/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=SHALLOWEST --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/eca-rers2012/Problem11_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 22:41:48,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 22:41:48,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 22:41:48,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 22:41:48,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 22:41:48,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 22:41:48,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 22:41:48,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 22:41:48,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 22:41:48,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 22:41:48,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 22:41:48,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 22:41:48,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 22:41:48,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 22:41:48,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 22:41:48,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 22:41:48,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 22:41:48,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 22:41:48,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 22:41:48,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 22:41:48,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 22:41:48,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 22:41:48,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 22:41:48,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 22:41:48,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 22:41:48,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 22:41:48,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 22:41:48,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 22:41:48,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 22:41:48,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 22:41:48,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 22:41:48,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 22:41:48,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 22:41:48,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 22:41:48,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 22:41:48,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 22:41:48,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 22:41:48,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 22:41:48,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 22:41:48,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 22:41:48,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 22:41:48,435 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 [2020-10-26 22:41:48,468 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 22:41:48,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 22:41:48,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 22:41:48,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 22:41:48,472 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 22:41:48,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 22:41:48,473 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 22:41:48,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 22:41:48,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 22:41:48,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 22:41:48,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 22:41:48,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 22:41:48,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 22:41:48,476 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 22:41:48,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 22:41:48,476 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 22:41:48,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 22:41:48,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 22:41:48,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 22:41:48,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 22:41:48,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 22:41:48,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 22:41:48,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 22:41:48,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 22:41:48,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 22:41:48,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 22:41:48,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 22:41:48,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 22:41:48,480 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 22:41:48,480 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 22:41:48,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 22:41:49,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 22:41:49,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 22:41:49,009 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 22:41:49,009 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 22:41:49,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label39.c [2020-10-26 22:41:49,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5ac62b61/1cc78eb045a14d74a9cc3958505067b9/FLAG0d1524a8e [2020-10-26 22:41:49,989 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 22:41:49,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label39.c [2020-10-26 22:41:50,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5ac62b61/1cc78eb045a14d74a9cc3958505067b9/FLAG0d1524a8e [2020-10-26 22:41:50,140 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5ac62b61/1cc78eb045a14d74a9cc3958505067b9 [2020-10-26 22:41:50,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 22:41:50,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 22:41:50,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 22:41:50,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 22:41:50,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 22:41:50,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:41:50" (1/1) ... [2020-10-26 22:41:50,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70f5a54a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:50, skipping insertion in model container [2020-10-26 22:41:50,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:41:50" (1/1) ... [2020-10-26 22:41:50,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 22:41:50,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 22:41:50,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:41:50,908 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 22:41:51,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:41:51,173 INFO L208 MainTranslator]: Completed translation [2020-10-26 22:41:51,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:51 WrapperNode [2020-10-26 22:41:51,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 22:41:51,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 22:41:51,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 22:41:51,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 22:41:51,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:51" (1/1) ... [2020-10-26 22:41:51,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:51" (1/1) ... [2020-10-26 22:41:51,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:51" (1/1) ... [2020-10-26 22:41:51,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:51" (1/1) ... [2020-10-26 22:41:51,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:51" (1/1) ... [2020-10-26 22:41:51,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:51" (1/1) ... [2020-10-26 22:41:51,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:51" (1/1) ... [2020-10-26 22:41:51,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 22:41:51,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 22:41:51,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 22:41:51,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 22:41:51,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:51" (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 [2020-10-26 22:41:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 22:41:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 22:41:51,444 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 22:41:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 22:41:51,445 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 22:41:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 22:41:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 22:41:51,445 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 22:41:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 22:41:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 22:41:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 22:41:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 22:41:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 22:41:51,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 22:41:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 22:41:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 22:41:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 22:41:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 22:41:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 22:41:54,096 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 22:41:54,096 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 22:41:54,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:41:54 BoogieIcfgContainer [2020-10-26 22:41:54,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 22:41:54,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 22:41:54,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 22:41:54,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 22:41:54,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:41:50" (1/3) ... [2020-10-26 22:41:54,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57da6654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:41:54, skipping insertion in model container [2020-10-26 22:41:54,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:51" (2/3) ... [2020-10-26 22:41:54,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57da6654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:41:54, skipping insertion in model container [2020-10-26 22:41:54,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:41:54" (3/3) ... [2020-10-26 22:41:54,109 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label39.c [2020-10-26 22:41:54,123 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 22:41:54,130 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 22:41:54,146 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 22:41:54,180 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 22:41:54,181 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 22:41:54,181 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 22:41:54,181 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 22:41:54,181 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 22:41:54,182 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 22:41:54,182 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 22:41:54,182 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 22:41:54,209 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-26 22:41:54,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-26 22:41:54,217 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:41:54,218 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:41:54,219 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:41:54,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:41:54,226 INFO L82 PathProgramCache]: Analyzing trace with hash -238088250, now seen corresponding path program 1 times [2020-10-26 22:41:54,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:41:54,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [218481844] [2020-10-26 22:41:54,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:41:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:41:54,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:41:54,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:41:54,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-26 22:41:54,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:41:54,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 558 [2020-10-26 22:41:54,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:41:54,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:41:54,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:41:54,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-26 22:41:54,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-26 22:41:55,223 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-26 22:41:55,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:41:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:41:55,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:41:55,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:41:55,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:41:55,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:41:55,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-26 22:41:55,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:41:55,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:41:55,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:41:55,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:41:55,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 22:41:55,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:41:55,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [218481844] [2020-10-26 22:41:55,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:41:55,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 22:41:55,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847005763] [2020-10-26 22:41:55,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 22:41:55,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:41:55,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 22:41:55,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 22:41:55,354 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-26 22:41:55,572 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-26 22:41:58,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:41:58,719 INFO L93 Difference]: Finished difference Result 798 states and 1400 transitions. [2020-10-26 22:41:58,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:41:58,722 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-26 22:41:58,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:41:58,756 INFO L225 Difference]: With dead ends: 798 [2020-10-26 22:41:58,756 INFO L226 Difference]: Without dead ends: 438 [2020-10-26 22:41:58,773 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:41:58,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-10-26 22:41:58,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 423. [2020-10-26 22:41:58,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2020-10-26 22:41:58,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 674 transitions. [2020-10-26 22:41:58,864 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 674 transitions. Word has length 17 [2020-10-26 22:41:58,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:41:58,865 INFO L481 AbstractCegarLoop]: Abstraction has 423 states and 674 transitions. [2020-10-26 22:41:58,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 22:41:58,865 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 674 transitions. [2020-10-26 22:41:58,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-26 22:41:58,870 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:41:58,870 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:41:58,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 22:41:58,871 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:41:58,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:41:58,872 INFO L82 PathProgramCache]: Analyzing trace with hash 82045761, now seen corresponding path program 1 times [2020-10-26 22:41:58,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:41:58,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1400961227] [2020-10-26 22:41:58,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:41:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:41:58,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:41:59,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:00,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:00,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-26 22:42:00,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:42:00,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1189 [2020-10-26 22:42:00,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:00,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:42:00,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:42:00,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-26 22:42:00,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 22:42:00,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:00,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:00,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:00,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:00,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:00,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-26 22:42:00,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:00,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:00,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:00,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:42:00,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:42:00,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:00,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:00,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:00,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-26 22:42:00,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:00,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-26 22:42:00,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:00,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:42:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-26 22:42:00,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:00,609 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:42:00,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1400961227] [2020-10-26 22:42:00,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:42:00,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 22:42:00,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914740177] [2020-10-26 22:42:00,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:42:00,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:00,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:42:00,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:42:00,613 INFO L87 Difference]: Start difference. First operand 423 states and 674 transitions. Second operand 7 states. [2020-10-26 22:42:03,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:03,610 INFO L93 Difference]: Finished difference Result 1070 states and 1732 transitions. [2020-10-26 22:42:03,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:42:03,611 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 86 [2020-10-26 22:42:03,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:03,616 INFO L225 Difference]: With dead ends: 1070 [2020-10-26 22:42:03,617 INFO L226 Difference]: Without dead ends: 653 [2020-10-26 22:42:03,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:42:03,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2020-10-26 22:42:03,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 622. [2020-10-26 22:42:03,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-10-26 22:42:03,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 909 transitions. [2020-10-26 22:42:03,704 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 909 transitions. Word has length 86 [2020-10-26 22:42:03,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:03,705 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 909 transitions. [2020-10-26 22:42:03,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:42:03,705 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 909 transitions. [2020-10-26 22:42:03,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-26 22:42:03,714 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:03,714 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:42:03,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 22:42:03,715 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:03,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:03,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1277796663, now seen corresponding path program 1 times [2020-10-26 22:42:03,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:03,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2120688453] [2020-10-26 22:42:03,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:03,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:03,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:05,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:05,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-26 22:42:05,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:42:05,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1412 [2020-10-26 22:42:05,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:05,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:42:05,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:42:05,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-26 22:42:05,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:05,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:05,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:05,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:05,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:05,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:05,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-26 22:42:05,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:05,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:05,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:05,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:42:05,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:05,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:05,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:05,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:05,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:42:05,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:05,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-26 22:42:05,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:05,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:05,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:42:05,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:42:05,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:05,715 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:42:05,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2120688453] [2020-10-26 22:42:05,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:42:05,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 22:42:05,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978266643] [2020-10-26 22:42:05,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:42:05,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:05,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:42:05,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:42:05,720 INFO L87 Difference]: Start difference. First operand 622 states and 909 transitions. Second operand 7 states. [2020-10-26 22:42:08,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:08,921 INFO L93 Difference]: Finished difference Result 1669 states and 2486 transitions. [2020-10-26 22:42:08,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-26 22:42:08,922 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-10-26 22:42:08,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:08,933 INFO L225 Difference]: With dead ends: 1669 [2020-10-26 22:42:08,933 INFO L226 Difference]: Without dead ends: 1053 [2020-10-26 22:42:08,937 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-26 22:42:08,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2020-10-26 22:42:08,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 1016. [2020-10-26 22:42:08,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1016 states. [2020-10-26 22:42:09,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1338 transitions. [2020-10-26 22:42:09,007 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1338 transitions. Word has length 90 [2020-10-26 22:42:09,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:09,008 INFO L481 AbstractCegarLoop]: Abstraction has 1016 states and 1338 transitions. [2020-10-26 22:42:09,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:42:09,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1338 transitions. [2020-10-26 22:42:09,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-26 22:42:09,021 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:09,021 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:42:09,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 22:42:09,021 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:09,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:09,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1300150704, now seen corresponding path program 1 times [2020-10-26 22:42:09,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:09,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [179653007] [2020-10-26 22:42:09,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:09,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:09,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:09,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:10,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:10,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:11,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:11,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-26 22:42:11,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-26 22:42:11,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2224 [2020-10-26 22:42:11,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:11,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 22:42:11,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:42:11,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-26 22:42:11,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:11,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:11,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:11,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:11,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:11,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:11,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-26 22:42:11,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:11,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:11,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:11,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:42:11,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:11,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:11,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:11,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:11,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:11,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:42:11,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:42:11,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 459 [2020-10-26 22:42:11,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:11,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:11,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:42:11,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-26 22:42:11,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:12,126 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-26 22:42:12,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [179653007] [2020-10-26 22:42:12,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:42:12,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:42:12,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053400626] [2020-10-26 22:42:12,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 22:42:12,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:12,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 22:42:12,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:42:12,142 INFO L87 Difference]: Start difference. First operand 1016 states and 1338 transitions. Second operand 6 states. [2020-10-26 22:42:15,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:15,301 INFO L93 Difference]: Finished difference Result 2477 states and 3554 transitions. [2020-10-26 22:42:15,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 22:42:15,304 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2020-10-26 22:42:15,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:15,323 INFO L225 Difference]: With dead ends: 2477 [2020-10-26 22:42:15,323 INFO L226 Difference]: Without dead ends: 1655 [2020-10-26 22:42:15,328 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:42:15,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1655 states. [2020-10-26 22:42:15,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1655 to 1430. [2020-10-26 22:42:15,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1430 states. [2020-10-26 22:42:15,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 1870 transitions. [2020-10-26 22:42:15,416 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 1870 transitions. Word has length 148 [2020-10-26 22:42:15,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:15,418 INFO L481 AbstractCegarLoop]: Abstraction has 1430 states and 1870 transitions. [2020-10-26 22:42:15,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 22:42:15,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 1870 transitions. [2020-10-26 22:42:15,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-26 22:42:15,425 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:15,425 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:42:15,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 22:42:15,426 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:15,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:15,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1904768394, now seen corresponding path program 1 times [2020-10-26 22:42:15,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:15,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [648506462] [2020-10-26 22:42:15,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:15,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:15,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:16,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:16,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-26 22:42:16,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:42:16,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1344 [2020-10-26 22:42:16,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:16,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:16,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-26 22:42:16,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-26 22:42:16,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:16,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:16,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:16,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:16,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:16,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:16,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:42:16,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:16,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:42:16,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:16,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:42:16,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:16,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:17,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:17,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:17,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:42:17,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:17,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-26 22:42:17,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:17,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:17,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:17,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-26 22:42:17,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:17,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-26 22:42:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:17,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:17,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:17,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 22:42:17,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:17,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-26 22:42:17,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:17,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:17,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:42:17,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 22:42:17,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:17,513 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 87 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:42:17,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [648506462] [2020-10-26 22:42:17,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:42:17,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:42:17,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301498237] [2020-10-26 22:42:17,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:42:17,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:17,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:42:17,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:42:17,518 INFO L87 Difference]: Start difference. First operand 1430 states and 1870 transitions. Second operand 7 states. [2020-10-26 22:42:21,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:21,992 INFO L93 Difference]: Finished difference Result 3921 states and 5393 transitions. [2020-10-26 22:42:21,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:42:21,993 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 205 [2020-10-26 22:42:21,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:22,013 INFO L225 Difference]: With dead ends: 3921 [2020-10-26 22:42:22,013 INFO L226 Difference]: Without dead ends: 2685 [2020-10-26 22:42:22,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:42:22,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2020-10-26 22:42:22,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2274. [2020-10-26 22:42:22,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2274 states. [2020-10-26 22:42:22,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2274 states to 2274 states and 3026 transitions. [2020-10-26 22:42:22,114 INFO L78 Accepts]: Start accepts. Automaton has 2274 states and 3026 transitions. Word has length 205 [2020-10-26 22:42:22,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:22,115 INFO L481 AbstractCegarLoop]: Abstraction has 2274 states and 3026 transitions. [2020-10-26 22:42:22,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:42:22,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 3026 transitions. [2020-10-26 22:42:22,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-26 22:42:22,119 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:22,120 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:42:22,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 22:42:22,120 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:22,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:22,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1087845247, now seen corresponding path program 1 times [2020-10-26 22:42:22,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:22,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [22829769] [2020-10-26 22:42:22,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:22,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:22,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:22,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:23,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:24,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:24,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:27,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:27,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-26 22:42:27,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-26 22:42:27,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-26 22:42:27,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:27,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:42:27,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:42:27,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-26 22:42:27,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:27,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:27,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:27,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:27,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:27,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:27,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-26 22:42:27,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:27,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:27,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:27,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:42:27,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:27,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:27,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:27,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:27,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:27,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:42:27,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:42:27,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 266 [2020-10-26 22:42:27,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:27,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:27,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:42:27,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-26 22:42:27,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:27,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:42:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:27,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:27,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:27,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:42:27,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:27,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-26 22:42:27,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:27,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:42:27,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-26 22:42:27,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:42:27,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 18 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 22:42:28,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [22829769] [2020-10-26 22:42:28,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:42:28,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:42:28,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287207879] [2020-10-26 22:42:28,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:42:28,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:28,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:42:28,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:42:28,008 INFO L87 Difference]: Start difference. First operand 2274 states and 3026 transitions. Second operand 7 states. [2020-10-26 22:42:31,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:31,288 INFO L93 Difference]: Finished difference Result 5360 states and 7542 transitions. [2020-10-26 22:42:31,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 22:42:31,290 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 221 [2020-10-26 22:42:31,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:31,316 INFO L225 Difference]: With dead ends: 5360 [2020-10-26 22:42:31,316 INFO L226 Difference]: Without dead ends: 3280 [2020-10-26 22:42:31,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:42:31,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3280 states. [2020-10-26 22:42:31,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3280 to 3248. [2020-10-26 22:42:31,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3248 states. [2020-10-26 22:42:31,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 3248 states and 4277 transitions. [2020-10-26 22:42:31,437 INFO L78 Accepts]: Start accepts. Automaton has 3248 states and 4277 transitions. Word has length 221 [2020-10-26 22:42:31,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:31,437 INFO L481 AbstractCegarLoop]: Abstraction has 3248 states and 4277 transitions. [2020-10-26 22:42:31,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:42:31,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3248 states and 4277 transitions. [2020-10-26 22:42:31,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-10-26 22:42:31,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:31,443 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:42:31,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 22:42:31,443 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:31,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:31,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1628225273, now seen corresponding path program 1 times [2020-10-26 22:42:31,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:31,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1671251401] [2020-10-26 22:42:31,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:31,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:31,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:31,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-10-26 22:42:31,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:31,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 464 [2020-10-26 22:42:31,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:31,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:31,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-26 22:42:31,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-26 22:42:31,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:32,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:32,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:32,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:32,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:32,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:32,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:42:32,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:32,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:42:32,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:32,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:42:32,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:32,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:32,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:32,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:32,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:42:32,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:32,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-26 22:42:32,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:32,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:32,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:32,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-26 22:42:32,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:32,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:42:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:32,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:32,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:32,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-26 22:42:32,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:32,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 186 [2020-10-26 22:42:32,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:32,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:32,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:42:32,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-26 22:42:32,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:32,712 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:42:32,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1671251401] [2020-10-26 22:42:32,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:42:32,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:42:32,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721503612] [2020-10-26 22:42:32,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:42:32,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:32,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:42:32,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:42:32,716 INFO L87 Difference]: Start difference. First operand 3248 states and 4277 transitions. Second operand 7 states. [2020-10-26 22:42:35,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:35,769 INFO L93 Difference]: Finished difference Result 7484 states and 10092 transitions. [2020-10-26 22:42:35,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 22:42:35,770 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 244 [2020-10-26 22:42:35,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:35,796 INFO L225 Difference]: With dead ends: 7484 [2020-10-26 22:42:35,797 INFO L226 Difference]: Without dead ends: 4430 [2020-10-26 22:42:35,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-26 22:42:35,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4430 states. [2020-10-26 22:42:35,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4430 to 4424. [2020-10-26 22:42:35,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4424 states. [2020-10-26 22:42:35,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4424 states to 4424 states and 5739 transitions. [2020-10-26 22:42:35,969 INFO L78 Accepts]: Start accepts. Automaton has 4424 states and 5739 transitions. Word has length 244 [2020-10-26 22:42:35,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:35,970 INFO L481 AbstractCegarLoop]: Abstraction has 4424 states and 5739 transitions. [2020-10-26 22:42:35,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:42:35,970 INFO L276 IsEmpty]: Start isEmpty. Operand 4424 states and 5739 transitions. [2020-10-26 22:42:35,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-10-26 22:42:35,976 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:35,977 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:42:35,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 22:42:35,978 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:35,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:35,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1106019642, now seen corresponding path program 1 times [2020-10-26 22:42:35,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:35,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1650814511] [2020-10-26 22:42:35,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:36,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:36,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:36,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:37,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:37,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-10-26 22:42:37,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:42:37,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1920 [2020-10-26 22:42:37,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:37,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:42:37,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-26 22:42:37,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-26 22:42:37,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:38,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:38,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:38,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:38,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:38,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:38,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-26 22:42:38,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:42:38,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:38,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:42:38,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:42:38,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:38,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:38,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:38,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:42:38,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:38,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-26 22:42:38,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:38,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:38,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:38,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-26 22:42:38,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:42:38,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:42:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:38,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:38,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:38,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:38,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-26 22:42:38,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:42:38,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-26 22:42:38,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:38,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:38,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:42:38,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-26 22:42:38,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:38,916 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 111 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 22:42:38,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1650814511] [2020-10-26 22:42:38,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:42:38,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:42:38,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334310488] [2020-10-26 22:42:38,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:42:38,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:38,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:42:38,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:42:38,919 INFO L87 Difference]: Start difference. First operand 4424 states and 5739 transitions. Second operand 7 states. [2020-10-26 22:42:42,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:42,011 INFO L93 Difference]: Finished difference Result 8714 states and 11591 transitions. [2020-10-26 22:42:42,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-26 22:42:42,011 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 250 [2020-10-26 22:42:42,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:42,040 INFO L225 Difference]: With dead ends: 8714 [2020-10-26 22:42:42,040 INFO L226 Difference]: Without dead ends: 4484 [2020-10-26 22:42:42,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:42:42,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4484 states. [2020-10-26 22:42:42,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4484 to 4424. [2020-10-26 22:42:42,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4424 states. [2020-10-26 22:42:42,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4424 states to 4424 states and 5492 transitions. [2020-10-26 22:42:42,231 INFO L78 Accepts]: Start accepts. Automaton has 4424 states and 5492 transitions. Word has length 250 [2020-10-26 22:42:42,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:42,232 INFO L481 AbstractCegarLoop]: Abstraction has 4424 states and 5492 transitions. [2020-10-26 22:42:42,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:42:42,232 INFO L276 IsEmpty]: Start isEmpty. Operand 4424 states and 5492 transitions. [2020-10-26 22:42:42,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-26 22:42:42,239 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:42,240 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:42:42,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 22:42:42,240 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:42,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:42,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1019739005, now seen corresponding path program 1 times [2020-10-26 22:42:42,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:42,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106528852] [2020-10-26 22:42:42,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:42,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:42,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:42,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:47,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:47,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 308 [2020-10-26 22:42:47,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:42:47,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-26 22:42:47,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:47,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:47,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-26 22:42:47,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-26 22:42:47,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:47,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:47,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:47,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:47,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:47,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:47,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:42:47,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:47,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:42:47,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:47,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:42:47,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:47,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:47,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:47,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:47,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:42:47,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:47,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-26 22:42:47,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:47,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:47,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:47,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-26 22:42:47,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:47,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-26 22:42:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:47,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:47,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:47,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-26 22:42:47,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:47,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-26 22:42:47,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:47,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:47,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:42:47,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-26 22:42:47,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:47,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-26 22:42:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:47,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:48,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:48,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:42:48,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:48,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-26 22:42:48,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:48,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:42:48,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-26 22:42:48,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:42:48,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:48,132 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 114 proven. 72 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-26 22:42:48,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2106528852] [2020-10-26 22:42:48,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:42:48,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:42:48,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534899279] [2020-10-26 22:42:48,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:42:48,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:48,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:42:48,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:42:48,136 INFO L87 Difference]: Start difference. First operand 4424 states and 5492 transitions. Second operand 7 states. [2020-10-26 22:42:51,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:42:51,683 INFO L93 Difference]: Finished difference Result 11017 states and 13967 transitions. [2020-10-26 22:42:51,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:42:51,684 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 292 [2020-10-26 22:42:51,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:42:51,735 INFO L225 Difference]: With dead ends: 11017 [2020-10-26 22:42:51,735 INFO L226 Difference]: Without dead ends: 6787 [2020-10-26 22:42:51,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:42:51,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6787 states. [2020-10-26 22:42:51,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6787 to 6583. [2020-10-26 22:42:51,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6583 states. [2020-10-26 22:42:51,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6583 states to 6583 states and 8210 transitions. [2020-10-26 22:42:51,951 INFO L78 Accepts]: Start accepts. Automaton has 6583 states and 8210 transitions. Word has length 292 [2020-10-26 22:42:51,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:42:51,952 INFO L481 AbstractCegarLoop]: Abstraction has 6583 states and 8210 transitions. [2020-10-26 22:42:51,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:42:51,952 INFO L276 IsEmpty]: Start isEmpty. Operand 6583 states and 8210 transitions. [2020-10-26 22:42:51,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-10-26 22:42:51,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:42:51,963 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:42:51,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-26 22:42:51,963 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:42:51,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:42:51,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1052124525, now seen corresponding path program 1 times [2020-10-26 22:42:51,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:42:51,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [179566982] [2020-10-26 22:42:51,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:42:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:52,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:52,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:52,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:55,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:57,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:57,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 316 [2020-10-26 22:42:57,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:42:57,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-26 22:42:57,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:57,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-26 22:42:57,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:42:57,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 286 [2020-10-26 22:42:57,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:57,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:42:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:57,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:57,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:57,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:42:57,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:57,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-26 22:42:57,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:57,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:42:57,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:42:57,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:42:57,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:57,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:42:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:57,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:57,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:57,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:42:57,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:57,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-26 22:42:57,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:57,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:57,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:42:57,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-26 22:42:57,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:57,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-26 22:42:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:57,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:57,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:57,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-26 22:42:57,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:42:57,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-26 22:42:57,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:57,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-26 22:42:57,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:42:57,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-26 22:42:57,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:58,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-26 22:42:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:42:58,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:58,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:42:58,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:42:58,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:42:58,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:42:58,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-26 22:42:58,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:42:58,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:42:58,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:42:58,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:42:58,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:42:58,697 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 36 proven. 225 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-26 22:42:58,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [179566982] [2020-10-26 22:42:58,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:42:58,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-26 22:42:58,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442929056] [2020-10-26 22:42:58,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-26 22:42:58,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:42:58,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-26 22:42:58,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:42:58,699 INFO L87 Difference]: Start difference. First operand 6583 states and 8210 transitions. Second operand 11 states. [2020-10-26 22:42:59,835 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2020-10-26 22:43:04,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:43:04,652 INFO L93 Difference]: Finished difference Result 17133 states and 21667 transitions. [2020-10-26 22:43:04,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-26 22:43:04,653 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 300 [2020-10-26 22:43:04,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:43:04,694 INFO L225 Difference]: With dead ends: 17133 [2020-10-26 22:43:04,694 INFO L226 Difference]: Without dead ends: 10356 [2020-10-26 22:43:04,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2020-10-26 22:43:04,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10356 states. [2020-10-26 22:43:05,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10356 to 10294. [2020-10-26 22:43:05,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10294 states. [2020-10-26 22:43:05,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10294 states to 10294 states and 12790 transitions. [2020-10-26 22:43:05,028 INFO L78 Accepts]: Start accepts. Automaton has 10294 states and 12790 transitions. Word has length 300 [2020-10-26 22:43:05,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:43:05,028 INFO L481 AbstractCegarLoop]: Abstraction has 10294 states and 12790 transitions. [2020-10-26 22:43:05,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-26 22:43:05,029 INFO L276 IsEmpty]: Start isEmpty. Operand 10294 states and 12790 transitions. [2020-10-26 22:43:05,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2020-10-26 22:43:05,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:43:05,040 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:43:05,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-26 22:43:05,040 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:43:05,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:43:05,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1841542441, now seen corresponding path program 1 times [2020-10-26 22:43:05,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:43:05,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1104187686] [2020-10-26 22:43:05,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:43:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:05,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:05,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:06,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:06,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 318 [2020-10-26 22:43:06,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:43:06,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1841 [2020-10-26 22:43:06,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:06,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:06,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 224 [2020-10-26 22:43:06,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-26 22:43:06,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:07,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:43:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:07,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:07,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:07,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:43:07,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:07,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-26 22:43:07,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:07,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:07,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:07,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:07,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:07,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:43:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:07,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:07,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:07,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:43:07,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:07,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-26 22:43:07,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:07,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:07,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:07,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:07,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:07,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-26 22:43:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:07,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:07,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:07,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-26 22:43:07,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:07,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-26 22:43:07,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:07,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:07,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:07,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-26 22:43:07,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:07,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-26 22:43:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:07,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:07,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:07,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:43:07,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:07,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-26 22:43:07,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:07,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:07,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:43:07,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:43:07,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:07,821 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-26 22:43:07,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1104187686] [2020-10-26 22:43:07,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:43:07,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:43:07,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638120414] [2020-10-26 22:43:07,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:43:07,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:43:07,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:43:07,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:43:07,823 INFO L87 Difference]: Start difference. First operand 10294 states and 12790 transitions. Second operand 7 states. [2020-10-26 22:43:11,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:43:11,290 INFO L93 Difference]: Finished difference Result 18854 states and 23509 transitions. [2020-10-26 22:43:11,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 22:43:11,291 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 302 [2020-10-26 22:43:11,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:43:11,326 INFO L225 Difference]: With dead ends: 18854 [2020-10-26 22:43:11,326 INFO L226 Difference]: Without dead ends: 10496 [2020-10-26 22:43:11,350 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-26 22:43:11,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10496 states. [2020-10-26 22:43:11,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10496 to 10484. [2020-10-26 22:43:11,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10484 states. [2020-10-26 22:43:11,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10484 states to 10484 states and 13001 transitions. [2020-10-26 22:43:11,636 INFO L78 Accepts]: Start accepts. Automaton has 10484 states and 13001 transitions. Word has length 302 [2020-10-26 22:43:11,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:43:11,637 INFO L481 AbstractCegarLoop]: Abstraction has 10484 states and 13001 transitions. [2020-10-26 22:43:11,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:43:11,637 INFO L276 IsEmpty]: Start isEmpty. Operand 10484 states and 13001 transitions. [2020-10-26 22:43:11,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-10-26 22:43:11,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:43:11,648 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:43:11,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-26 22:43:11,649 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:43:11,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:43:11,649 INFO L82 PathProgramCache]: Analyzing trace with hash -115242594, now seen corresponding path program 1 times [2020-10-26 22:43:11,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:43:11,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1682062037] [2020-10-26 22:43:11,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:43:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:11,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:11,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:12,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:14,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:14,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 320 [2020-10-26 22:43:14,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:43:14,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2689 [2020-10-26 22:43:14,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:14,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:14,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-26 22:43:14,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-26 22:43:14,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:14,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:43:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:14,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:14,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:14,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:43:14,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:14,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-26 22:43:14,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:14,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:14,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:14,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:14,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:14,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:43:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:14,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:14,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:14,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:43:14,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:14,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-26 22:43:14,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:14,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:14,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:14,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-26 22:43:14,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:14,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:43:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:14,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:14,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:14,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-26 22:43:14,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:14,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-26 22:43:14,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:14,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:14,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:43:14,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-26 22:43:14,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:14,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-26 22:43:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:14,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:14,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:14,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:43:14,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:14,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-26 22:43:14,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:14,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:14,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-26 22:43:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:14,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:14,961 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 111 proven. 72 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-26 22:43:14,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1682062037] [2020-10-26 22:43:14,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:43:14,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:43:14,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831479125] [2020-10-26 22:43:14,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:43:14,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:43:14,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:43:14,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:43:14,963 INFO L87 Difference]: Start difference. First operand 10484 states and 13001 transitions. Second operand 7 states. [2020-10-26 22:43:18,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:43:18,577 INFO L93 Difference]: Finished difference Result 24790 states and 31071 transitions. [2020-10-26 22:43:18,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:43:18,578 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 304 [2020-10-26 22:43:18,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:43:18,631 INFO L225 Difference]: With dead ends: 24790 [2020-10-26 22:43:18,632 INFO L226 Difference]: Without dead ends: 14690 [2020-10-26 22:43:18,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:43:18,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14690 states. [2020-10-26 22:43:19,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14690 to 14472. [2020-10-26 22:43:19,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14472 states. [2020-10-26 22:43:19,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14472 states to 14472 states and 18018 transitions. [2020-10-26 22:43:19,057 INFO L78 Accepts]: Start accepts. Automaton has 14472 states and 18018 transitions. Word has length 304 [2020-10-26 22:43:19,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:43:19,058 INFO L481 AbstractCegarLoop]: Abstraction has 14472 states and 18018 transitions. [2020-10-26 22:43:19,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:43:19,058 INFO L276 IsEmpty]: Start isEmpty. Operand 14472 states and 18018 transitions. [2020-10-26 22:43:19,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-10-26 22:43:19,068 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:43:19,069 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:43:19,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-26 22:43:19,070 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:43:19,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:43:19,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1005220783, now seen corresponding path program 1 times [2020-10-26 22:43:19,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:43:19,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1173637218] [2020-10-26 22:43:19,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:43:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:19,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:19,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:19,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:19,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:20,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:20,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 321 [2020-10-26 22:43:20,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:43:20,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 928 [2020-10-26 22:43:20,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:20,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:20,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:43:20,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 297 [2020-10-26 22:43:20,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:20,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:43:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:20,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:20,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:20,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:43:20,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:20,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-26 22:43:20,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:20,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:20,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:20,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:43:20,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:20,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:43:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:20,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:20,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:20,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:20,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:43:20,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:43:20,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-26 22:43:20,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:20,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:20,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:20,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-26 22:43:20,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:20,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:43:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:20,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:20,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:20,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:20,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-26 22:43:20,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:43:20,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-10-26 22:43:20,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:20,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:20,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-10-26 22:43:20,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:43:20,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:20,970 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-26 22:43:20,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1173637218] [2020-10-26 22:43:20,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:43:20,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-26 22:43:20,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703953680] [2020-10-26 22:43:20,971 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:43:20,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:43:20,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:43:20,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:43:20,973 INFO L87 Difference]: Start difference. First operand 14472 states and 18018 transitions. Second operand 5 states. [2020-10-26 22:43:22,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:43:22,825 INFO L93 Difference]: Finished difference Result 26620 states and 33250 transitions. [2020-10-26 22:43:22,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:43:22,826 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 307 [2020-10-26 22:43:22,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:43:22,879 INFO L225 Difference]: With dead ends: 26620 [2020-10-26 22:43:22,879 INFO L226 Difference]: Without dead ends: 14462 [2020-10-26 22:43:22,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:43:22,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14462 states. [2020-10-26 22:43:23,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14462 to 14448. [2020-10-26 22:43:23,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14448 states. [2020-10-26 22:43:23,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14448 states to 14448 states and 17958 transitions. [2020-10-26 22:43:23,272 INFO L78 Accepts]: Start accepts. Automaton has 14448 states and 17958 transitions. Word has length 307 [2020-10-26 22:43:23,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:43:23,273 INFO L481 AbstractCegarLoop]: Abstraction has 14448 states and 17958 transitions. [2020-10-26 22:43:23,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:43:23,273 INFO L276 IsEmpty]: Start isEmpty. Operand 14448 states and 17958 transitions. [2020-10-26 22:43:23,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-10-26 22:43:23,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:43:23,288 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:43:23,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-26 22:43:23,288 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:43:23,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:43:23,289 INFO L82 PathProgramCache]: Analyzing trace with hash 237055980, now seen corresponding path program 1 times [2020-10-26 22:43:23,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:43:23,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [360859113] [2020-10-26 22:43:23,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:43:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:23,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:23,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:23,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:27,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:27,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 331 [2020-10-26 22:43:27,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:43:27,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3660 [2020-10-26 22:43:27,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:27,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:27,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-26 22:43:27,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-26 22:43:27,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:27,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:43:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:27,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:27,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:27,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:43:27,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:27,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-26 22:43:27,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:27,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:27,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:27,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:27,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:27,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:43:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:27,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:27,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:27,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:43:27,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:27,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-26 22:43:27,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:27,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:27,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:27,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-26 22:43:27,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:27,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:43:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:27,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:27,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:27,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-26 22:43:27,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:27,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-26 22:43:27,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:43:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-26 22:43:27,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:27,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-26 22:43:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:27,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:27,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:27,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:43:27,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:27,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-26 22:43:27,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:27,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:27,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-26 22:43:27,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:27,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:27,938 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 122 proven. 72 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-26 22:43:27,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [360859113] [2020-10-26 22:43:27,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:43:27,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:43:27,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875638311] [2020-10-26 22:43:27,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:43:27,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:43:27,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:43:27,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:43:27,942 INFO L87 Difference]: Start difference. First operand 14448 states and 17958 transitions. Second operand 7 states. [2020-10-26 22:43:32,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:43:32,646 INFO L93 Difference]: Finished difference Result 28751 states and 35799 transitions. [2020-10-26 22:43:32,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:43:32,647 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 315 [2020-10-26 22:43:32,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:43:32,705 INFO L225 Difference]: With dead ends: 28751 [2020-10-26 22:43:32,705 INFO L226 Difference]: Without dead ends: 16617 [2020-10-26 22:43:32,726 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:43:32,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16617 states. [2020-10-26 22:43:33,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16617 to 16578. [2020-10-26 22:43:33,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16578 states. [2020-10-26 22:43:33,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16578 states to 16578 states and 20449 transitions. [2020-10-26 22:43:33,092 INFO L78 Accepts]: Start accepts. Automaton has 16578 states and 20449 transitions. Word has length 315 [2020-10-26 22:43:33,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:43:33,092 INFO L481 AbstractCegarLoop]: Abstraction has 16578 states and 20449 transitions. [2020-10-26 22:43:33,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:43:33,092 INFO L276 IsEmpty]: Start isEmpty. Operand 16578 states and 20449 transitions. [2020-10-26 22:43:33,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-10-26 22:43:33,104 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:43:33,105 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:43:33,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-26 22:43:33,105 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:43:33,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:43:33,106 INFO L82 PathProgramCache]: Analyzing trace with hash 962948053, now seen corresponding path program 1 times [2020-10-26 22:43:33,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:43:33,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1337465152] [2020-10-26 22:43:33,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:43:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:33,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:33,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:34,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:35,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:35,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 339 [2020-10-26 22:43:35,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:43:35,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2483 [2020-10-26 22:43:35,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:35,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:35,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-26 22:43:35,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-26 22:43:35,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:35,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:43:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:35,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:35,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:35,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:43:35,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:35,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:43:35,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:35,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:35,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:35,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:35,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:35,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:43:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:35,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:36,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:36,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:43:36,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:36,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-26 22:43:36,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:36,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:36,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:36,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-26 22:43:36,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:36,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-26 22:43:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:36,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:36,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:36,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-26 22:43:36,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:36,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-26 22:43:36,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:43:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-26 22:43:36,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:36,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-26 22:43:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:36,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:36,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:36,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:43:36,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:36,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-26 22:43:36,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:36,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:36,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-26 22:43:36,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:36,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:36,310 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 130 proven. 72 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-26 22:43:36,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1337465152] [2020-10-26 22:43:36,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:43:36,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:43:36,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398999079] [2020-10-26 22:43:36,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:43:36,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:43:36,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:43:36,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:43:36,312 INFO L87 Difference]: Start difference. First operand 16578 states and 20449 transitions. Second operand 7 states. [2020-10-26 22:43:40,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:43:40,169 INFO L93 Difference]: Finished difference Result 34408 states and 43385 transitions. [2020-10-26 22:43:40,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:43:40,170 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 323 [2020-10-26 22:43:40,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:43:40,231 INFO L225 Difference]: With dead ends: 34408 [2020-10-26 22:43:40,231 INFO L226 Difference]: Without dead ends: 18214 [2020-10-26 22:43:40,257 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:43:40,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18214 states. [2020-10-26 22:43:40,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18214 to 18048. [2020-10-26 22:43:40,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18048 states. [2020-10-26 22:43:40,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18048 states to 18048 states and 21676 transitions. [2020-10-26 22:43:40,728 INFO L78 Accepts]: Start accepts. Automaton has 18048 states and 21676 transitions. Word has length 323 [2020-10-26 22:43:40,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:43:40,730 INFO L481 AbstractCegarLoop]: Abstraction has 18048 states and 21676 transitions. [2020-10-26 22:43:40,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:43:40,730 INFO L276 IsEmpty]: Start isEmpty. Operand 18048 states and 21676 transitions. [2020-10-26 22:43:40,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-26 22:43:40,740 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:43:40,740 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:43:40,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-26 22:43:40,740 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:43:40,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:43:40,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1136619767, now seen corresponding path program 1 times [2020-10-26 22:43:40,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:43:40,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1353552330] [2020-10-26 22:43:40,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:43:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:40,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:40,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:41,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:43,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:43,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:45,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:45,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 352 [2020-10-26 22:43:45,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-26 22:43:45,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-26 22:43:45,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:45,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-26 22:43:45,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:43:45,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 341 [2020-10-26 22:43:45,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:46,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:43:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:46,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:46,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:46,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:43:46,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:46,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-26 22:43:46,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:46,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:46,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:46,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:43:46,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:46,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:43:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:46,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:46,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:46,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:46,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:43:46,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:43:46,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-26 22:43:46,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:46,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:46,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:43:46,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-26 22:43:46,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:46,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-26 22:43:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:46,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:46,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:46,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:46,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-26 22:43:46,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:43:46,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-26 22:43:46,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:46,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:46,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:43:46,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-26 22:43:46,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:46,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-26 22:43:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:46,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:46,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:46,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:43:46,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:46,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-26 22:43:46,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:46,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-26 22:43:46,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:43:46,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:43:46,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:47,172 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 266 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-26 22:43:47,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1353552330] [2020-10-26 22:43:47,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:43:47,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-26 22:43:47,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967186620] [2020-10-26 22:43:47,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-26 22:43:47,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:43:47,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-26 22:43:47,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-26 22:43:47,175 INFO L87 Difference]: Start difference. First operand 18048 states and 21676 transitions. Second operand 10 states. [2020-10-26 22:43:48,672 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-26 22:43:49,608 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-10-26 22:43:51,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:43:51,355 INFO L93 Difference]: Finished difference Result 37315 states and 45883 transitions. [2020-10-26 22:43:51,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-26 22:43:51,356 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 336 [2020-10-26 22:43:51,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:43:51,429 INFO L225 Difference]: With dead ends: 37315 [2020-10-26 22:43:51,429 INFO L226 Difference]: Without dead ends: 19591 [2020-10-26 22:43:51,464 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=108, Invalid=198, Unknown=0, NotChecked=0, Total=306 [2020-10-26 22:43:51,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19591 states. [2020-10-26 22:43:51,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19591 to 18973. [2020-10-26 22:43:51,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18973 states. [2020-10-26 22:43:51,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18973 states to 18973 states and 22681 transitions. [2020-10-26 22:43:51,960 INFO L78 Accepts]: Start accepts. Automaton has 18973 states and 22681 transitions. Word has length 336 [2020-10-26 22:43:51,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:43:51,961 INFO L481 AbstractCegarLoop]: Abstraction has 18973 states and 22681 transitions. [2020-10-26 22:43:51,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-26 22:43:51,961 INFO L276 IsEmpty]: Start isEmpty. Operand 18973 states and 22681 transitions. [2020-10-26 22:43:51,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-10-26 22:43:51,970 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:43:51,971 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:43:51,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-26 22:43:51,971 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:43:51,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:43:51,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1914059167, now seen corresponding path program 1 times [2020-10-26 22:43:51,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:43:51,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1042299501] [2020-10-26 22:43:51,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:43:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:52,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:52,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:54,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:54,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 353 [2020-10-26 22:43:54,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:43:54,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2255 [2020-10-26 22:43:54,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:54,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:54,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-10-26 22:43:54,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-26 22:43:54,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:54,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:43:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:54,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:54,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:54,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:43:54,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:54,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-26 22:43:54,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:54,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:54,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:54,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:54,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:54,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:43:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:54,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:54,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:54,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-26 22:43:54,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:54,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-26 22:43:54,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:54,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:43:54,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:54,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:43:54,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:54,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-26 22:43:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:54,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:54,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:54,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-26 22:43:54,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:54,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-26 22:43:54,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:54,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:43:54,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:43:54,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-26 22:43:54,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:43:54,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-26 22:43:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:43:54,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:43:55,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:43:55,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:43:55,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:43:55,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-10-26 22:43:55,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:43:55,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:43:55,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:43:55,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:43:55,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 22:43:55,406 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-26 22:43:55,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1042299501] [2020-10-26 22:43:55,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:43:55,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 22:43:55,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749558604] [2020-10-26 22:43:55,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 22:43:55,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:43:55,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 22:43:55,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:43:55,410 INFO L87 Difference]: Start difference. First operand 18973 states and 22681 transitions. Second operand 8 states. [2020-10-26 22:44:00,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:44:00,378 INFO L93 Difference]: Finished difference Result 38245 states and 45869 transitions. [2020-10-26 22:44:00,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-26 22:44:00,379 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 337 [2020-10-26 22:44:00,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:44:00,439 INFO L225 Difference]: With dead ends: 38245 [2020-10-26 22:44:00,440 INFO L226 Difference]: Without dead ends: 21766 [2020-10-26 22:44:00,469 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-26 22:44:00,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21766 states. [2020-10-26 22:44:00,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21766 to 20755. [2020-10-26 22:44:00,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20755 states. [2020-10-26 22:44:00,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20755 states to 20755 states and 24492 transitions. [2020-10-26 22:44:00,934 INFO L78 Accepts]: Start accepts. Automaton has 20755 states and 24492 transitions. Word has length 337 [2020-10-26 22:44:00,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:44:00,934 INFO L481 AbstractCegarLoop]: Abstraction has 20755 states and 24492 transitions. [2020-10-26 22:44:00,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 22:44:00,935 INFO L276 IsEmpty]: Start isEmpty. Operand 20755 states and 24492 transitions. [2020-10-26 22:44:00,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2020-10-26 22:44:00,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:44:00,945 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:44:00,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-26 22:44:00,946 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:44:00,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:44:00,946 INFO L82 PathProgramCache]: Analyzing trace with hash 781710871, now seen corresponding path program 1 times [2020-10-26 22:44:00,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:44:00,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [422882227] [2020-10-26 22:44:00,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:44:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:44:01,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:01,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:03,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:05,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:44:05,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 366 [2020-10-26 22:44:05,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:44:05,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4631 [2020-10-26 22:44:05,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:44:05,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-26 22:44:05,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:44:05,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 357 [2020-10-26 22:44:05,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:44:05,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:44:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:44:05,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:05,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:44:05,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:44:05,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:44:05,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-26 22:44:05,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:44:05,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:44:05,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:44:05,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:44:05,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:44:05,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:44:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:44:05,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:05,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:44:05,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-26 22:44:05,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:44:05,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-26 22:44:05,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:44:05,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:44:05,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:44:05,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-26 22:44:05,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:44:06,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-26 22:44:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:44:06,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:06,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:44:06,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-26 22:44:06,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:44:06,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-10-26 22:44:06,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:44:06,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-26 22:44:06,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:44:06,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-26 22:44:06,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:44:06,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-26 22:44:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:44:06,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:06,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:44:06,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:44:06,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-26 22:44:06,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:44:06,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-10-26 22:44:06,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:44:06,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:44:06,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:44:06,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-26 22:44:06,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:44:06,804 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 14 proven. 22 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-10-26 22:44:06,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [422882227] [2020-10-26 22:44:06,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:44:06,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:44:06,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897387342] [2020-10-26 22:44:06,805 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 22:44:06,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:44:06,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 22:44:06,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:44:06,806 INFO L87 Difference]: Start difference. First operand 20755 states and 24492 transitions. Second operand 8 states. [2020-10-26 22:44:12,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:44:12,194 INFO L93 Difference]: Finished difference Result 42749 states and 50984 transitions. [2020-10-26 22:44:12,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-26 22:44:12,195 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 350 [2020-10-26 22:44:12,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:44:12,242 INFO L225 Difference]: With dead ends: 42749 [2020-10-26 22:44:12,242 INFO L226 Difference]: Without dead ends: 23734 [2020-10-26 22:44:12,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-26 22:44:12,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23734 states. [2020-10-26 22:44:12,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23734 to 23249. [2020-10-26 22:44:12,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23249 states. [2020-10-26 22:44:12,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23249 states to 23249 states and 27363 transitions. [2020-10-26 22:44:12,833 INFO L78 Accepts]: Start accepts. Automaton has 23249 states and 27363 transitions. Word has length 350 [2020-10-26 22:44:12,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:44:12,834 INFO L481 AbstractCegarLoop]: Abstraction has 23249 states and 27363 transitions. [2020-10-26 22:44:12,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 22:44:12,834 INFO L276 IsEmpty]: Start isEmpty. Operand 23249 states and 27363 transitions. [2020-10-26 22:44:12,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2020-10-26 22:44:12,849 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:44:12,850 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:44:12,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-26 22:44:12,850 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:44:12,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:44:12,850 INFO L82 PathProgramCache]: Analyzing trace with hash -11489497, now seen corresponding path program 1 times [2020-10-26 22:44:12,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:44:12,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049917045] [2020-10-26 22:44:12,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:44:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 22:44:12,940 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-26 22:44:12,940 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-26 22:44:12,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-26 22:44:13,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:44:13 BoogieIcfgContainer [2020-10-26 22:44:13,050 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 22:44:13,055 INFO L168 Benchmark]: Toolchain (without parser) took 142903.99 ms. Allocated memory was 164.6 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 137.1 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 393.8 MB. Max. memory is 8.0 GB. [2020-10-26 22:44:13,056 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 164.6 MB. Free memory was 138.1 MB in the beginning and 138.0 MB in the end (delta: 102.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 22:44:13,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1020.34 ms. Allocated memory is still 164.6 MB. Free memory was 136.3 MB in the beginning and 124.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 8.0 GB. [2020-10-26 22:44:13,057 INFO L168 Benchmark]: Boogie Preprocessor took 179.95 ms. Allocated memory is still 164.6 MB. Free memory was 124.0 MB in the beginning and 116.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-26 22:44:13,058 INFO L168 Benchmark]: RCFGBuilder took 2742.44 ms. Allocated memory was 164.6 MB in the beginning and 212.9 MB in the end (delta: 48.2 MB). Free memory was 116.6 MB in the beginning and 160.9 MB in the end (delta: -44.3 MB). Peak memory consumption was 84.7 MB. Max. memory is 8.0 GB. [2020-10-26 22:44:13,059 INFO L168 Benchmark]: TraceAbstraction took 138949.14 ms. Allocated memory was 212.9 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 160.4 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 368.0 MB. Max. memory is 8.0 GB. [2020-10-26 22:44:13,067 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 164.6 MB. Free memory was 138.1 MB in the beginning and 138.0 MB in the end (delta: 102.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1020.34 ms. Allocated memory is still 164.6 MB. Free memory was 136.3 MB in the beginning and 124.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 179.95 ms. Allocated memory is still 164.6 MB. Free memory was 124.0 MB in the beginning and 116.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2742.44 ms. Allocated memory was 164.6 MB in the beginning and 212.9 MB in the end (delta: 48.2 MB). Free memory was 116.6 MB in the beginning and 160.9 MB in the end (delta: -44.3 MB). Peak memory consumption was 84.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 138949.14 ms. Allocated memory was 212.9 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 160.4 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 368.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L9] int inputA = 1; [L10] int inputD = 4; [L11] int inputB = 2; [L12] int inputE = 5; [L13] int inputF = 6; [L14] int inputC = 3; [L17] int a29 = 130; [L18] int a4 = 1; [L19] int a23 = 312; [L20] int a8 = 15; [L21] int a25 = 10; [L22] int a3 = 1; [L1033] int output = -1; [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL, EXPR calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L34] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L37] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L40] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L43] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L46] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L49] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L52] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L55] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L58] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L61] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L64] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L67] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L70] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L73] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L76] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L79] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L82] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L85] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L88] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L91] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L94] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L97] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L100] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L103] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L106] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L109] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L112] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L115] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L118] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L121] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L124] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L127] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L130] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L133] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L136] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L139] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L142] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L145] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L148] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L151] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L154] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L157] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L160] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L163] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L166] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L169] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L172] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L175] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L178] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L181] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L184] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L187] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L190] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L193] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L196] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L199] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L202] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L205] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L209] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L216] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L223] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L229] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L235] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L242] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L249] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L256] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L262] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L267] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L270] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L277] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L282] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L289] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L296] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L301] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L307] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L312] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L319] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L324] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L331] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L336] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L342] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L348] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L355] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L360] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L367] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L372] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L379] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L386] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L393] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L400] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L413] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L419] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L424] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L431] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L438] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L445] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L452] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L458] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L465] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L472] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L479] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L489] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L502] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L509] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L516] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L528] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L533] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L539] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L544] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L551] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L557] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L563] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L568] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L574] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L577] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L583] COND TRUE ((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 )) [L584] a29 = (((((a29 - 0) % 15)+ 262) + 241270) + -241271) [L585] a25 = 12 [L587] return 24; [L1044] RET, EXPR calculate_output(input) [L1044] output = calculate_output(input) [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL, EXPR calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L34] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L37] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L40] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L43] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L46] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L49] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L52] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L55] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L58] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L61] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L64] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L67] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L70] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L73] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L76] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L79] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L82] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L85] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L88] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L91] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L94] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L97] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L100] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L103] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L106] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L109] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L112] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L115] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L118] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L121] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L124] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L127] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L130] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L133] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L136] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L139] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L142] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L145] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L148] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L151] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L154] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L157] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L160] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L163] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L166] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L169] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L172] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L175] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L178] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L181] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L184] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L187] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L190] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L193] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L196] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L199] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L202] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L205] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L209] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L216] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L223] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L229] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L235] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L242] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L249] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L256] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L262] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L267] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L270] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L277] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L282] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L289] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L296] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L301] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L307] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L312] COND TRUE ((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 ))) [L313] a29 = (((a29 / 5) / 5) + -580303) [L314] a23 = (((a23 - 600264) + -12) / 5) [L315] a4 = 0 [L316] a25 = 12 [L318] return -1; [L1044] RET, EXPR calculate_output(input) [L1044] output = calculate_output(input) [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL, EXPR calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L34] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L37] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L40] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L43] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L46] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L49] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L52] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L55] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L58] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L61] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L64] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L67] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L70] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L73] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L76] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L79] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L82] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L85] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L88] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L91] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L94] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L97] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L100] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L103] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L106] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L109] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L112] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L115] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L118] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L121] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L124] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L127] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L130] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L133] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L136] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L139] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L142] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L145] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L148] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L151] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L154] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L157] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L160] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L163] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L166] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L169] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L172] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L175] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L178] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L181] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L184] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L187] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L190] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L193] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L196] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L199] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L202] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L205] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L209] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L216] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L223] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L229] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L235] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L242] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L249] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L256] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L262] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L267] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L270] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L277] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L282] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L289] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L296] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L301] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L307] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L312] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L319] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L324] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L331] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L336] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L342] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L348] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L355] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L360] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L367] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L372] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L379] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L386] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L393] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L400] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L413] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L419] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L424] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L431] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L438] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L445] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L452] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L458] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L465] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L472] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L479] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L489] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L502] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L509] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L516] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L528] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L533] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L539] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L544] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L551] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L557] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L563] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L568] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L574] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L577] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L583] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L588] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && ((a3==1) && (!(a4==1) && ((input == 4) && (((a25==10) && ((140 < a29) && (245 >= a29)) ) || (((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9)))))))) && (a8==15))) [L600] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L605] COND FALSE !(( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1)))) [L617] COND FALSE !(((((((a3==1) && ((input == 5) && ((a25==11) || (a25==12)))) && (a4==1)) && 306 < a23 ) && ((140 < a29) && (245 >= a29)) ) && (a8==15))) [L623] COND FALSE !(((((a4==1) && ( 306 < a23 && ((a8==15) && (((a25==11) || (a25==12)) && (input == 2))))) && ((140 < a29) && (245 >= a29)) ) && (a3==1))) [L630] COND FALSE !(((((a8==15) && ( a23 <= -43 && (!(a4==1) && ((a25==11) && (input == 5))))) && (a3==1)) && ((245 < a29) && (277 >= a29)) )) [L637] COND FALSE !((((((((input == 2) && ((a25==9) || (a25==10))) && (a8==15)) && ((140 < a29) && (245 >= a29)) ) && 306 < a23 ) && (a3==1)) && (a4==1))) [L644] COND FALSE !(((a8==15) && (((( 277 < a29 && ((input == 2) && ((a25==11) || ((a25==9) || (a25==10))))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L649] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 3) && ((a25==12) || ((a25==10) || (a25==11))))) && !(a4==1)) && (a8==15)) && a29 <= 140 ) && (a3==1))) [L660] COND FALSE !((((!(a4==1) && ((((input == 6) && ((a25==12) || ((a25==10) || (a25==11)))) && (a8==15)) && ((-43 < a23) && (138 >= a23)) )) && (a3==1)) && a29 <= 140 )) [L665] COND FALSE !(((a25==9) && (( a29 <= 140 && ((a3==1) && (!(a4==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 2))))) && (a8==15)))) [L672] COND FALSE !((!(a4==1) && ( a23 <= -43 && (((a8==15) && (((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ( ((245 < a29) && (277 >= a29)) && (a25==13))) || ((a25==9) && 277 < a29 )) && (input == 3))) && (a3==1))))) [L677] COND FALSE !((((!(a4==1) && ((a3==1) && ((input == 5) && ((( ((245 < a29) && (277 >= a29)) && (a25==12)) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ((a25==9) && 277 < a29 ))))) && a23 <= -43 ) && (a8==15))) [L683] COND FALSE !(( a23 <= -43 && (!(a4==1) && ( ((245 < a29) && (277 >= a29)) && ((a8==15) && ((a25==11) && ((a3==1) && (input == 3)))))))) [L690] COND FALSE !(((((a8==15) && ( 306 < a23 && ( ((140 < a29) && (245 >= a29)) && ((input == 1) && ((a25==9) || (a25==10)))))) && (a4==1)) && (a3==1))) [L696] COND FALSE !((!(a4==1) && (((((a3==1) && ((input == 2) && (((a25==9) || (a25==10)) || (a25==11)))) && ((140 < a29) && (245 >= a29)) ) && a23 <= -43 ) && (a8==15)))) [L708] COND FALSE !(((((((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))) && (input == 6)) && (a3==1)) && 306 < a23 ) && (a4==1)) && (a8==15))) [L714] COND FALSE !(( 306 < a23 && ((a8==15) && ( 277 < a29 && ((a4==1) && ((a3==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 5)))))))) [L719] COND FALSE !(((( 277 < a29 && ((a8==15) && (((input == 6) && a23 <= -43 ) && (a25==13)))) && !(a4==1)) && (a3==1))) [L733] COND FALSE !(((a3==1) && (((!(a4==1) && ((( ((140 < a29) && (245 >= a29)) && (a25==10)) || (( a29 <= 140 && (a25==13)) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))) && (input == 3))) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)))) [L740] COND FALSE !(((a3==1) && (( 306 < a23 && (((a4==1) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 1))) && a29 <= 140 )) && (a8==15)))) [L745] COND FALSE !((((( a23 <= -43 && ((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))))) && (a3==1)) && !(a4==1)) && (a8==15))) [L752] COND FALSE !(((!(a4==1) && (((a8==15) && ( a29 <= 140 && (((a25==10) || (a25==11)) && (input == 5)))) && a23 <= -43 )) && (a3==1))) [L759] COND FALSE !((((((a8==15) && ((a3==1) && ( a23 <= -43 && (input == 5)))) && !(a4==1)) && (a25==13)) && 277 < a29 )) [L771] COND FALSE !(((a8==15) && ((a3==1) && ( 306 < a23 && ((((((a25==11) || (a25==12)) || (a25==13)) && (input == 1)) && (a4==1)) && ((245 < a29) && (277 >= a29)) ))))) [L776] COND TRUE (!(a4==1) && (((((((a25==12) || (a25==13)) && (input == 6)) && (a8==15)) && a23 <= -43 ) && (a3==1)) && a29 <= 140 )) [L777] a23 = (((((a23 % 83)- -241) * 10)/ 9) - 2) [L778] a4 = 1 [L779] a25 = 9 [L781] return -1; [L1044] RET, EXPR calculate_output(input) [L1044] output = calculate_output(input) [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L34] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L37] COND TRUE ((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15)) [L38] CALL reach_error() [L4] __assert_fail("0", "Problem11_label39.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 138.7s, OverallIterations: 19, TraceHistogramMax: 4, AutomataDifference: 69.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 853 SDtfs, 14090 SDslu, 1536 SDs, 0 SdLazy, 25919 SolverSat, 4859 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 45.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 333 GetRequests, 156 SyntacticMatches, 1 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23249occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.7s AutomataMinimizationTime, 18 MinimizatonAttempts, 3646 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 60.5s InterpolantComputationTime, 4808 NumberOfCodeBlocks, 4808 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4409 ConstructedInterpolants, 0 QuantifiedInterpolants, 5203116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 4 PerfectInterpolantSequences, 2439/3070 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...