10,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:10,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:10,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:10,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:10,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:10,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1641 backedges. 630 proven. 251 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-29 09:44:10,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1118974275] [2020-10-29 09:44:10,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:44:10,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2020-10-29 09:44:10,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541704590] [2020-10-29 09:44:10,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 49 states [2020-10-29 09:44:10,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:44:10,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2020-10-29 09:44:10,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=1856, Unknown=0, NotChecked=0, Total=2352 [2020-10-29 09:44:10,490 INFO L87 Difference]: Start difference. First operand 180 states and 181 transitions. Second operand 49 states. [2020-10-29 09:44:16,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:44:16,111 INFO L93 Difference]: Finished difference Result 253 states and 275 transitions. [2020-10-29 09:44:16,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-29 09:44:16,112 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 177 [2020-10-29 09:44:16,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:44:16,114 INFO L225 Difference]: With dead ends: 253 [2020-10-29 09:44:16,115 INFO L226 Difference]: Without dead ends: 181 [2020-10-29 09:44:16,116 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2115 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=1511, Invalid=7609, Unknown=0, NotChecked=0, Total=9120 [2020-10-29 09:44:16,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-10-29 09:44:16,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2020-10-29 09:44:16,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-29 09:44:16,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 182 transitions. [2020-10-29 09:44:16,149 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 182 transitions. Word has length 177 [2020-10-29 09:44:16,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:44:16,149 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 182 transitions. [2020-10-29 09:44:16,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 49 states. [2020-10-29 09:44:16,150 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 182 transitions. [2020-10-29 09:44:16,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-29 09:44:16,151 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:44:16,151 INFO L422 BasicCegarLoop]: trace histogram [22, 21, 21, 21, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:44:16,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-10-29 09:44:16,151 INFO L429 AbstractCegarLoop]: === Iteration 46 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:44:16,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:44:16,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1505976513, now seen corresponding path program 41 times [2020-10-29 09:44:16,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:44:16,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [850766989] [2020-10-29 09:44:16,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:44:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:16,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:17,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:17,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-29 09:44:17,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:17,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1594 [2020-10-29 09:44:17,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:17,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:17,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-29 09:44:17,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:44:17,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 211 [2020-10-29 09:44:17,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:19,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:44:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:19,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:19,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:19,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:44:19,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:19,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:19,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:19,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:19,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:44:19,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:19,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:44:19,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:19,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 09:44:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:19,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:19,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:19,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:19,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:19,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:19,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:19,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:19,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:19,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:19,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:19,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:19,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 09:44:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:19,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:19,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:19,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:19,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:19,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:19,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:19,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:19,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:19,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:19,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:19,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:19,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 09:44:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:19,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:19,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:19,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:19,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:19,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:19,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:19,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:19,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:19,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:19,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:19,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:19,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 09:44:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:19,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:19,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:19,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:19,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:19,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:19,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:19,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:19,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:19,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:19,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:19,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:19,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 09:44:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:19,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:19,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:19,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:19,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:19,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:19,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:19,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:19,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:19,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:19,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:19,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:19,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 09:44:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:19,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:19,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:19,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:19,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:19,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:19,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:19,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:19,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:19,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:19,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:19,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:19,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-29 09:44:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:19,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:19,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:19,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:19,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:19,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:19,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:19,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:19,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:19,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:19,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:19,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:19,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 09:44:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:19,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:19,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:19,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:19,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:19,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:19,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:19,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:19,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:19,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:19,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:19,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:19,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-29 09:44:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:19,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:19,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:19,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:19,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:19,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:19,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:19,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:19,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:19,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:19,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:19,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:19,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 09:44:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:19,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:19,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:19,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:19,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:19,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:19,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:19,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:19,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:19,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:19,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:19,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:19,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-29 09:44:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:19,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:19,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:19,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:19,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:19,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:19,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:19,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:19,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:19,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:19,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:19,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:19,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-29 09:44:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:19,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:19,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:19,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:19,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:19,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:19,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:19,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:19,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:19,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:19,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:19,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:19,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-29 09:44:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:19,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:19,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:19,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:19,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:19,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:19,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:19,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:19,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:19,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:19,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:19,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:19,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 09:44:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:19,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:19,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:19,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:19,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:19,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:19,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:19,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:19,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:19,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:19,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:19,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:19,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-29 09:44:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:19,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:19,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:19,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:19,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:19,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:19,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:19,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:19,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:19,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:19,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:19,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:19,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-29 09:44:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:19,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:19,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:19,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:19,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:19,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:19,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:19,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:19,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:19,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:19,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:19,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:19,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-29 09:44:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:19,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:19,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:19,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:19,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:19,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:19,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:19,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:19,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:19,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:19,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:19,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:19,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-29 09:44:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:19,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:19,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:19,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:19,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:19,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:19,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:19,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:19,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:19,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:19,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:19,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-29 09:44:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:19,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:19,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:19,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:19,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:19,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:19,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:19,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:19,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:19,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:19,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:19,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:19,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-29 09:44:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:19,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:19,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:19,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:19,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:19,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:19,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:19,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:19,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:19,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1663 backedges. 271 proven. 632 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-29 09:44:19,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [850766989] [2020-10-29 09:44:19,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:44:19,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2020-10-29 09:44:19,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659660403] [2020-10-29 09:44:19,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 48 states [2020-10-29 09:44:19,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:44:19,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2020-10-29 09:44:19,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=534, Invalid=1722, Unknown=0, NotChecked=0, Total=2256 [2020-10-29 09:44:19,429 INFO L87 Difference]: Start difference. First operand 181 states and 182 transitions. Second operand 48 states. [2020-10-29 09:44:23,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:44:23,661 INFO L93 Difference]: Finished difference Result 196 states and 198 transitions. [2020-10-29 09:44:23,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-29 09:44:23,663 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 178 [2020-10-29 09:44:23,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:44:23,665 INFO L225 Difference]: With dead ends: 196 [2020-10-29 09:44:23,665 INFO L226 Difference]: Without dead ends: 192 [2020-10-29 09:44:23,666 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1978 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=2527, Invalid=6215, Unknown=0, NotChecked=0, Total=8742 [2020-10-29 09:44:23,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-10-29 09:44:23,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 188. [2020-10-29 09:44:23,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-10-29 09:44:23,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 189 transitions. [2020-10-29 09:44:23,697 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 189 transitions. Word has length 178 [2020-10-29 09:44:23,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:44:23,698 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 189 transitions. [2020-10-29 09:44:23,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 48 states. [2020-10-29 09:44:23,698 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 189 transitions. [2020-10-29 09:44:23,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-29 09:44:23,699 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:44:23,699 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:44:23,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-10-29 09:44:23,699 INFO L429 AbstractCegarLoop]: === Iteration 47 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:44:23,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:44:23,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1753113364, now seen corresponding path program 42 times [2020-10-29 09:44:23,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:44:23,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1176009802] [2020-10-29 09:44:23,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:44:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:23,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:25,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:25,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-29 09:44:25,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:25,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1873 [2020-10-29 09:44:25,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:25,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:25,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-29 09:44:25,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:44:25,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 220 [2020-10-29 09:44:25,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:44:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:27,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:27,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:27,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:44:27,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:27,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:27,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:27,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:27,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:44:27,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:27,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:44:27,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 09:44:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:27,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:27,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:27,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:27,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:27,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:27,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:27,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:27,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:27,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:27,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:27,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 09:44:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:27,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:27,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:27,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:27,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:27,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:27,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:27,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:27,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:27,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:27,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:27,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 09:44:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:27,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:27,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:27,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:27,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:27,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:27,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:27,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:27,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:27,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:27,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:27,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 09:44:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:27,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:27,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:27,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:27,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:27,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:27,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:27,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:27,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:27,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:27,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:27,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 09:44:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:27,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:27,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:27,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:27,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:27,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:27,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:27,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:27,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:27,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:27,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:27,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 09:44:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:27,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:27,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:27,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:27,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:27,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:27,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:27,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:27,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:27,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:27,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:27,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-29 09:44:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:27,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:27,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:27,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:27,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:27,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:27,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:27,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:27,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:27,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:27,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:27,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 09:44:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:27,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:27,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:27,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:27,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:27,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:27,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:27,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:27,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:27,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:27,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:27,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-29 09:44:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:27,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:27,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:27,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:27,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:27,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:27,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:27,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:27,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:27,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:27,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:27,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 09:44:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:27,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:27,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:27,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:27,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:27,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:27,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:27,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:27,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:27,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:27,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:27,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-29 09:44:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:27,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:27,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:27,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:27,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:27,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:27,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:27,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:27,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:27,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:27,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:27,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-29 09:44:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:27,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:27,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:27,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:27,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:27,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:27,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:27,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:27,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:27,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:27,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:27,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-29 09:44:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:27,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:27,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:27,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:27,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:27,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:27,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:27,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:27,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:27,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:27,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:27,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 09:44:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:27,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:27,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:27,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:27,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:27,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:27,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:27,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:27,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:27,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:27,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:27,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-29 09:44:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:27,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:27,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:27,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:27,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:27,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:27,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:27,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:27,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:27,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:27,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:27,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-29 09:44:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:27,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:27,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:27,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:27,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:27,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:27,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:27,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:27,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:27,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:27,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:27,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-29 09:44:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:27,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:27,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:27,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:27,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:27,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:27,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:27,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:27,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:27,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:27,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:27,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-29 09:44:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:27,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:27,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:27,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:27,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:27,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:27,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:27,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:27,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:27,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:27,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:27,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-29 09:44:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:27,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:27,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:27,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:27,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:27,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:27,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:27,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:27,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:27,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:27,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:27,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-29 09:44:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:27,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:27,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:27,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:27,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:27,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:27,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:27,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:27,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:27,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:27,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:27,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-29 09:44:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:27,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:27,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:27,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:27,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:27,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:27,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:27,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:27,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:27,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:27,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:27,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:27,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1807 backedges. 693 proven. 274 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-29 09:44:27,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1176009802] [2020-10-29 09:44:27,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:44:27,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2020-10-29 09:44:27,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344553519] [2020-10-29 09:44:27,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-10-29 09:44:27,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:44:27,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-10-29 09:44:27,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=561, Invalid=1989, Unknown=0, NotChecked=0, Total=2550 [2020-10-29 09:44:27,869 INFO L87 Difference]: Start difference. First operand 188 states and 189 transitions. Second operand 51 states. [2020-10-29 09:44:33,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:44:33,902 INFO L93 Difference]: Finished difference Result 264 states and 287 transitions. [2020-10-29 09:44:33,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-10-29 09:44:33,903 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 185 [2020-10-29 09:44:33,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:44:33,905 INFO L225 Difference]: With dead ends: 264 [2020-10-29 09:44:33,905 INFO L226 Difference]: Without dead ends: 189 [2020-10-29 09:44:33,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2260 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=1703, Invalid=7999, Unknown=0, NotChecked=0, Total=9702 [2020-10-29 09:44:33,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-10-29 09:44:33,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2020-10-29 09:44:33,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-10-29 09:44:33,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 190 transitions. [2020-10-29 09:44:33,943 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 190 transitions. Word has length 185 [2020-10-29 09:44:33,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:44:33,943 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 190 transitions. [2020-10-29 09:44:33,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 51 states. [2020-10-29 09:44:33,943 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 190 transitions. [2020-10-29 09:44:33,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-29 09:44:33,944 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:44:33,944 INFO L422 BasicCegarLoop]: trace histogram [23, 22, 22, 22, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:44:33,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-10-29 09:44:33,945 INFO L429 AbstractCegarLoop]: === Iteration 48 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:44:33,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:44:33,945 INFO L82 PathProgramCache]: Analyzing trace with hash -735058402, now seen corresponding path program 43 times [2020-10-29 09:44:33,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:44:33,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1265834963] [2020-10-29 09:44:33,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:44:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:34,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:35,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:35,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-29 09:44:35,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:35,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1707 [2020-10-29 09:44:35,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:35,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:35,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-29 09:44:35,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:44:35,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 221 [2020-10-29 09:44:35,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:44:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:37,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:37,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:37,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:44:37,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:37,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:37,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:37,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:37,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:44:37,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:37,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:44:37,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 09:44:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:37,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:37,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:37,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:37,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:37,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:37,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:37,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:37,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:37,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:37,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:37,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 09:44:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:37,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:37,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:37,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:37,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:37,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:37,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:37,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:37,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:37,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:37,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:37,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 09:44:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:37,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:37,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:37,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:37,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:37,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:37,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:37,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:37,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:37,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:37,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:37,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 09:44:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:37,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:37,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:37,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:37,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:37,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:37,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:37,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:37,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:37,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:37,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:37,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 09:44:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:37,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:37,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:37,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:37,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:37,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:37,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:37,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:37,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:37,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:37,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:37,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 09:44:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:37,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:37,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:37,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:37,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:37,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:37,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:37,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:37,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:37,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:37,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:37,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 09:44:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:37,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:37,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:37,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:37,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:37,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:37,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:37,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:37,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:37,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:37,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:37,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 09:44:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:37,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:37,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:37,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:37,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:37,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:37,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:37,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:37,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:37,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:37,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:37,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 09:44:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:37,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:37,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:37,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:37,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:37,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:37,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:37,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:37,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:37,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:37,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:37,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-29 09:44:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:37,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:37,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:37,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:37,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:37,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:37,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:37,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:37,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:37,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:37,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:37,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 09:44:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:37,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:37,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:37,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:37,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:37,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:37,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:37,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:37,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:37,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:37,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:37,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-29 09:44:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:37,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:37,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:37,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:37,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:37,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:37,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:37,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:37,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:37,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:37,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:37,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 09:44:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:37,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:37,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:37,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:37,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:37,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:37,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:37,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:37,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:37,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:37,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:37,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 09:44:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:37,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:37,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:37,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:37,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:37,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:37,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:37,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:37,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:37,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:37,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:37,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-29 09:44:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:37,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:37,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:37,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:37,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:37,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:37,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:37,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:37,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:37,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:37,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:37,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-29 09:44:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:37,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:37,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:37,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:37,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:37,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:37,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:37,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:37,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:37,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:37,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:37,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 09:44:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:37,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:37,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:37,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:37,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:37,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:37,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:37,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:37,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:37,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:37,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:37,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-29 09:44:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:37,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:37,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:37,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:37,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:37,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:37,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:37,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:37,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:37,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:37,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:37,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-29 09:44:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:37,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:37,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:37,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:37,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:37,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:37,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:37,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:37,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:37,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:37,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:37,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-29 09:44:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:37,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:37,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:37,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:37,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:37,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:37,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:37,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:37,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:37,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:37,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:37,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-29 09:44:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:37,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:37,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:37,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:37,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:37,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:37,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:37,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:37,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:37,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:37,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:37,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:37,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 295 proven. 695 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-29 09:44:37,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1265834963] [2020-10-29 09:44:37,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:44:37,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2020-10-29 09:44:37,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841484207] [2020-10-29 09:44:37,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-10-29 09:44:37,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:44:37,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-10-29 09:44:37,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=581, Invalid=1869, Unknown=0, NotChecked=0, Total=2450 [2020-10-29 09:44:37,542 INFO L87 Difference]: Start difference. First operand 189 states and 190 transitions. Second operand 50 states. [2020-10-29 09:44:41,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:44:41,955 INFO L93 Difference]: Finished difference Result 204 states and 206 transitions. [2020-10-29 09:44:41,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-29 09:44:41,957 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 186 [2020-10-29 09:44:41,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:44:41,958 INFO L225 Difference]: With dead ends: 204 [2020-10-29 09:44:41,958 INFO L226 Difference]: Without dead ends: 200 [2020-10-29 09:44:41,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2091 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=2751, Invalid=6561, Unknown=0, NotChecked=0, Total=9312 [2020-10-29 09:44:41,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-10-29 09:44:41,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 196. [2020-10-29 09:44:41,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-10-29 09:44:41,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 197 transitions. [2020-10-29 09:44:41,994 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 197 transitions. Word has length 186 [2020-10-29 09:44:41,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:44:41,995 INFO L481 AbstractCegarLoop]: Abstraction has 196 states and 197 transitions. [2020-10-29 09:44:41,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-10-29 09:44:41,995 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 197 transitions. [2020-10-29 09:44:41,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-29 09:44:41,996 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:44:41,996 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:44:41,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-10-29 09:44:41,997 INFO L429 AbstractCegarLoop]: === Iteration 49 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:44:41,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:44:41,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1117156181, now seen corresponding path program 44 times [2020-10-29 09:44:41,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:44:41,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [85629603] [2020-10-29 09:44:41,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:44:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:42,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:44,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:44,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-29 09:44:44,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:44,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2112 [2020-10-29 09:44:44,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:44,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-29 09:44:44,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:44:44,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 230 [2020-10-29 09:44:44,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:44:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:44:46,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:46,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:44:46,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:44:46,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 09:44:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:46,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:46,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:46,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:46,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 09:44:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:46,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:46,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:46,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:46,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 09:44:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:46,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:46,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:46,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:46,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 09:44:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:46,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:46,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:46,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 09:44:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:46,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:46,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:46,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:46,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 09:44:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:46,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:46,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:46,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:46,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 09:44:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:46,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:46,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:46,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 09:44:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:46,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:46,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:46,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:46,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 09:44:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:46,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:46,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:46,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:46,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-29 09:44:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:46,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:46,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:46,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:46,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-29 09:44:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:46,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:46,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:46,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:46,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-29 09:44:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:46,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:46,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:46,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:46,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-29 09:44:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:46,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:46,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:46,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:46,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 09:44:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:46,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:46,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:46,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:46,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-29 09:44:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:46,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:46,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:46,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:46,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-29 09:44:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:46,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:46,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:46,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:46,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 09:44:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:46,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:46,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:46,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:46,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-29 09:44:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:46,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:46,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:46,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:46,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-29 09:44:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:46,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:46,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:46,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:46,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-29 09:44:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:46,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:46,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:46,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:46,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-29 09:44:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:46,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:46,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:46,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:46,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-29 09:44:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:46,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:46,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:46,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:46,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:46,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:46,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:46,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:46,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:46,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 759 proven. 298 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-29 09:44:46,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [85629603] [2020-10-29 09:44:46,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:44:46,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2020-10-29 09:44:46,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690084150] [2020-10-29 09:44:46,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 53 states [2020-10-29 09:44:46,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:44:46,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2020-10-29 09:44:46,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=632, Invalid=2124, Unknown=0, NotChecked=0, Total=2756 [2020-10-29 09:44:46,501 INFO L87 Difference]: Start difference. First operand 196 states and 197 transitions. Second operand 53 states. [2020-10-29 09:44:52,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:44:52,862 INFO L93 Difference]: Finished difference Result 275 states and 299 transitions. [2020-10-29 09:44:52,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-29 09:44:52,864 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 193 [2020-10-29 09:44:52,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:44:52,866 INFO L225 Difference]: With dead ends: 275 [2020-10-29 09:44:52,866 INFO L226 Difference]: Without dead ends: 197 [2020-10-29 09:44:52,868 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2482 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=1917, Invalid=8589, Unknown=0, NotChecked=0, Total=10506 [2020-10-29 09:44:52,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-10-29 09:44:52,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2020-10-29 09:44:52,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-29 09:44:52,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 198 transitions. [2020-10-29 09:44:52,904 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 198 transitions. Word has length 193 [2020-10-29 09:44:52,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:44:52,904 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 198 transitions. [2020-10-29 09:44:52,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 53 states. [2020-10-29 09:44:52,904 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 198 transitions. [2020-10-29 09:44:52,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-29 09:44:52,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:44:52,906 INFO L422 BasicCegarLoop]: trace histogram [24, 23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:44:52,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-10-29 09:44:52,906 INFO L429 AbstractCegarLoop]: === Iteration 50 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:44:52,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:44:52,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1019300959, now seen corresponding path program 45 times [2020-10-29 09:44:52,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:44:52,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [274131994] [2020-10-29 09:44:52,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:44:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:52,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:54,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:54,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-29 09:44:54,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:54,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1751 [2020-10-29 09:44:54,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:54,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:54,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-29 09:44:54,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:44:54,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 231 [2020-10-29 09:44:54,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:44:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:44:56,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:56,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:44:56,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:44:56,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 09:44:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:56,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:56,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:56,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:56,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 09:44:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:56,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:56,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:56,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:56,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 09:44:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:56,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:56,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:56,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:56,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 09:44:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:56,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:56,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:56,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:56,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-29 09:44:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:56,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:56,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:56,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:56,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 09:44:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:56,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:56,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:56,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:56,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 09:44:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:56,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:56,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:56,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:56,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-29 09:44:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:56,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:56,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:56,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:56,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-29 09:44:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:56,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:56,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:56,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:56,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 09:44:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:56,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:56,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:56,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:56,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 09:44:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:56,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:56,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:56,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:56,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-29 09:44:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:56,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:56,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:56,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:56,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 09:44:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:56,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:56,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:56,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:56,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-29 09:44:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:56,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:56,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:56,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:56,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-29 09:44:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:56,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:56,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:56,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:56,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 09:44:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:56,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:56,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:56,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:56,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-29 09:44:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:56,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:56,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:56,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:56,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-29 09:44:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:56,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:56,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:56,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:56,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-29 09:44:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:56,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:56,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:56,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:56,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-29 09:44:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:56,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:56,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:56,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:56,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-29 09:44:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:56,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:44:56,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:56,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:56,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-29 09:44:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:44:56,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:44:56,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:44:56,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:44:56,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:44:56,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:44:56,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:44:56,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:44:56,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:44:56,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:44:56,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:44:56,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:44:56,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2005 backedges. 320 proven. 761 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-29 09:44:56,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [274131994] [2020-10-29 09:44:56,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:44:56,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2020-10-29 09:44:56,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050313877] [2020-10-29 09:44:56,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 52 states [2020-10-29 09:44:56,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:44:56,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2020-10-29 09:44:56,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=2022, Unknown=0, NotChecked=0, Total=2652 [2020-10-29 09:44:56,815 INFO L87 Difference]: Start difference. First operand 197 states and 198 transitions. Second operand 52 states. [2020-10-29 09:45:01,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:45:01,843 INFO L93 Difference]: Finished difference Result 212 states and 214 transitions. [2020-10-29 09:45:01,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-10-29 09:45:01,844 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 194 [2020-10-29 09:45:01,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:45:01,846 INFO L225 Difference]: With dead ends: 212 [2020-10-29 09:45:01,846 INFO L226 Difference]: Without dead ends: 208 [2020-10-29 09:45:01,847 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2278 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=2990, Invalid=7110, Unknown=0, NotChecked=0, Total=10100 [2020-10-29 09:45:01,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-10-29 09:45:01,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 204. [2020-10-29 09:45:01,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-10-29 09:45:01,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 205 transitions. [2020-10-29 09:45:01,878 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 205 transitions. Word has length 194 [2020-10-29 09:45:01,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:45:01,879 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 205 transitions. [2020-10-29 09:45:01,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 52 states. [2020-10-29 09:45:01,879 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 205 transitions. [2020-10-29 09:45:01,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-29 09:45:01,880 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:45:01,880 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:45:01,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2020-10-29 09:45:01,881 INFO L429 AbstractCegarLoop]: === Iteration 51 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:45:01,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:45:01,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1559409140, now seen corresponding path program 46 times [2020-10-29 09:45:01,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:45:01,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [226158953] [2020-10-29 09:45:01,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:45:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:01,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:04,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:04,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-29 09:45:04,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:04,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2113 [2020-10-29 09:45:04,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:04,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:04,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-29 09:45:04,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:45:04,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 240 [2020-10-29 09:45:04,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:45:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:45:06,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:45:06,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:45:06,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:45:06,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 09:45:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:06,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 09:45:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:45:06,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 09:45:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:45:06,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 09:45:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:45:06,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-29 09:45:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:06,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 09:45:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:06,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 09:45:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:06,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-29 09:45:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:06,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-29 09:45:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:06,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 09:45:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:06,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 09:45:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:06,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-29 09:45:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:06,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 09:45:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:06,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-29 09:45:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:06,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-29 09:45:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:06,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 09:45:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:06,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-29 09:45:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:06,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-29 09:45:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:06,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-29 09:45:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:06,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-29 09:45:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:06,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-29 09:45:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:06,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-29 09:45:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:06,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-29 09:45:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:06,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:06,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:06,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:06,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:06,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:06,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:06,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:06,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:06,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:06,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:06,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:06,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2163 backedges. 828 proven. 323 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-29 09:45:06,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [226158953] [2020-10-29 09:45:06,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:45:06,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2020-10-29 09:45:06,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798932792] [2020-10-29 09:45:06,770 INFO L461 AbstractCegarLoop]: Interpolant automaton has 55 states [2020-10-29 09:45:06,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:45:06,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2020-10-29 09:45:06,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=659, Invalid=2311, Unknown=0, NotChecked=0, Total=2970 [2020-10-29 09:45:06,771 INFO L87 Difference]: Start difference. First operand 204 states and 205 transitions. Second operand 55 states. [2020-10-29 09:45:13,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:45:13,901 INFO L93 Difference]: Finished difference Result 286 states and 311 transitions. [2020-10-29 09:45:13,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-29 09:45:13,902 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 201 [2020-10-29 09:45:13,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:45:13,905 INFO L225 Difference]: With dead ends: 286 [2020-10-29 09:45:13,905 INFO L226 Difference]: Without dead ends: 205 [2020-10-29 09:45:13,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2732 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=2004, Invalid=9552, Unknown=0, NotChecked=0, Total=11556 [2020-10-29 09:45:13,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-10-29 09:45:13,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2020-10-29 09:45:13,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-29 09:45:13,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 206 transitions. [2020-10-29 09:45:13,952 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 206 transitions. Word has length 201 [2020-10-29 09:45:13,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:45:13,953 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 206 transitions. [2020-10-29 09:45:13,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 55 states. [2020-10-29 09:45:13,953 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 206 transitions. [2020-10-29 09:45:13,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-29 09:45:13,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:45:13,955 INFO L422 BasicCegarLoop]: trace histogram [25, 24, 24, 24, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:45:13,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2020-10-29 09:45:13,956 INFO L429 AbstractCegarLoop]: === Iteration 52 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:45:13,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:45:13,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1507909886, now seen corresponding path program 47 times [2020-10-29 09:45:13,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:45:13,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628686740] [2020-10-29 09:45:13,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:45:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:14,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:16,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:16,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-10-29 09:45:16,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:16,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2116 [2020-10-29 09:45:16,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:16,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:16,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-29 09:45:16,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 09:45:16,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 241 [2020-10-29 09:45:16,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:45:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:45:18,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:45:18,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:45:18,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 09:45:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 09:45:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 09:45:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-29 09:45:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 09:45:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:45:18,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-29 09:45:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 09:45:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-29 09:45:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 09:45:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-29 09:45:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 09:45:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-29 09:45:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-29 09:45:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-29 09:45:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-29 09:45:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-29 09:45:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-29 09:45:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-29 09:45:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-29 09:45:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-29 09:45:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-29 09:45:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-29 09:45:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-29 09:45:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:45:18,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:45:18,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:45:18,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:45:18,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:45:18,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 09:45:18,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:45:18,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:45:18,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:45:18,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:45:18,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:45:18,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:45:18,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2188 backedges. 346 proven. 830 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-29 09:45:18,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628686740] [2020-10-29 09:45:18,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:45:18,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2020-10-29 09:45:18,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563921172] [2020-10-29 09:45:18,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 54 states [2020-10-29 09:45:18,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:45:18,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2020-10-29 09:45:18,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=681, Invalid=2181, Unknown=0, NotChecked=0, Total=2862 [2020-10-29 09:45:18,356 INFO L87 Difference]: Start difference. First operand 205 states and 206 transitions. Second operand 54 states.