/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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/Problem10_label50.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 12:01:06,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 12:01:06,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 12:01:06,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 12:01:06,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 12:01:06,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 12:01:06,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 12:01:06,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 12:01:06,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 12:01:06,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 12:01:06,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 12:01:06,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 12:01:06,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 12:01:06,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 12:01:06,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 12:01:06,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 12:01:06,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 12:01:06,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 12:01:06,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 12:01:06,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 12:01:06,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 12:01:06,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 12:01:06,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 12:01:06,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 12:01:06,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 12:01:06,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 12:01:06,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 12:01:06,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 12:01:06,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 12:01:06,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 12:01:06,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 12:01:06,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 12:01:06,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 12:01:06,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 12:01:06,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 12:01:06,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 12:01:06,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 12:01:06,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 12:01:06,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 12:01:06,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 12:01:06,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 12:01:06,409 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 [2020-10-28 12:01:06,462 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 12:01:06,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 12:01:06,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 12:01:06,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 12:01:06,468 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 12:01:06,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 12:01:06,468 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 12:01:06,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 12:01:06,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 12:01:06,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 12:01:06,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 12:01:06,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 12:01:06,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 12:01:06,471 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 12:01:06,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 12:01:06,471 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 12:01:06,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 12:01:06,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 12:01:06,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 12:01:06,472 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 12:01:06,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 12:01:06,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 12:01:06,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 12:01:06,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 12:01:06,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 12:01:06,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 12:01:06,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 12:01:06,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 12:01:06,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 12:01:06,475 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 12:01:06,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 12:01:06,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 12:01:06,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 12:01:06,926 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 12:01:06,927 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 12:01:06,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label50.c [2020-10-28 12:01:07,026 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a1e36a0c3/03371dab48e54ab8ba38c72ae573b6ed/FLAGacb3a01a8 [2020-10-28 12:01:07,732 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 12:01:07,734 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label50.c [2020-10-28 12:01:07,752 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a1e36a0c3/03371dab48e54ab8ba38c72ae573b6ed/FLAGacb3a01a8 [2020-10-28 12:01:07,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a1e36a0c3/03371dab48e54ab8ba38c72ae573b6ed [2020-10-28 12:01:07,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 12:01:08,004 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 12:01:08,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 12:01:08,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 12:01:08,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 12:01:08,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 12:01:07" (1/1) ... [2020-10-28 12:01:08,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da95992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:01:08, skipping insertion in model container [2020-10-28 12:01:08,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 12:01:07" (1/1) ... [2020-10-28 12:01:08,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 12:01:08,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 12:01:08,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 12:01:08,670 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 12:01:08,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 12:01:08,929 INFO L208 MainTranslator]: Completed translation [2020-10-28 12:01:08,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:01:08 WrapperNode [2020-10-28 12:01:08,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 12:01:08,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 12:01:08,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 12:01:08,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 12:01:08,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:01:08" (1/1) ... [2020-10-28 12:01:08,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:01:08" (1/1) ... [2020-10-28 12:01:08,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:01:08" (1/1) ... [2020-10-28 12:01:08,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:01:08" (1/1) ... [2020-10-28 12:01:09,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:01:08" (1/1) ... [2020-10-28 12:01:09,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:01:08" (1/1) ... [2020-10-28 12:01:09,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:01:08" (1/1) ... [2020-10-28 12:01:09,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 12:01:09,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 12:01:09,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 12:01:09,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 12:01:09,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:01:08" (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 [2020-10-28 12:01:09,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 12:01:09,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 12:01:09,155 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 12:01:09,156 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 12:01:09,156 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 12:01:09,156 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 12:01:09,157 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 12:01:09,157 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 12:01:09,157 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 12:01:09,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 12:01:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 12:01:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 12:01:09,158 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 12:01:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 12:01:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 12:01:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 12:01:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 12:01:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 12:01:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 12:01:10,755 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 12:01:10,755 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 12:01:10,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 12:01:10 BoogieIcfgContainer [2020-10-28 12:01:10,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 12:01:10,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 12:01:10,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 12:01:10,764 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 12:01:10,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 12:01:07" (1/3) ... [2020-10-28 12:01:10,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a72ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 12:01:10, skipping insertion in model container [2020-10-28 12:01:10,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 12:01:08" (2/3) ... [2020-10-28 12:01:10,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a72ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 12:01:10, skipping insertion in model container [2020-10-28 12:01:10,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 12:01:10" (3/3) ... [2020-10-28 12:01:10,768 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label50.c [2020-10-28 12:01:10,781 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 12:01:10,787 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 12:01:10,801 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 12:01:10,831 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 12:01:10,831 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 12:01:10,831 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 12:01:10,832 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 12:01:10,832 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 12:01:10,832 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 12:01:10,832 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 12:01:10,832 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 12:01:10,856 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-28 12:01:10,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-28 12:01:10,862 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:01:10,863 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:01:10,864 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:01:10,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:01:10,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1820384268, now seen corresponding path program 1 times [2020-10-28 12:01:10,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:01:10,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1586543365] [2020-10-28 12:01:10,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:01:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:11,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:11,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:11,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 12:01:11,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:11,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 508 [2020-10-28 12:01:11,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:11,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:11,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:01:11,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:01:11,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 12:01:11,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 12:01:11,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:01:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:11,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:11,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:11,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:01:11,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:11,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-28 12:01:11,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:11,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:11,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:01:11,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:11,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:01:11,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:01:11,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:01:11,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1586543365] [2020-10-28 12:01:11,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:01:11,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 12:01:11,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626123716] [2020-10-28 12:01:11,824 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 12:01:11,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:01:11,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 12:01:11,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 12:01:11,849 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-28 12:01:14,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:01:14,082 INFO L93 Difference]: Finished difference Result 586 states and 1012 transitions. [2020-10-28 12:01:14,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:01:14,084 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-28 12:01:14,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:01:14,100 INFO L225 Difference]: With dead ends: 586 [2020-10-28 12:01:14,101 INFO L226 Difference]: Without dead ends: 303 [2020-10-28 12:01:14,109 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:01:14,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-28 12:01:14,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-10-28 12:01:14,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-28 12:01:14,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 396 transitions. [2020-10-28 12:01:14,192 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 396 transitions. Word has length 16 [2020-10-28 12:01:14,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:01:14,193 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 396 transitions. [2020-10-28 12:01:14,193 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 12:01:14,194 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 396 transitions. [2020-10-28 12:01:14,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-28 12:01:14,198 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:01:14,198 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 12:01:14,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 12:01:14,199 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:01:14,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:01:14,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1930199696, now seen corresponding path program 1 times [2020-10-28 12:01:14,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:01:14,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [98534579] [2020-10-28 12:01:14,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:01:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:14,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:14,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:15,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:15,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 12:01:15,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:01:15,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 983 [2020-10-28 12:01:15,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:15,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:15,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:15,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 12:01:15,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 12:01:15,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:01:15,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:01:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:15,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:15,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:15,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:01:15,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:15,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 12:01:15,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:15,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:15,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:01:15,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:15,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:01:15,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 12:01:15,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:01:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:15,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:15,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:15,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 12:01:15,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:15,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-28 12:01:15,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:15,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:15,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:01:15,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:15,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 12:01:15,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:01:15,588 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:01:15,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [98534579] [2020-10-28 12:01:15,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:01:15,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:01:15,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837153617] [2020-10-28 12:01:15,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:01:15,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:01:15,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:01:15,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:01:15,594 INFO L87 Difference]: Start difference. First operand 299 states and 396 transitions. Second operand 5 states. [2020-10-28 12:01:17,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:01:17,319 INFO L93 Difference]: Finished difference Result 596 states and 804 transitions. [2020-10-28 12:01:17,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:01:17,323 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 86 [2020-10-28 12:01:17,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:01:17,330 INFO L225 Difference]: With dead ends: 596 [2020-10-28 12:01:17,330 INFO L226 Difference]: Without dead ends: 593 [2020-10-28 12:01:17,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:01:17,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-28 12:01:17,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 444. [2020-10-28 12:01:17,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-10-28 12:01:17,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 621 transitions. [2020-10-28 12:01:17,382 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 621 transitions. Word has length 86 [2020-10-28 12:01:17,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:01:17,383 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 621 transitions. [2020-10-28 12:01:17,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:01:17,383 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 621 transitions. [2020-10-28 12:01:17,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-28 12:01:17,387 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:01:17,387 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 12:01:17,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 12:01:17,388 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:01:17,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:01:17,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1849339292, now seen corresponding path program 1 times [2020-10-28 12:01:17,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:01:17,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [810878522] [2020-10-28 12:01:17,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:01:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:17,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:17,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:17,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:18,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:18,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-28 12:01:18,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:01:18,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 851 [2020-10-28 12:01:18,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:18,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:18,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:01:18,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:01:18,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-28 12:01:18,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:01:18,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:01:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:18,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:18,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:18,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:01:18,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:18,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 12:01:18,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:18,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:18,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:01:18,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:18,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:01:18,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:01:18,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:01:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:18,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:18,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:18,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:01:18,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:18,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-28 12:01:18,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:18,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:18,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:18,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:01:18,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:01:18,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:01:18,730 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:01:18,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [810878522] [2020-10-28 12:01:18,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 12:01:18,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 12:01:18,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595606232] [2020-10-28 12:01:18,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:01:18,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:01:18,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:01:18,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:01:18,734 INFO L87 Difference]: Start difference. First operand 444 states and 621 transitions. Second operand 7 states. [2020-10-28 12:01:20,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:01:20,808 INFO L93 Difference]: Finished difference Result 1198 states and 1703 transitions. [2020-10-28 12:01:20,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 12:01:20,809 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 89 [2020-10-28 12:01:20,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:01:20,816 INFO L225 Difference]: With dead ends: 1198 [2020-10-28 12:01:20,816 INFO L226 Difference]: Without dead ends: 760 [2020-10-28 12:01:20,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:01:20,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-10-28 12:01:20,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 742. [2020-10-28 12:01:20,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2020-10-28 12:01:20,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 968 transitions. [2020-10-28 12:01:20,894 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 968 transitions. Word has length 89 [2020-10-28 12:01:20,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:01:20,894 INFO L481 AbstractCegarLoop]: Abstraction has 742 states and 968 transitions. [2020-10-28 12:01:20,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:01:20,895 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 968 transitions. [2020-10-28 12:01:20,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-28 12:01:20,898 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:01:20,899 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 12:01:20,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 12:01:20,899 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:01:20,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:01:20,900 INFO L82 PathProgramCache]: Analyzing trace with hash 2032011664, now seen corresponding path program 1 times [2020-10-28 12:01:20,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:01:20,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1790010125] [2020-10-28 12:01:20,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:01:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:20,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:21,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:21,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 12:01:21,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:21,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-10-28 12:01:21,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:21,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:21,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:21,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 12:01:21,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 12:01:21,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:01:21,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:01:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:21,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:21,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:21,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:01:21,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:21,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 12:01:21,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:21,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:21,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:01:21,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:21,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:01:21,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:21,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:01:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:21,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:21,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:21,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 12:01:21,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:21,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-28 12:01:21,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:21,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:21,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:01:21,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:21,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:01:21,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:01:21,500 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 12:01:21,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1790010125] [2020-10-28 12:01:21,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:01:21,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:01:21,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112858281] [2020-10-28 12:01:21,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:01:21,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:01:21,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:01:21,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:01:21,514 INFO L87 Difference]: Start difference. First operand 742 states and 968 transitions. Second operand 5 states. [2020-10-28 12:01:23,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:01:23,123 INFO L93 Difference]: Finished difference Result 1778 states and 2372 transitions. [2020-10-28 12:01:23,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:01:23,124 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2020-10-28 12:01:23,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:01:23,131 INFO L225 Difference]: With dead ends: 1778 [2020-10-28 12:01:23,132 INFO L226 Difference]: Without dead ends: 1042 [2020-10-28 12:01:23,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:01:23,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2020-10-28 12:01:23,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1036. [2020-10-28 12:01:23,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1036 states. [2020-10-28 12:01:23,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1296 transitions. [2020-10-28 12:01:23,190 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1296 transitions. Word has length 95 [2020-10-28 12:01:23,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:01:23,191 INFO L481 AbstractCegarLoop]: Abstraction has 1036 states and 1296 transitions. [2020-10-28 12:01:23,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:01:23,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1296 transitions. [2020-10-28 12:01:23,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-28 12:01:23,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:01:23,206 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:01:23,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 12:01:23,207 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:01:23,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:01:23,207 INFO L82 PathProgramCache]: Analyzing trace with hash 814756076, now seen corresponding path program 1 times [2020-10-28 12:01:23,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:01:23,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1985454646] [2020-10-28 12:01:23,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:01:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:23,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:23,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:24,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:24,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:24,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-28 12:01:24,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:01:24,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 905 [2020-10-28 12:01:24,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:24,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:24,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:01:24,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 12:01:24,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-28 12:01:24,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:24,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:01:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:24,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:24,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:24,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:01:24,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:24,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 12:01:24,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:24,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:24,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:01:24,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:24,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:01:24,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:24,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:01:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:24,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:24,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:24,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 12:01:24,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:24,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-28 12:01:24,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:24,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:24,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:01:24,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:24,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 12:01:24,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:01:24,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 12:01:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:24,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:24,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:24,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:24,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-28 12:01:24,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:01:24,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 383 [2020-10-28 12:01:24,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:24,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:24,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:24,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:01:24,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-28 12:01:24,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 12:01:24,996 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 73 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 12:01:24,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1985454646] [2020-10-28 12:01:24,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:01:24,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:01:24,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320476392] [2020-10-28 12:01:24,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:01:24,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:01:24,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:01:24,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:01:25,000 INFO L87 Difference]: Start difference. First operand 1036 states and 1296 transitions. Second operand 7 states. [2020-10-28 12:01:27,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:01:27,415 INFO L93 Difference]: Finished difference Result 2976 states and 3823 transitions. [2020-10-28 12:01:27,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 12:01:27,420 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 176 [2020-10-28 12:01:27,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:01:27,432 INFO L225 Difference]: With dead ends: 2976 [2020-10-28 12:01:27,432 INFO L226 Difference]: Without dead ends: 1946 [2020-10-28 12:01:27,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-28 12:01:27,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1946 states. [2020-10-28 12:01:27,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1946 to 1350. [2020-10-28 12:01:27,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1350 states. [2020-10-28 12:01:27,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 1649 transitions. [2020-10-28 12:01:27,505 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 1649 transitions. Word has length 176 [2020-10-28 12:01:27,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:01:27,506 INFO L481 AbstractCegarLoop]: Abstraction has 1350 states and 1649 transitions. [2020-10-28 12:01:27,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:01:27,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1649 transitions. [2020-10-28 12:01:27,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-28 12:01:27,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:01:27,514 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:01:27,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 12:01:27,514 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:01:27,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:01:27,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1450764560, now seen corresponding path program 1 times [2020-10-28 12:01:27,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:01:27,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1784090963] [2020-10-28 12:01:27,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:01:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:27,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:27,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:28,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:30,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:31,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:31,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-28 12:01:31,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 12:01:31,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3784 [2020-10-28 12:01:31,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:31,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:31,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:01:31,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-28 12:01:31,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-28 12:01:31,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:31,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:01:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:31,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:31,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:31,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:01:31,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:31,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 12:01:31,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:31,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:31,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:01:31,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:31,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:01:31,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:01:31,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:01:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:31,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:31,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:31,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 12:01:31,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:31,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-28 12:01:31,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:31,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:31,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:01:31,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:31,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-28 12:01:31,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:31,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 12:01:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:31,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:31,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:31,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:31,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-28 12:01:31,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:01:31,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-28 12:01:31,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:31,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:31,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:01:31,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:31,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-28 12:01:31,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:31,897 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-28 12:01:31,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1784090963] [2020-10-28 12:01:31,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:01:31,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:01:31,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343068399] [2020-10-28 12:01:31,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:01:31,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:01:31,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:01:31,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:01:31,900 INFO L87 Difference]: Start difference. First operand 1350 states and 1649 transitions. Second operand 7 states. [2020-10-28 12:01:35,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:01:35,063 INFO L93 Difference]: Finished difference Result 3576 states and 4544 transitions. [2020-10-28 12:01:35,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 12:01:35,064 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2020-10-28 12:01:35,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:01:35,078 INFO L225 Difference]: With dead ends: 3576 [2020-10-28 12:01:35,078 INFO L226 Difference]: Without dead ends: 2232 [2020-10-28 12:01:35,083 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-28 12:01:35,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2232 states. [2020-10-28 12:01:35,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2232 to 1940. [2020-10-28 12:01:35,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1940 states. [2020-10-28 12:01:35,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1940 states to 1940 states and 2344 transitions. [2020-10-28 12:01:35,164 INFO L78 Accepts]: Start accepts. Automaton has 1940 states and 2344 transitions. Word has length 183 [2020-10-28 12:01:35,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:01:35,165 INFO L481 AbstractCegarLoop]: Abstraction has 1940 states and 2344 transitions. [2020-10-28 12:01:35,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:01:35,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1940 states and 2344 transitions. [2020-10-28 12:01:35,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-28 12:01:35,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:01:35,170 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:01:35,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 12:01:35,171 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:01:35,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:01:35,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1852657888, now seen corresponding path program 1 times [2020-10-28 12:01:35,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:01:35,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1213646732] [2020-10-28 12:01:35,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:01:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:35,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:35,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:36,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:36,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-28 12:01:36,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:01:36,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1256 [2020-10-28 12:01:36,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:36,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:36,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:01:36,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 12:01:36,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 12:01:36,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:36,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:01:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:36,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:36,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:36,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:01:36,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:36,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 12:01:36,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:36,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:36,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:01:36,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:36,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 12:01:36,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:36,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:01:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:36,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:36,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:36,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 12:01:36,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:36,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-28 12:01:36,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:36,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:36,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:36,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:01:36,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 12:01:36,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:36,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 12:01:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:36,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:36,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:36,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 12:01:36,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:36,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 12:01:36,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:36,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:36,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:01:36,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-28 12:01:36,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:01:36,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:36,961 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 16 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 12:01:36,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1213646732] [2020-10-28 12:01:36,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:01:36,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:01:36,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996941148] [2020-10-28 12:01:36,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:01:36,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:01:36,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:01:36,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:01:36,963 INFO L87 Difference]: Start difference. First operand 1940 states and 2344 transitions. Second operand 7 states. [2020-10-28 12:01:38,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:01:38,741 INFO L93 Difference]: Finished difference Result 4043 states and 4896 transitions. [2020-10-28 12:01:38,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 12:01:38,742 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 191 [2020-10-28 12:01:38,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:01:38,754 INFO L225 Difference]: With dead ends: 4043 [2020-10-28 12:01:38,754 INFO L226 Difference]: Without dead ends: 2109 [2020-10-28 12:01:38,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-28 12:01:38,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2109 states. [2020-10-28 12:01:38,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2109 to 2091. [2020-10-28 12:01:38,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2091 states. [2020-10-28 12:01:38,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2091 states to 2091 states and 2516 transitions. [2020-10-28 12:01:38,834 INFO L78 Accepts]: Start accepts. Automaton has 2091 states and 2516 transitions. Word has length 191 [2020-10-28 12:01:38,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:01:38,834 INFO L481 AbstractCegarLoop]: Abstraction has 2091 states and 2516 transitions. [2020-10-28 12:01:38,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:01:38,835 INFO L276 IsEmpty]: Start isEmpty. Operand 2091 states and 2516 transitions. [2020-10-28 12:01:38,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-28 12:01:38,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:01:38,841 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:01:38,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 12:01:38,841 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:01:38,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:01:38,842 INFO L82 PathProgramCache]: Analyzing trace with hash -145151592, now seen corresponding path program 1 times [2020-10-28 12:01:38,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:01:38,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [84864634] [2020-10-28 12:01:38,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:01:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:38,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:39,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:39,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:39,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:39,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:40,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:42,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:42,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-28 12:01:42,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 12:01:42,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3904 [2020-10-28 12:01:42,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:42,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:42,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 12:01:42,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 12:01:42,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-28 12:01:42,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:42,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:01:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:42,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:42,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:42,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:01:42,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:42,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:01:42,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:42,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:42,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:01:42,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:42,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:01:42,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:43,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:01:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:43,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:43,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:43,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 12:01:43,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:43,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-28 12:01:43,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:43,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:43,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:01:43,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:43,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:01:43,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:43,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 12:01:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:43,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:43,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:43,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 12:01:43,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:43,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-28 12:01:43,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:43,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:43,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:43,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:01:43,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-28 12:01:43,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:43,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 12:01:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:43,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:43,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:43,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:01:43,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:43,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-28 12:01:43,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:43,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:43,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:43,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:01:43,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:01:43,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:43,709 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 163 proven. 71 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-28 12:01:43,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [84864634] [2020-10-28 12:01:43,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:01:43,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-28 12:01:43,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388195211] [2020-10-28 12:01:43,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 12:01:43,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:01:43,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 12:01:43,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 12:01:43,712 INFO L87 Difference]: Start difference. First operand 2091 states and 2516 transitions. Second operand 9 states. [2020-10-28 12:01:47,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:01:47,107 INFO L93 Difference]: Finished difference Result 4934 states and 6073 transitions. [2020-10-28 12:01:47,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 12:01:47,108 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 240 [2020-10-28 12:01:47,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:01:47,125 INFO L225 Difference]: With dead ends: 4934 [2020-10-28 12:01:47,126 INFO L226 Difference]: Without dead ends: 2992 [2020-10-28 12:01:47,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2020-10-28 12:01:47,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2992 states. [2020-10-28 12:01:47,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2992 to 2838. [2020-10-28 12:01:47,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2838 states. [2020-10-28 12:01:47,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2838 states to 2838 states and 3373 transitions. [2020-10-28 12:01:47,223 INFO L78 Accepts]: Start accepts. Automaton has 2838 states and 3373 transitions. Word has length 240 [2020-10-28 12:01:47,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:01:47,224 INFO L481 AbstractCegarLoop]: Abstraction has 2838 states and 3373 transitions. [2020-10-28 12:01:47,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 12:01:47,224 INFO L276 IsEmpty]: Start isEmpty. Operand 2838 states and 3373 transitions. [2020-10-28 12:01:47,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-10-28 12:01:47,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:01:47,231 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:01:47,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 12:01:47,232 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:01:47,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:01:47,232 INFO L82 PathProgramCache]: Analyzing trace with hash -989763160, now seen corresponding path program 1 times [2020-10-28 12:01:47,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:01:47,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1720522939] [2020-10-28 12:01:47,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:01:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:47,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:47,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:47,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:47,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:48,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:51,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:51,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-28 12:01:51,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 12:01:51,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4098 [2020-10-28 12:01:51,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:51,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:51,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:51,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 12:01:51,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-28 12:01:51,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:51,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:01:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:51,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:51,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:51,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:01:51,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:51,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 12:01:51,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:51,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:51,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:01:51,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:51,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:01:51,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:51,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:01:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:51,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:51,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:51,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 12:01:51,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:51,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-28 12:01:51,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:51,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:51,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:01:51,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:51,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:01:51,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:51,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 12:01:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:51,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:51,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:51,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 12:01:51,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:51,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-28 12:01:51,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:51,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:51,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:51,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:01:51,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-28 12:01:51,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:51,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-28 12:01:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:51,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:51,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:51,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:01:51,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:51,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-28 12:01:51,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:51,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:51,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:01:51,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 12:01:51,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:01:51,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:52,109 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 104 proven. 72 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-28 12:01:52,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1720522939] [2020-10-28 12:01:52,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:01:52,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 12:01:52,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387525137] [2020-10-28 12:01:52,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 12:01:52,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:01:52,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 12:01:52,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-28 12:01:52,124 INFO L87 Difference]: Start difference. First operand 2838 states and 3373 transitions. Second operand 8 states. [2020-10-28 12:01:54,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:01:54,939 INFO L93 Difference]: Finished difference Result 6828 states and 8101 transitions. [2020-10-28 12:01:54,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:01:54,943 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 253 [2020-10-28 12:01:54,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:01:54,958 INFO L225 Difference]: With dead ends: 6828 [2020-10-28 12:01:54,958 INFO L226 Difference]: Without dead ends: 2826 [2020-10-28 12:01:54,969 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-10-28 12:01:54,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2826 states. [2020-10-28 12:01:55,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2826 to 2681. [2020-10-28 12:01:55,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2681 states. [2020-10-28 12:01:55,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2681 states to 2681 states and 2979 transitions. [2020-10-28 12:01:55,065 INFO L78 Accepts]: Start accepts. Automaton has 2681 states and 2979 transitions. Word has length 253 [2020-10-28 12:01:55,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:01:55,065 INFO L481 AbstractCegarLoop]: Abstraction has 2681 states and 2979 transitions. [2020-10-28 12:01:55,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 12:01:55,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2681 states and 2979 transitions. [2020-10-28 12:01:55,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-10-28 12:01:55,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:01:55,074 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-28 12:01:55,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 12:01:55,074 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:01:55,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:01:55,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1827185116, now seen corresponding path program 1 times [2020-10-28 12:01:55,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:01:55,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [440226644] [2020-10-28 12:01:55,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:01:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:55,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:55,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:56,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:56,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-28 12:01:56,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:01:56,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1518 [2020-10-28 12:01:56,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:56,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:56,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:56,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 12:01:56,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-28 12:01:56,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:56,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:01:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:56,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:56,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:56,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:01:56,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:56,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 12:01:56,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:56,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:56,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:01:56,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:56,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:01:56,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:56,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:01:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:56,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:56,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:56,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 12:01:56,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:56,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 12:01:56,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:56,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:56,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:01:56,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:01:56,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 12:01:56,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:56,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 12:01:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:56,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:56,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:56,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 12:01:56,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:56,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-28 12:01:56,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:56,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:56,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:01:56,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:01:56,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 12:01:56,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:57,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-28 12:01:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:57,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:57,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:01:57,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 12:01:57,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:01:57,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-28 12:01:57,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:01:57,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:01:57,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:01:57,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-28 12:01:57,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:01:57,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:01:57,234 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 95 proven. 76 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-28 12:01:57,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [440226644] [2020-10-28 12:01:57,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:01:57,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:01:57,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064050608] [2020-10-28 12:01:57,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:01:57,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:01:57,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:01:57,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:01:57,237 INFO L87 Difference]: Start difference. First operand 2681 states and 2979 transitions. Second operand 7 states. [2020-10-28 12:01:59,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:01:59,121 INFO L93 Difference]: Finished difference Result 5249 states and 5896 transitions. [2020-10-28 12:01:59,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:01:59,122 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 261 [2020-10-28 12:01:59,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:01:59,136 INFO L225 Difference]: With dead ends: 5249 [2020-10-28 12:01:59,136 INFO L226 Difference]: Without dead ends: 2717 [2020-10-28 12:01:59,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:01:59,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2020-10-28 12:01:59,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 2679. [2020-10-28 12:01:59,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2679 states. [2020-10-28 12:01:59,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 2679 states and 2939 transitions. [2020-10-28 12:01:59,279 INFO L78 Accepts]: Start accepts. Automaton has 2679 states and 2939 transitions. Word has length 261 [2020-10-28 12:01:59,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:01:59,280 INFO L481 AbstractCegarLoop]: Abstraction has 2679 states and 2939 transitions. [2020-10-28 12:01:59,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:01:59,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2679 states and 2939 transitions. [2020-10-28 12:01:59,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-10-28 12:01:59,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:01:59,288 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 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] [2020-10-28 12:01:59,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 12:01:59,288 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:01:59,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:01:59,289 INFO L82 PathProgramCache]: Analyzing trace with hash 501419444, now seen corresponding path program 1 times [2020-10-28 12:01:59,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:01:59,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1395039158] [2020-10-28 12:01:59,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:01:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:01:59,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:59,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:01:59,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:01,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:01,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-10-28 12:02:01,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:02:01,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2115 [2020-10-28 12:02:01,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:01,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:01,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:02:01,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 179 [2020-10-28 12:02:01,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-28 12:02:01,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:01,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:02:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:01,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:01,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:01,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:02:01,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:01,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 12:02:01,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:01,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:01,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:02:01,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:01,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:02:01,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:01,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:02:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:01,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:01,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:01,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 12:02:01,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:01,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 12:02:01,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:01,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:01,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:02:01,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:01,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:02:01,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:01,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 12:02:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:01,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:01,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:01,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 12:02:01,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:01,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-28 12:02:01,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:01,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:01,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:02:01,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:01,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-28 12:02:01,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:01,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-28 12:02:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:01,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:01,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:01,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 12:02:01,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:01,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-28 12:02:01,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:01,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:01,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:02:01,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:02:01,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-28 12:02:01,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:02,017 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-28 12:02:02,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1395039158] [2020-10-28 12:02:02,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:02:02,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:02:02,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837557211] [2020-10-28 12:02:02,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:02:02,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:02:02,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:02:02,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:02:02,021 INFO L87 Difference]: Start difference. First operand 2679 states and 2939 transitions. Second operand 7 states. [2020-10-28 12:02:04,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:02:04,014 INFO L93 Difference]: Finished difference Result 5217 states and 5742 transitions. [2020-10-28 12:02:04,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:02:04,015 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 281 [2020-10-28 12:02:04,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:02:04,028 INFO L225 Difference]: With dead ends: 5217 [2020-10-28 12:02:04,028 INFO L226 Difference]: Without dead ends: 2687 [2020-10-28 12:02:04,034 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:02:04,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2687 states. [2020-10-28 12:02:04,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2687 to 2534. [2020-10-28 12:02:04,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2534 states. [2020-10-28 12:02:04,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2534 states and 2747 transitions. [2020-10-28 12:02:04,113 INFO L78 Accepts]: Start accepts. Automaton has 2534 states and 2747 transitions. Word has length 281 [2020-10-28 12:02:04,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:02:04,114 INFO L481 AbstractCegarLoop]: Abstraction has 2534 states and 2747 transitions. [2020-10-28 12:02:04,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:02:04,114 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 2747 transitions. [2020-10-28 12:02:04,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-10-28 12:02:04,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:02:04,122 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-28 12:02:04,122 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 12:02:04,122 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:02:04,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:02:04,123 INFO L82 PathProgramCache]: Analyzing trace with hash -626651296, now seen corresponding path program 1 times [2020-10-28 12:02:04,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:02:04,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1349092193] [2020-10-28 12:02:04,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:02:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:04,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:04,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:05,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:06,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:06,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-10-28 12:02:06,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:02:06,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1776 [2020-10-28 12:02:06,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:06,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:06,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:02:06,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-28 12:02:06,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 12:02:06,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:06,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:02:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:06,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:06,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:06,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:02:06,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:06,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 12:02:06,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:06,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:06,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:02:06,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:06,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:02:06,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:06,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:02:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:06,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:06,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:06,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 12:02:06,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:06,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 12:02:06,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:06,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:06,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:02:06,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:06,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:02:06,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:06,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 12:02:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:06,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:06,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:06,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 12:02:06,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:06,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-28 12:02:06,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:06,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:06,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:02:06,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:06,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-28 12:02:06,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:06,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-28 12:02:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:06,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:06,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:06,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:02:06,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:06,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-28 12:02:06,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:06,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:06,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:02:06,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:02:06,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:02:06,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:06,666 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 169 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-28 12:02:06,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1349092193] [2020-10-28 12:02:06,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:02:06,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:02:06,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960224246] [2020-10-28 12:02:06,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:02:06,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:02:06,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:02:06,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:02:06,668 INFO L87 Difference]: Start difference. First operand 2534 states and 2747 transitions. Second operand 7 states. [2020-10-28 12:02:08,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:02:08,931 INFO L93 Difference]: Finished difference Result 5213 states and 5696 transitions. [2020-10-28 12:02:08,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 12:02:08,932 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 289 [2020-10-28 12:02:08,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:02:08,944 INFO L225 Difference]: With dead ends: 5213 [2020-10-28 12:02:08,944 INFO L226 Difference]: Without dead ends: 2828 [2020-10-28 12:02:08,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:02:08,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2020-10-28 12:02:09,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2822. [2020-10-28 12:02:09,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2822 states. [2020-10-28 12:02:09,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2822 states to 2822 states and 3069 transitions. [2020-10-28 12:02:09,023 INFO L78 Accepts]: Start accepts. Automaton has 2822 states and 3069 transitions. Word has length 289 [2020-10-28 12:02:09,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:02:09,024 INFO L481 AbstractCegarLoop]: Abstraction has 2822 states and 3069 transitions. [2020-10-28 12:02:09,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:02:09,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2822 states and 3069 transitions. [2020-10-28 12:02:09,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-10-28 12:02:09,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:02:09,031 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-28 12:02:09,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 12:02:09,031 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:02:09,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:02:09,032 INFO L82 PathProgramCache]: Analyzing trace with hash 282966316, now seen corresponding path program 1 times [2020-10-28 12:02:09,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:02:09,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2136289050] [2020-10-28 12:02:09,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:02:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:09,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:09,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:09,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:10,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:10,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 323 [2020-10-28 12:02:10,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 12:02:10,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1524 [2020-10-28 12:02:10,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:10,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:10,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:02:10,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 230 [2020-10-28 12:02:10,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 12:02:10,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:10,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:02:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:10,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:10,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:10,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:02:10,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:10,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 12:02:10,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:10,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:10,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:02:10,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:10,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:02:10,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:10,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:02:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:10,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:10,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:10,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-28 12:02:10,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:10,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 12:02:10,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:10,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:10,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:02:10,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:10,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:02:10,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:10,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 12:02:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:10,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:10,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:10,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 12:02:10,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:10,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-28 12:02:10,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:10,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:10,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:02:10,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:10,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 12:02:10,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:10,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-28 12:02:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:10,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:11,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:11,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:02:11,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:11,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-28 12:02:11,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:11,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:11,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:02:11,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:02:11,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 12:02:11,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:11,228 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 169 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-28 12:02:11,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2136289050] [2020-10-28 12:02:11,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:02:11,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:02:11,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905413144] [2020-10-28 12:02:11,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:02:11,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:02:11,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:02:11,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:02:11,231 INFO L87 Difference]: Start difference. First operand 2822 states and 3069 transitions. Second operand 7 states. [2020-10-28 12:02:13,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:02:13,373 INFO L93 Difference]: Finished difference Result 5656 states and 6160 transitions. [2020-10-28 12:02:13,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 12:02:13,375 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 307 [2020-10-28 12:02:13,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:02:13,388 INFO L225 Difference]: With dead ends: 5656 [2020-10-28 12:02:13,388 INFO L226 Difference]: Without dead ends: 2983 [2020-10-28 12:02:13,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 12:02:13,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2983 states. [2020-10-28 12:02:13,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2983 to 2969. [2020-10-28 12:02:13,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2969 states. [2020-10-28 12:02:13,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2969 states to 2969 states and 3224 transitions. [2020-10-28 12:02:13,478 INFO L78 Accepts]: Start accepts. Automaton has 2969 states and 3224 transitions. Word has length 307 [2020-10-28 12:02:13,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:02:13,479 INFO L481 AbstractCegarLoop]: Abstraction has 2969 states and 3224 transitions. [2020-10-28 12:02:13,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:02:13,479 INFO L276 IsEmpty]: Start isEmpty. Operand 2969 states and 3224 transitions. [2020-10-28 12:02:13,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-10-28 12:02:13,488 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:02:13,488 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-28 12:02:13,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 12:02:13,489 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:02:13,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:02:13,489 INFO L82 PathProgramCache]: Analyzing trace with hash -874274212, now seen corresponding path program 1 times [2020-10-28 12:02:13,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:02:13,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1936535814] [2020-10-28 12:02:13,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:02:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:13,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:13,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:13,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 341 [2020-10-28 12:02:13,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:13,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 336 [2020-10-28 12:02:13,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:13,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:02:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 323 [2020-10-28 12:02:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 12:02:13,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:13,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:02:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:14,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:14,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:14,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:02:14,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:14,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 12:02:14,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:14,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:14,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:02:14,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:14,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:02:14,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:14,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:02:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:14,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:14,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:14,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-28 12:02:14,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:14,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 12:02:14,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:14,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:14,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:02:14,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:14,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:02:14,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:14,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-28 12:02:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:14,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:14,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:14,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 12:02:14,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:14,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 12:02:14,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:14,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:14,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:02:14,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:14,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:02:14,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:14,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-28 12:02:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:14,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:14,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:14,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 12:02:14,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:14,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-28 12:02:14,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:14,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:14,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:02:14,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:14,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-28 12:02:14,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:14,403 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-10-28 12:02:14,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1936535814] [2020-10-28 12:02:14,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:02:14,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 12:02:14,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169163593] [2020-10-28 12:02:14,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 12:02:14,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:02:14,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 12:02:14,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:02:14,405 INFO L87 Difference]: Start difference. First operand 2969 states and 3224 transitions. Second operand 6 states. [2020-10-28 12:02:16,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:02:16,463 INFO L93 Difference]: Finished difference Result 3119 states and 3375 transitions. [2020-10-28 12:02:16,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 12:02:16,464 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 325 [2020-10-28 12:02:16,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:02:16,476 INFO L225 Difference]: With dead ends: 3119 [2020-10-28 12:02:16,476 INFO L226 Difference]: Without dead ends: 2969 [2020-10-28 12:02:16,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 12:02:16,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2969 states. [2020-10-28 12:02:16,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2969 to 2965. [2020-10-28 12:02:16,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2965 states. [2020-10-28 12:02:16,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2965 states and 3216 transitions. [2020-10-28 12:02:16,561 INFO L78 Accepts]: Start accepts. Automaton has 2965 states and 3216 transitions. Word has length 325 [2020-10-28 12:02:16,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:02:16,562 INFO L481 AbstractCegarLoop]: Abstraction has 2965 states and 3216 transitions. [2020-10-28 12:02:16,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 12:02:16,562 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 3216 transitions. [2020-10-28 12:02:16,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-10-28 12:02:16,567 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:02:16,568 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 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] [2020-10-28 12:02:16,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 12:02:16,568 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:02:16,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:02:16,569 INFO L82 PathProgramCache]: Analyzing trace with hash 799905992, now seen corresponding path program 1 times [2020-10-28 12:02:16,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:02:16,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831375414] [2020-10-28 12:02:16,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:02:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:16,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:17,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:17,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:17,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 344 [2020-10-28 12:02:17,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:02:17,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 886 [2020-10-28 12:02:17,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:17,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:17,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:02:17,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 326 [2020-10-28 12:02:17,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 12:02:17,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:02:17,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:02:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:17,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:17,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:17,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:02:17,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:17,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 12:02:17,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:17,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:17,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:02:17,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:17,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:02:17,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:17,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:02:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:17,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:17,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:17,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-28 12:02:17,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:17,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-28 12:02:17,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:17,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:17,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:02:17,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:17,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:02:17,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 12:02:17,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 12:02:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:17,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:17,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:17,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-28 12:02:17,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:17,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 12:02:17,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:17,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:17,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:02:17,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:17,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:02:17,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:17,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-28 12:02:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:17,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:17,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:17,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 12:02:17,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:17,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-28 12:02:17,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:17,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:17,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:02:17,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:17,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-28 12:02:17,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:18,018 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2020-10-28 12:02:18,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831375414] [2020-10-28 12:02:18,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:02:18,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 12:02:18,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903394743] [2020-10-28 12:02:18,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 12:02:18,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:02:18,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 12:02:18,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 12:02:18,021 INFO L87 Difference]: Start difference. First operand 2965 states and 3216 transitions. Second operand 5 states. [2020-10-28 12:02:18,148 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-28 12:02:19,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:02:19,667 INFO L93 Difference]: Finished difference Result 6502 states and 7101 transitions. [2020-10-28 12:02:19,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 12:02:19,667 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 328 [2020-10-28 12:02:19,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:02:19,685 INFO L225 Difference]: With dead ends: 6502 [2020-10-28 12:02:19,685 INFO L226 Difference]: Without dead ends: 3541 [2020-10-28 12:02:19,694 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 12:02:19,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3541 states. [2020-10-28 12:02:19,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3541 to 3394. [2020-10-28 12:02:19,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3394 states. [2020-10-28 12:02:19,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3394 states to 3394 states and 3700 transitions. [2020-10-28 12:02:19,794 INFO L78 Accepts]: Start accepts. Automaton has 3394 states and 3700 transitions. Word has length 328 [2020-10-28 12:02:19,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:02:19,795 INFO L481 AbstractCegarLoop]: Abstraction has 3394 states and 3700 transitions. [2020-10-28 12:02:19,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 12:02:19,795 INFO L276 IsEmpty]: Start isEmpty. Operand 3394 states and 3700 transitions. [2020-10-28 12:02:19,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-10-28 12:02:19,803 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:02:19,803 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 12:02:19,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-28 12:02:19,805 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:02:19,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:02:19,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1422870780, now seen corresponding path program 1 times [2020-10-28 12:02:19,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:02:19,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1210906858] [2020-10-28 12:02:19,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:02:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:19,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:20,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:21,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:21,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 385 [2020-10-28 12:02:21,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 12:02:21,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1492 [2020-10-28 12:02:21,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:21,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:21,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:02:21,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-10-28 12:02:21,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-28 12:02:21,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:21,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 12:02:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:21,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:21,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:21,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 12:02:21,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:21,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 12:02:21,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:21,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:21,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:02:21,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:21,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:02:21,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:02:21,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 12:02:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:21,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:21,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:21,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-28 12:02:21,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:21,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-28 12:02:21,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:21,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:21,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 12:02:21,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:21,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 12:02:21,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 12:02:21,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-28 12:02:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:21,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:21,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:21,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 12:02:21,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:21,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-28 12:02:21,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:21,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:21,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 12:02:21,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 12:02:21,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-28 12:02:21,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:21,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-28 12:02:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 12:02:21,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 12:02:22,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 12:02:22,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-28 12:02:22,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 12:02:22,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-28 12:02:22,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 12:02:22,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 12:02:22,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 12:02:22,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 12:02:22,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-28 12:02:22,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 12:02:22,254 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-28 12:02:22,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1210906858] [2020-10-28 12:02:22,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 12:02:22,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 12:02:22,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767212175] [2020-10-28 12:02:22,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 12:02:22,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 12:02:22,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 12:02:22,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 12:02:22,257 INFO L87 Difference]: Start difference. First operand 3394 states and 3700 transitions. Second operand 7 states. [2020-10-28 12:02:24,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 12:02:24,100 INFO L93 Difference]: Finished difference Result 6500 states and 7100 transitions. [2020-10-28 12:02:24,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 12:02:24,106 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 369 [2020-10-28 12:02:24,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 12:02:24,118 INFO L225 Difference]: With dead ends: 6500 [2020-10-28 12:02:24,118 INFO L226 Difference]: Without dead ends: 3255 [2020-10-28 12:02:24,126 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 12:02:24,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3255 states. [2020-10-28 12:02:24,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3255 to 3247. [2020-10-28 12:02:24,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3247 states. [2020-10-28 12:02:24,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3247 states to 3247 states and 3513 transitions. [2020-10-28 12:02:24,212 INFO L78 Accepts]: Start accepts. Automaton has 3247 states and 3513 transitions. Word has length 369 [2020-10-28 12:02:24,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 12:02:24,213 INFO L481 AbstractCegarLoop]: Abstraction has 3247 states and 3513 transitions. [2020-10-28 12:02:24,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 12:02:24,213 INFO L276 IsEmpty]: Start isEmpty. Operand 3247 states and 3513 transitions. [2020-10-28 12:02:24,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2020-10-28 12:02:24,222 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 12:02:24,222 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 12:02:24,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-28 12:02:24,222 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 12:02:24,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 12:02:24,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1072516052, now seen corresponding path program 1 times [2020-10-28 12:02:24,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 12:02:24,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [674637680] [2020-10-28 12:02:24,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 12:02:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-28 12:02:24,305 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-28 12:02:24,305 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-28 12:02:24,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-28 12:02:24,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 12:02:24 BoogieIcfgContainer [2020-10-28 12:02:24,361 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 12:02:24,363 INFO L168 Benchmark]: Toolchain (without parser) took 76364.32 ms. Allocated memory was 151.0 MB in the beginning and 1.0 GB in the end (delta: 859.8 MB). Free memory was 129.8 MB in the beginning and 783.7 MB in the end (delta: -653.9 MB). Peak memory consumption was 205.2 MB. Max. memory is 8.0 GB. [2020-10-28 12:02:24,364 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory was 122.8 MB in the beginning and 122.8 MB in the end (delta: 77.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 12:02:24,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 921.71 ms. Allocated memory is still 151.0 MB. Free memory was 129.2 MB in the beginning and 124.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 8.0 GB. [2020-10-28 12:02:24,365 INFO L168 Benchmark]: Boogie Preprocessor took 130.32 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 119.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-28 12:02:24,366 INFO L168 Benchmark]: RCFGBuilder took 1694.70 ms. Allocated memory is still 151.0 MB. Free memory was 119.5 MB in the beginning and 73.2 MB in the end (delta: 46.3 MB). Peak memory consumption was 48.9 MB. Max. memory is 8.0 GB. [2020-10-28 12:02:24,366 INFO L168 Benchmark]: TraceAbstraction took 73600.54 ms. Allocated memory was 151.0 MB in the beginning and 1.0 GB in the end (delta: 859.8 MB). Free memory was 73.2 MB in the beginning and 783.7 MB in the end (delta: -710.4 MB). Peak memory consumption was 149.4 MB. Max. memory is 8.0 GB. [2020-10-28 12:02:24,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory was 122.8 MB in the beginning and 122.8 MB in the end (delta: 77.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 921.71 ms. Allocated memory is still 151.0 MB. Free memory was 129.2 MB in the beginning and 124.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 130.32 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 119.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1694.70 ms. Allocated memory is still 151.0 MB. Free memory was 119.5 MB in the beginning and 73.2 MB in the end (delta: 46.3 MB). Peak memory consumption was 48.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 73600.54 ms. Allocated memory was 151.0 MB in the beginning and 1.0 GB in the end (delta: 859.8 MB). Free memory was 73.2 MB in the beginning and 783.7 MB in the end (delta: -710.4 MB). Peak memory consumption was 149.4 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 inputC = 3; [L10] int inputD = 4; [L11] int inputE = 5; [L12] int inputF = 6; [L13] int inputB = 2; [L16] int a1 = 23; [L17] int a19 = 9; [L18] int a10 = 0; [L19] int a12 = 0; [L20] int a4 = 14; [L581] int output = -1; [L584] COND TRUE 1 [L587] int input; [L588] input = __VERIFIER_nondet_int() [L589] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L592] CALL, EXPR calculate_output(input) [L23] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L26] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L29] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L32] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L35] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L38] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L41] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L44] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L47] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L50] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L53] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L56] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L59] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L62] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L65] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L68] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L71] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L74] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L77] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L80] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L83] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L86] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L89] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L92] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L95] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L98] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L101] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L104] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L107] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L110] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L113] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L116] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L119] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L122] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L125] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L128] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L131] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L134] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L137] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L140] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L143] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L146] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L149] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L152] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L155] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L158] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L161] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L164] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L167] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L170] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L173] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L176] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L179] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L182] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L185] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L188] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L191] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L194] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L197] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L200] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L203] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L207] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L212] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L217] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L222] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L227] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L233] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L238] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L241] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L246] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L251] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L256] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L262] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L267] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L273] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L279] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L285] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L288] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L293] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L298] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L303] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L308] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L314] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L319] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L322] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L325] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L328] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L331] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L337] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) [L342] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) [L347] COND FALSE !((((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14))) [L353] COND FALSE !((((a12==0) && ((a10==1) && ( 218 < a1 && ((a19==9) && (input == 6))))) && (a4==14))) [L356] COND FALSE !(((a10==0) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 3)) && (a19==10)) && (a4==14))))) [L359] COND FALSE !((((a10==4) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a4==14)) && (a19==9))) && (a12==0))) [L362] COND FALSE !(((a4==14) && ((a10==1) && ((a19==9) && ((a12==0) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4))))))) [L367] COND FALSE !(((a4==14) && ((a19==9) && (((( a1 <= -13 && (a10==3)) || (( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 ))) && (input == 3)) && (a12==0))))) [L372] COND FALSE !((((((a4==14) && ((input == 6) && (a10==1))) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a19==10))) [L377] COND FALSE !(((a4==14) && (((a12==0) && ( 218 < a1 && ((a19==9) && (input == 3)))) && (a10==4)))) [L380] COND FALSE !((((a4==14) && ((a12==0) && ((((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 )) && (input == 4)))) && (a19==9))) [L385] COND FALSE !((((a12==0) && (((a10==4) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3))) && (a4==14))) && (a19==9))) [L390] COND FALSE !(((a19==9) && ((a4==14) && (((input == 5) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ((a10==3) && a1 <= -13 ))) && (a12==0))))) [L395] COND FALSE !(((a12==0) && (((a19==9) && ((((a10==0) && 218 < a1 ) || ( a1 <= -13 && (a10==1))) && (input == 5))) && (a4==14)))) [L400] COND FALSE !(( 218 < a1 && ((((a12==0) && ((a19==9) && (input == 2))) && (a10==4)) && (a4==14)))) [L405] COND FALSE !((((a12==0) && ((a19==9) && ((((a10==3) && a1 <= -13 ) || (((a10==2) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==2)))) && (input == 6)))) && (a4==14))) [L410] COND FALSE !(((a19==9) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 5)) && (a4==14)) && (a10==2))))) [L416] COND FALSE !((((a10==1) && (((a12==0) && ((a19==10) && (input == 4))) && ((-13 < a1) && (38 >= a1)) )) && (a4==14))) [L421] COND FALSE !(((a12==0) && ((a4==14) && ( 218 < a1 && (((a10==1) && (input == 4)) && (a19==10)))))) [L427] COND FALSE !(((((((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)) && (a19==9)) && (a4==14)) && (a12==0))) [L432] COND FALSE !((((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 6)) && (a19==10))) && (a12==0))) [L438] COND FALSE !(((a19==9) && ((((input == 4) && (( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 ))) && (a12==0)) && (a4==14)))) [L444] COND FALSE !((((a19==10) && ((a12==0) && ((((a10==1) && a1 <= -13 ) || (( ((38 < a1) && (218 >= a1)) && (a10==0)) || ((a10==0) && 218 < a1 ))) && (input == 3)))) && (a4==14))) [L450] COND FALSE !(((a19==9) && (((a4==14) && ((((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4))) && (input == 5))) && (a12==0)))) [L456] COND FALSE !((((a12==0) && ((((input == 5) && (a19==10)) && ((38 < a1) && (218 >= a1)) ) && (a4==14))) && (a10==1))) [L462] COND FALSE !(((a19==9) && ((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3)) && (a10==1)) && (a12==0))))) [L467] COND FALSE !(((a10==0) && ((a12==0) && ((((input == 5) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a4==14))))) [L473] COND FALSE !(( 218 < a1 && (((((input == 3) && (a10==1)) && (a12==0)) && (a4==14)) && (a19==10)))) [L478] COND FALSE !((((a12==0) && ((a19==9) && (((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a4==14)))) && (a10==3))) [L483] COND FALSE !((((((a4==14) && ( ((38 < a1) && (218 >= a1)) && (input == 2))) && (a12==0)) && (a10==1)) && (a19==10))) [L489] COND FALSE !((((a19==10) && ((a10==1) && ((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (input == 5))))) && (a4==14))) [L495] COND FALSE !(((((a10==1) && (((input == 5) && 218 < a1 ) && (a4==14))) && (a19==10)) && (a12==0))) [L501] COND FALSE !((((a4==14) && ((a19==9) && ((input == 2) && (((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 ))))) && (a12==0))) [L506] COND FALSE !((((a4==14) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 2))) && (a12==0))) && (a10==4))) [L511] COND FALSE !(((a4==14) && (((a19==9) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 6)) && (a10==3))) && (a12==0)))) [L516] COND FALSE !((((a4==14) && ((((input == 6) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a12==0))) && (a10==0))) [L519] COND FALSE !(((a12==0) && ((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 2)) && (a19==10))))) [L525] COND FALSE !((((a12==0) && ((a19==9) && ((a10==2) && ((input == 6) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))))) && (a4==14))) [L528] COND TRUE ((a4==14) && ((a19==9) && ((a12==0) && (((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0))))) [L529] a1 = (((a1 * 5) + 278443) - -239546) [L530] return 26; [L592] RET, EXPR calculate_output(input) [L592] output = calculate_output(input) [L584] COND TRUE 1 [L587] int input; [L588] input = __VERIFIER_nondet_int() [L589] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L592] CALL, EXPR calculate_output(input) [L23] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L26] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L29] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L32] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L35] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L38] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L41] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L44] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L47] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L50] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L53] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L56] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L59] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L62] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L65] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L68] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L71] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L74] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L77] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L80] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L83] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L86] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L89] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L92] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L95] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L98] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L101] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L104] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L107] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L110] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L113] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L116] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L119] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L122] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L125] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L128] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L131] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L134] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L137] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L140] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L143] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L146] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L149] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L152] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L155] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L158] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L161] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L164] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L167] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L170] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L173] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L176] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L179] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L182] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L185] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L188] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L191] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L194] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L197] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L200] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L203] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L207] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L212] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L217] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L222] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L227] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L233] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L238] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L241] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L246] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L251] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L256] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L262] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L267] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L273] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L279] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L285] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L288] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L293] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L298] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L303] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L308] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L314] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L319] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L322] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L325] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L328] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L331] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L337] COND TRUE (((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9)) [L338] a1 = ((((((a1 / 5) % 25)+ 13) * 5) % 25)- -12) [L339] a10 = 4 [L341] return 22; [L592] RET, EXPR calculate_output(input) [L592] output = calculate_output(input) [L584] COND TRUE 1 [L587] int input; [L588] input = __VERIFIER_nondet_int() [L589] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L592] CALL, EXPR calculate_output(input) [L23] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L26] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L29] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L32] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L35] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L38] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L41] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L44] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L47] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L50] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L53] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L56] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L59] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L62] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L65] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L68] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L71] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L74] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L77] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L80] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L83] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L86] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L89] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L92] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L95] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L98] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L101] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L104] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L107] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L110] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L113] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L116] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L119] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L122] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L125] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L128] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L131] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L134] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L137] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L140] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L143] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L146] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L149] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L152] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L155] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L158] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L161] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L164] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L167] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L170] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L173] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L176] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L179] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L182] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L185] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L188] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L191] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L194] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L197] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L200] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L203] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L207] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L212] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L217] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L222] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L227] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L233] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L238] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L241] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L246] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L251] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L256] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L262] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L267] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L273] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L279] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L285] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L288] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L293] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L298] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L303] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L308] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L314] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L319] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L322] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L325] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L328] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L331] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L337] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) [L342] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) [L347] COND FALSE !((((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14))) [L353] COND FALSE !((((a12==0) && ((a10==1) && ( 218 < a1 && ((a19==9) && (input == 6))))) && (a4==14))) [L356] COND FALSE !(((a10==0) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 3)) && (a19==10)) && (a4==14))))) [L359] COND FALSE !((((a10==4) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a4==14)) && (a19==9))) && (a12==0))) [L362] COND FALSE !(((a4==14) && ((a10==1) && ((a19==9) && ((a12==0) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4))))))) [L367] COND FALSE !(((a4==14) && ((a19==9) && (((( a1 <= -13 && (a10==3)) || (( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 ))) && (input == 3)) && (a12==0))))) [L372] COND FALSE !((((((a4==14) && ((input == 6) && (a10==1))) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a19==10))) [L377] COND FALSE !(((a4==14) && (((a12==0) && ( 218 < a1 && ((a19==9) && (input == 3)))) && (a10==4)))) [L380] COND FALSE !((((a4==14) && ((a12==0) && ((((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 )) && (input == 4)))) && (a19==9))) [L385] COND FALSE !((((a12==0) && (((a10==4) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3))) && (a4==14))) && (a19==9))) [L390] COND FALSE !(((a19==9) && ((a4==14) && (((input == 5) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ((a10==3) && a1 <= -13 ))) && (a12==0))))) [L395] COND FALSE !(((a12==0) && (((a19==9) && ((((a10==0) && 218 < a1 ) || ( a1 <= -13 && (a10==1))) && (input == 5))) && (a4==14)))) [L400] COND FALSE !(( 218 < a1 && ((((a12==0) && ((a19==9) && (input == 2))) && (a10==4)) && (a4==14)))) [L405] COND FALSE !((((a12==0) && ((a19==9) && ((((a10==3) && a1 <= -13 ) || (((a10==2) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==2)))) && (input == 6)))) && (a4==14))) [L410] COND FALSE !(((a19==9) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 5)) && (a4==14)) && (a10==2))))) [L416] COND FALSE !((((a10==1) && (((a12==0) && ((a19==10) && (input == 4))) && ((-13 < a1) && (38 >= a1)) )) && (a4==14))) [L421] COND FALSE !(((a12==0) && ((a4==14) && ( 218 < a1 && (((a10==1) && (input == 4)) && (a19==10)))))) [L427] COND FALSE !(((((((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)) && (a19==9)) && (a4==14)) && (a12==0))) [L432] COND FALSE !((((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 6)) && (a19==10))) && (a12==0))) [L438] COND FALSE !(((a19==9) && ((((input == 4) && (( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 ))) && (a12==0)) && (a4==14)))) [L444] COND FALSE !((((a19==10) && ((a12==0) && ((((a10==1) && a1 <= -13 ) || (( ((38 < a1) && (218 >= a1)) && (a10==0)) || ((a10==0) && 218 < a1 ))) && (input == 3)))) && (a4==14))) [L450] COND FALSE !(((a19==9) && (((a4==14) && ((((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4))) && (input == 5))) && (a12==0)))) [L456] COND FALSE !((((a12==0) && ((((input == 5) && (a19==10)) && ((38 < a1) && (218 >= a1)) ) && (a4==14))) && (a10==1))) [L462] COND FALSE !(((a19==9) && ((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3)) && (a10==1)) && (a12==0))))) [L467] COND FALSE !(((a10==0) && ((a12==0) && ((((input == 5) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a4==14))))) [L473] COND FALSE !(( 218 < a1 && (((((input == 3) && (a10==1)) && (a12==0)) && (a4==14)) && (a19==10)))) [L478] COND FALSE !((((a12==0) && ((a19==9) && (((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a4==14)))) && (a10==3))) [L483] COND FALSE !((((((a4==14) && ( ((38 < a1) && (218 >= a1)) && (input == 2))) && (a12==0)) && (a10==1)) && (a19==10))) [L489] COND FALSE !((((a19==10) && ((a10==1) && ((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (input == 5))))) && (a4==14))) [L495] COND FALSE !(((((a10==1) && (((input == 5) && 218 < a1 ) && (a4==14))) && (a19==10)) && (a12==0))) [L501] COND FALSE !((((a4==14) && ((a19==9) && ((input == 2) && (((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 ))))) && (a12==0))) [L506] COND FALSE !((((a4==14) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 2))) && (a12==0))) && (a10==4))) [L511] COND FALSE !(((a4==14) && (((a19==9) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 6)) && (a10==3))) && (a12==0)))) [L516] COND FALSE !((((a4==14) && ((((input == 6) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a12==0))) && (a10==0))) [L519] COND FALSE !(((a12==0) && ((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 2)) && (a19==10))))) [L525] COND FALSE !((((a12==0) && ((a19==9) && ((a10==2) && ((input == 6) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))))) && (a4==14))) [L528] COND FALSE !(((a4==14) && ((a19==9) && ((a12==0) && (((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)))))) [L531] COND FALSE !(((a19==9) && (((a10==1) && ((a12==0) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )))) && (a4==14)))) [L536] COND FALSE !(((a19==9) && ((a4==14) && ((a10==1) && (((input == 5) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a12==0)))))) [L542] COND FALSE !(((a12==0) && (((((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a19==9)) && (a4==14)) && (a10==0)))) [L547] COND FALSE !(((a4==14) && (((a12==0) && ((a19==9) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )))) && (a10==4)))) [L550] COND FALSE !(((((( ((38 < a1) && (218 >= a1)) && (input == 3)) && (a10==1)) && (a12==0)) && (a4==14)) && (a19==10))) [L556] COND FALSE !((((a4==14) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 4)) && (a12==0)) && (a19==9))) && (a10==2))) [L559] COND FALSE !(((a12==0) && ((( 218 < a1 && ((a19==9) && (input == 5))) && (a10==1)) && (a4==14)))) [L565] COND TRUE ((a4==14) && ((((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a12==0)) && (a19==9)) && (a10==4))) [L566] a1 = (((a1 + 566454) + 1842) + 23814) [L567] a10 = 2 [L568] a19 = 8 [L570] return -1; [L592] RET, EXPR calculate_output(input) [L592] output = calculate_output(input) [L584] COND TRUE 1 [L587] int input; [L588] input = __VERIFIER_nondet_int() [L589] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L592] CALL calculate_output(input) [L23] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L26] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L29] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L32] COND TRUE (((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8)) [L33] CALL reach_error() [L4] __assert_fail("0", "Problem10_label50.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 73.4s, OverallIterations: 17, TraceHistogramMax: 4, AutomataDifference: 35.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 465 SDtfs, 7598 SDslu, 492 SDs, 0 SdLazy, 14889 SolverSat, 1884 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 291 GetRequests, 157 SyntacticMatches, 2 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3394occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 1752 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 34.2s InterpolantComputationTime, 3877 NumberOfCodeBlocks, 3877 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3473 ConstructedInterpolants, 0 QuantifiedInterpolants, 2710343 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 2337/2654 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...