/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:50:22,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:50:22,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:50:22,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:50:22,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:50:22,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:50:22,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:50:22,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:50:22,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:50:22,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:50:22,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:50:22,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:50:22,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:50:22,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:50:22,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:50:22,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:50:22,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:50:22,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:50:22,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:50:22,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:50:22,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:50:22,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:50:22,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:50:22,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:50:22,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:50:22,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:50:22,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:50:22,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:50:22,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:50:22,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:50:22,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:50:22,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:50:22,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:50:22,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:50:22,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:50:22,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:50:22,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:50:22,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:50:22,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:50:22,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:50:22,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:50:22,615 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 06:50:22,667 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:50:22,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:50:22,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:50:22,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:50:22,673 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:50:22,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:50:22,673 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:50:22,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:50:22,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:50:22,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:50:22,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:50:22,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:50:22,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:50:22,676 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:50:22,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:50:22,676 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:50:22,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:50:22,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:50:22,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:50:22,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:50:22,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:50:22,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:50:22,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:50:22,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:50:22,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:50:22,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:50:22,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:50:22,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:50:22,678 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:50:22,679 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:50:23,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:50:23,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:50:23,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:50:23,162 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:50:23,165 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:50:23,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label49.c [2020-10-29 06:50:23,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b1af5ade3/9f48b32f789c460188ceb121c2d75ae4/FLAGbe2ddcefb [2020-10-29 06:50:24,226 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:50:24,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label49.c [2020-10-29 06:50:24,262 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b1af5ade3/9f48b32f789c460188ceb121c2d75ae4/FLAGbe2ddcefb [2020-10-29 06:50:24,388 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b1af5ade3/9f48b32f789c460188ceb121c2d75ae4 [2020-10-29 06:50:24,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:50:24,401 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:50:24,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:50:24,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:50:24,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:50:24,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:50:24" (1/1) ... [2020-10-29 06:50:24,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16dbc2d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:50:24, skipping insertion in model container [2020-10-29 06:50:24,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:50:24" (1/1) ... [2020-10-29 06:50:24,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:50:24,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:50:25,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:50:25,112 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:50:25,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:50:25,377 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:50:25,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:50:25 WrapperNode [2020-10-29 06:50:25,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:50:25,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:50:25,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:50:25,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:50:25,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:50:25" (1/1) ... [2020-10-29 06:50:25,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:50:25" (1/1) ... [2020-10-29 06:50:25,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:50:25" (1/1) ... [2020-10-29 06:50:25,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:50:25" (1/1) ... [2020-10-29 06:50:25,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:50:25" (1/1) ... [2020-10-29 06:50:25,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:50:25" (1/1) ... [2020-10-29 06:50:25,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:50:25" (1/1) ... [2020-10-29 06:50:25,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:50:25,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:50:25,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:50:25,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:50:25,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:50:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:50:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:50:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:50:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:50:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:50:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:50:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:50:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:50:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:50:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:50:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:50:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:50:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:50:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:50:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:50:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:50:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:50:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:50:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:50:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:50:27,758 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:50:27,759 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:50:27,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:50:27 BoogieIcfgContainer [2020-10-29 06:50:27,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:50:27,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:50:27,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:50:27,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:50:27,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:50:24" (1/3) ... [2020-10-29 06:50:27,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72016f95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:50:27, skipping insertion in model container [2020-10-29 06:50:27,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:50:25" (2/3) ... [2020-10-29 06:50:27,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72016f95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:50:27, skipping insertion in model container [2020-10-29 06:50:27,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:50:27" (3/3) ... [2020-10-29 06:50:27,777 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label49.c [2020-10-29 06:50:27,790 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:50:27,796 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:50:27,812 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:50:27,865 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:50:27,865 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:50:27,865 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:50:27,865 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:50:27,866 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:50:27,866 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:50:27,866 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:50:27,866 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:50:27,907 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-10-29 06:50:27,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-29 06:50:27,915 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:50:27,916 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:50:27,916 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:50:27,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:50:27,926 INFO L82 PathProgramCache]: Analyzing trace with hash 347330952, now seen corresponding path program 1 times [2020-10-29 06:50:27,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:50:27,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [921627266] [2020-10-29 06:50:27,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:50:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:28,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:28,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:28,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 06:50:28,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:28,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 501 [2020-10-29 06:50:28,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:28,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:28,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:50:28,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:50:28,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-29 06:50:28,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:50:28,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:50:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:28,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:28,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:28,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:50:28,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:28,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 06:50:28,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:28,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:28,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:50:28,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:50:28,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:50:28,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:50:28,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:50:28,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [921627266] [2020-10-29 06:50:28,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:50:28,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-29 06:50:28,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319197053] [2020-10-29 06:50:28,886 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 06:50:28,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:50:28,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 06:50:28,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 06:50:28,905 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-10-29 06:50:32,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:50:32,127 INFO L93 Difference]: Finished difference Result 811 states and 1410 transitions. [2020-10-29 06:50:32,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:50:32,129 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-10-29 06:50:32,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:50:32,148 INFO L225 Difference]: With dead ends: 811 [2020-10-29 06:50:32,149 INFO L226 Difference]: Without dead ends: 435 [2020-10-29 06:50:32,159 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 [2020-10-29 06:50:32,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2020-10-29 06:50:32,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 429. [2020-10-29 06:50:32,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-10-29 06:50:32,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 618 transitions. [2020-10-29 06:50:32,255 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 618 transitions. Word has length 26 [2020-10-29 06:50:32,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:50:32,256 INFO L481 AbstractCegarLoop]: Abstraction has 429 states and 618 transitions. [2020-10-29 06:50:32,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 06:50:32,257 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 618 transitions. [2020-10-29 06:50:32,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-29 06:50:32,265 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:50:32,266 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:50:32,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:50:32,266 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:50:32,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:50:32,267 INFO L82 PathProgramCache]: Analyzing trace with hash 2136161284, now seen corresponding path program 1 times [2020-10-29 06:50:32,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:50:32,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [833894522] [2020-10-29 06:50:32,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:50:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:32,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:33,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:33,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 06:50:33,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:33,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 751 [2020-10-29 06:50:33,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:33,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:33,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:50:33,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:50:33,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 06:50:33,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:50:33,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:50:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:33,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:33,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:33,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:50:33,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:33,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 06:50:33,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:33,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:33,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:50:33,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:50:33,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:50:33,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:50:33,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:50:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:33,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:33,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:33,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 06:50:33,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:33,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-29 06:50:33,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:33,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:33,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:50:33,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:50:33,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 06:50:33,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:50:33,706 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:50:33,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [833894522] [2020-10-29 06:50:33,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:50:33,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:50:33,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2431323] [2020-10-29 06:50:33,709 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:50:33,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:50:33,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:50:33,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:50:33,714 INFO L87 Difference]: Start difference. First operand 429 states and 618 transitions. Second operand 7 states. [2020-10-29 06:50:33,851 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-29 06:50:37,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:50:37,477 INFO L93 Difference]: Finished difference Result 1276 states and 1876 transitions. [2020-10-29 06:50:37,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:50:37,478 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 98 [2020-10-29 06:50:37,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:50:37,486 INFO L225 Difference]: With dead ends: 1276 [2020-10-29 06:50:37,486 INFO L226 Difference]: Without dead ends: 853 [2020-10-29 06:50:37,489 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:50:37,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2020-10-29 06:50:37,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 818. [2020-10-29 06:50:37,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2020-10-29 06:50:37,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1099 transitions. [2020-10-29 06:50:37,546 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1099 transitions. Word has length 98 [2020-10-29 06:50:37,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:50:37,547 INFO L481 AbstractCegarLoop]: Abstraction has 818 states and 1099 transitions. [2020-10-29 06:50:37,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:50:37,547 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1099 transitions. [2020-10-29 06:50:37,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-29 06:50:37,549 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:50:37,549 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:50:37,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:50:37,550 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:50:37,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:50:37,550 INFO L82 PathProgramCache]: Analyzing trace with hash -592449824, now seen corresponding path program 1 times [2020-10-29 06:50:37,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:50:37,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1277373198] [2020-10-29 06:50:37,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:50:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:37,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:37,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:38,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:38,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 06:50:38,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:50:38,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1220 [2020-10-29 06:50:38,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:38,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:38,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:50:38,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:50:38,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 06:50:38,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:50:38,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:50:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:38,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:38,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:38,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:50:38,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:38,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 06:50:38,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:38,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:38,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:50:38,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:50:38,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:50:38,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:50:38,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:50:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:39,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:39,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:39,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-29 06:50:39,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:39,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-29 06:50:39,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:39,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:39,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:50:39,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:50:39,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 06:50:39,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:50:39,335 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:50:39,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1277373198] [2020-10-29 06:50:39,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:50:39,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 06:50:39,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461217648] [2020-10-29 06:50:39,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:50:39,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:50:39,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:50:39,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:50:39,342 INFO L87 Difference]: Start difference. First operand 818 states and 1099 transitions. Second operand 7 states. [2020-10-29 06:50:42,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:50:42,870 INFO L93 Difference]: Finished difference Result 2476 states and 3395 transitions. [2020-10-29 06:50:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:50:42,872 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 101 [2020-10-29 06:50:42,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:50:42,891 INFO L225 Difference]: With dead ends: 2476 [2020-10-29 06:50:42,891 INFO L226 Difference]: Without dead ends: 1664 [2020-10-29 06:50:42,896 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 [2020-10-29 06:50:42,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2020-10-29 06:50:42,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1620. [2020-10-29 06:50:42,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1620 states. [2020-10-29 06:50:42,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1620 states and 2032 transitions. [2020-10-29 06:50:42,993 INFO L78 Accepts]: Start accepts. Automaton has 1620 states and 2032 transitions. Word has length 101 [2020-10-29 06:50:42,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:50:42,994 INFO L481 AbstractCegarLoop]: Abstraction has 1620 states and 2032 transitions. [2020-10-29 06:50:42,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:50:42,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 2032 transitions. [2020-10-29 06:50:43,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-29 06:50:43,009 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:50:43,009 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:50:43,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:50:43,009 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:50:43,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:50:43,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1507457403, now seen corresponding path program 1 times [2020-10-29 06:50:43,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:50:43,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201287407] [2020-10-29 06:50:43,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:50:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:43,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:43,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:43,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-29 06:50:43,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:43,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 427 [2020-10-29 06:50:43,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:43,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:43,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:50:43,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:50:43,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 06:50:43,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:50:43,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:50:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:43,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:43,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:43,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:50:43,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:43,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 06:50:43,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:43,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:43,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:50:43,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:50:43,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:50:43,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:50:43,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:50:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:43,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:43,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:43,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:50:43,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:43,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-29 06:50:43,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:43,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:50:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:50:43,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:50:43,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:50:43,992 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:50:43,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1201287407] [2020-10-29 06:50:43,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:50:43,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:50:43,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065264531] [2020-10-29 06:50:43,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:50:43,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:50:43,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:50:43,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:50:43,995 INFO L87 Difference]: Start difference. First operand 1620 states and 2032 transitions. Second operand 5 states. [2020-10-29 06:50:46,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:50:46,768 INFO L93 Difference]: Finished difference Result 3841 states and 5002 transitions. [2020-10-29 06:50:46,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:50:46,769 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2020-10-29 06:50:46,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:50:46,787 INFO L225 Difference]: With dead ends: 3841 [2020-10-29 06:50:46,787 INFO L226 Difference]: Without dead ends: 2415 [2020-10-29 06:50:46,794 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 [2020-10-29 06:50:46,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2415 states. [2020-10-29 06:50:46,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2415 to 2395. [2020-10-29 06:50:46,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2395 states. [2020-10-29 06:50:46,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2395 states to 2395 states and 2992 transitions. [2020-10-29 06:50:46,913 INFO L78 Accepts]: Start accepts. Automaton has 2395 states and 2992 transitions. Word has length 157 [2020-10-29 06:50:46,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:50:46,914 INFO L481 AbstractCegarLoop]: Abstraction has 2395 states and 2992 transitions. [2020-10-29 06:50:46,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:50:46,915 INFO L276 IsEmpty]: Start isEmpty. Operand 2395 states and 2992 transitions. [2020-10-29 06:50:46,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-10-29 06:50:46,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:50:46,921 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:50:46,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:50:46,922 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:50:46,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:50:46,923 INFO L82 PathProgramCache]: Analyzing trace with hash 2055277582, now seen corresponding path program 1 times [2020-10-29 06:50:46,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:50:46,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [963746176] [2020-10-29 06:50:46,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:50:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:47,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:47,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:48,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:50,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:50,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-29 06:50:50,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:50:50,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3050 [2020-10-29 06:50:50,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:50,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 06:50:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:50:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-29 06:50:50,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:50:50,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:50:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:50,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:50,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:50,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:50:50,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:50,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 06:50:50,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:50,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:50,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:50:50,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:50:50,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:50:50,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:50:50,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:50:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:50,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:50,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:50,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:50,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:50:50,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:50:50,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 239 [2020-10-29 06:50:50,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:50,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:50,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:50:50,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:50:50,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 06:50:50,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 06:50:50,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:50:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:50,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:50,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:50,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:50:50,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:50,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-10-29 06:50:50,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:50,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:50,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 06:50:50,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:50:50,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:50:50,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:50:51,047 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 101 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 06:50:51,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [963746176] [2020-10-29 06:50:51,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:50:51,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:50:51,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854533676] [2020-10-29 06:50:51,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:50:51,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:50:51,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:50:51,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:50:51,050 INFO L87 Difference]: Start difference. First operand 2395 states and 2992 transitions. Second operand 8 states. [2020-10-29 06:50:52,526 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-29 06:50:53,420 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-10-29 06:50:55,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:50:55,076 INFO L93 Difference]: Finished difference Result 6167 states and 7973 transitions. [2020-10-29 06:50:55,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 06:50:55,077 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 215 [2020-10-29 06:50:55,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:50:55,103 INFO L225 Difference]: With dead ends: 6167 [2020-10-29 06:50:55,103 INFO L226 Difference]: Without dead ends: 3953 [2020-10-29 06:50:55,112 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2020-10-29 06:50:55,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3953 states. [2020-10-29 06:50:55,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3953 to 3934. [2020-10-29 06:50:55,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3934 states. [2020-10-29 06:50:55,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3934 states to 3934 states and 4826 transitions. [2020-10-29 06:50:55,248 INFO L78 Accepts]: Start accepts. Automaton has 3934 states and 4826 transitions. Word has length 215 [2020-10-29 06:50:55,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:50:55,249 INFO L481 AbstractCegarLoop]: Abstraction has 3934 states and 4826 transitions. [2020-10-29 06:50:55,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:50:55,249 INFO L276 IsEmpty]: Start isEmpty. Operand 3934 states and 4826 transitions. [2020-10-29 06:50:55,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-29 06:50:55,253 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:50:55,253 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:50:55,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:50:55,253 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:50:55,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:50:55,254 INFO L82 PathProgramCache]: Analyzing trace with hash -697979754, now seen corresponding path program 1 times [2020-10-29 06:50:55,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:50:55,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [438797124] [2020-10-29 06:50:55,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:50:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:55,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:55,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:56,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:57,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:57,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-29 06:50:57,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:50:57,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1713 [2020-10-29 06:50:57,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:57,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:57,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:50:57,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-29 06:50:57,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 06:50:57,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:50:57,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:50:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:57,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:57,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:57,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:50:57,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:57,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:50:57,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:57,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:57,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:50:57,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:50:57,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:50:57,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:50:57,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:50:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:57,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:57,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:57,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:50:57,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:57,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-29 06:50:57,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:57,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:57,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:50:57,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:50:57,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 06:50:57,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:50:57,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:50:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:50:57,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:50:57,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:50:57,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 06:50:57,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:50:57,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-29 06:50:57,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:50:57,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:50:57,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:50:57,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:50:57,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 06:50:57,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:50:57,689 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:50:57,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [438797124] [2020-10-29 06:50:57,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:50:57,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:50:57,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475890720] [2020-10-29 06:50:57,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:50:57,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:50:57,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:50:57,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:50:57,692 INFO L87 Difference]: Start difference. First operand 3934 states and 4826 transitions. Second operand 7 states. [2020-10-29 06:51:01,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:51:01,257 INFO L93 Difference]: Finished difference Result 8617 states and 11133 transitions. [2020-10-29 06:51:01,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 06:51:01,258 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 216 [2020-10-29 06:51:01,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:51:01,294 INFO L225 Difference]: With dead ends: 8617 [2020-10-29 06:51:01,294 INFO L226 Difference]: Without dead ends: 4877 [2020-10-29 06:51:01,306 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-29 06:51:01,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4877 states. [2020-10-29 06:51:01,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4877 to 4547. [2020-10-29 06:51:01,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4547 states. [2020-10-29 06:51:01,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4547 states to 4547 states and 5547 transitions. [2020-10-29 06:51:01,458 INFO L78 Accepts]: Start accepts. Automaton has 4547 states and 5547 transitions. Word has length 216 [2020-10-29 06:51:01,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:51:01,459 INFO L481 AbstractCegarLoop]: Abstraction has 4547 states and 5547 transitions. [2020-10-29 06:51:01,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:51:01,459 INFO L276 IsEmpty]: Start isEmpty. Operand 4547 states and 5547 transitions. [2020-10-29 06:51:01,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-29 06:51:01,463 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:51:01,464 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:51:01,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:51:01,464 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:51:01,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:51:01,465 INFO L82 PathProgramCache]: Analyzing trace with hash 941321858, now seen corresponding path program 1 times [2020-10-29 06:51:01,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:51:01,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [717994755] [2020-10-29 06:51:01,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:51:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:01,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:02,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:02,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:02,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-29 06:51:02,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:51:02,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 665 [2020-10-29 06:51:02,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:02,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:02,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:02,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-29 06:51:02,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 06:51:02,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:02,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:51:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:02,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:02,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:02,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:51:02,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:02,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 06:51:02,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:02,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:02,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:02,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:02,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:02,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:51:02,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:51:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:02,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:02,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:02,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-29 06:51:02,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:02,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-29 06:51:02,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:02,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:02,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:02,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:02,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:02,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:51:02,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 06:51:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:02,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:02,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:02,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-29 06:51:02,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:02,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-29 06:51:02,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:02,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:02,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:51:02,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:02,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 06:51:02,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 06:51:02,666 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-29 06:51:02,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [717994755] [2020-10-29 06:51:02,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:51:02,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:51:02,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545074049] [2020-10-29 06:51:02,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:51:02,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:51:02,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:51:02,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:51:02,670 INFO L87 Difference]: Start difference. First operand 4547 states and 5547 transitions. Second operand 5 states. [2020-10-29 06:51:05,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:51:05,852 INFO L93 Difference]: Finished difference Result 9707 states and 12162 transitions. [2020-10-29 06:51:05,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:51:05,859 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 226 [2020-10-29 06:51:05,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:51:05,888 INFO L225 Difference]: With dead ends: 9707 [2020-10-29 06:51:05,888 INFO L226 Difference]: Without dead ends: 5354 [2020-10-29 06:51:05,901 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:51:05,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5354 states. [2020-10-29 06:51:06,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5354 to 4949. [2020-10-29 06:51:06,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4949 states. [2020-10-29 06:51:06,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4949 states to 4949 states and 6144 transitions. [2020-10-29 06:51:06,049 INFO L78 Accepts]: Start accepts. Automaton has 4949 states and 6144 transitions. Word has length 226 [2020-10-29 06:51:06,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:51:06,050 INFO L481 AbstractCegarLoop]: Abstraction has 4949 states and 6144 transitions. [2020-10-29 06:51:06,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:51:06,050 INFO L276 IsEmpty]: Start isEmpty. Operand 4949 states and 6144 transitions. [2020-10-29 06:51:06,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-29 06:51:06,054 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:51:06,055 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:51:06,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 06:51:06,055 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:51:06,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:51:06,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1882191399, now seen corresponding path program 1 times [2020-10-29 06:51:06,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:51:06,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [183353925] [2020-10-29 06:51:06,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:51:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:06,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:06,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:07,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:07,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-29 06:51:07,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:51:07,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1273 [2020-10-29 06:51:07,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:07,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:07,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:07,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:51:07,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 06:51:07,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:07,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:51:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:07,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:07,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:07,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:51:07,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:07,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:51:07,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:07,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:07,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:07,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:07,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:07,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:07,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:51:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:07,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:07,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:07,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:51:07,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:07,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-29 06:51:07,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:07,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:07,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:51:07,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:07,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:51:07,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:07,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:51:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:07,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:07,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:07,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 06:51:07,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:07,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-29 06:51:07,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:07,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:07,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:07,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:51:07,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 06:51:07,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:08,061 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 102 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:51:08,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [183353925] [2020-10-29 06:51:08,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:51:08,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:51:08,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594661989] [2020-10-29 06:51:08,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:51:08,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:51:08,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:51:08,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:51:08,064 INFO L87 Difference]: Start difference. First operand 4949 states and 6144 transitions. Second operand 7 states. [2020-10-29 06:51:12,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:51:12,979 INFO L93 Difference]: Finished difference Result 12074 states and 15447 transitions. [2020-10-29 06:51:12,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:51:12,980 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 226 [2020-10-29 06:51:12,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:51:13,028 INFO L225 Difference]: With dead ends: 12074 [2020-10-29 06:51:13,028 INFO L226 Difference]: Without dead ends: 7319 [2020-10-29 06:51:13,042 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:51:13,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7319 states. [2020-10-29 06:51:13,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7319 to 7307. [2020-10-29 06:51:13,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7307 states. [2020-10-29 06:51:13,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7307 states to 7307 states and 9007 transitions. [2020-10-29 06:51:13,241 INFO L78 Accepts]: Start accepts. Automaton has 7307 states and 9007 transitions. Word has length 226 [2020-10-29 06:51:13,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:51:13,242 INFO L481 AbstractCegarLoop]: Abstraction has 7307 states and 9007 transitions. [2020-10-29 06:51:13,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:51:13,242 INFO L276 IsEmpty]: Start isEmpty. Operand 7307 states and 9007 transitions. [2020-10-29 06:51:13,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-29 06:51:13,246 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:51:13,247 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:51:13,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 06:51:13,247 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:51:13,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:51:13,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1730905775, now seen corresponding path program 1 times [2020-10-29 06:51:13,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:51:13,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [971642275] [2020-10-29 06:51:13,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:51:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:13,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:13,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:15,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:15,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-29 06:51:15,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:51:15,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1758 [2020-10-29 06:51:15,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:15,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:15,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:15,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-29 06:51:15,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-29 06:51:15,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:15,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:51:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:15,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:15,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:15,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:51:15,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:15,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:51:15,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:15,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:15,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:15,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:15,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:15,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:15,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:51:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:15,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:15,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:15,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 06:51:15,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:15,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-29 06:51:15,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:15,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:15,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:51:15,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:15,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-29 06:51:15,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:15,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 06:51:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:15,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:15,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:15,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:51:15,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:15,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-29 06:51:15,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:15,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:15,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:15,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:51:15,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:51:15,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:15,783 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 106 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:51:15,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [971642275] [2020-10-29 06:51:15,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:51:15,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:51:15,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85979640] [2020-10-29 06:51:15,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:51:15,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:51:15,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:51:15,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:51:15,794 INFO L87 Difference]: Start difference. First operand 7307 states and 9007 transitions. Second operand 8 states. [2020-10-29 06:51:20,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:51:20,062 INFO L93 Difference]: Finished difference Result 15212 states and 18917 transitions. [2020-10-29 06:51:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 06:51:20,063 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 230 [2020-10-29 06:51:20,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:51:20,092 INFO L225 Difference]: With dead ends: 15212 [2020-10-29 06:51:20,092 INFO L226 Difference]: Without dead ends: 8297 [2020-10-29 06:51:20,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-29 06:51:20,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8297 states. [2020-10-29 06:51:20,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8297 to 8273. [2020-10-29 06:51:20,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8273 states. [2020-10-29 06:51:20,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8273 states to 8273 states and 10150 transitions. [2020-10-29 06:51:20,325 INFO L78 Accepts]: Start accepts. Automaton has 8273 states and 10150 transitions. Word has length 230 [2020-10-29 06:51:20,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:51:20,326 INFO L481 AbstractCegarLoop]: Abstraction has 8273 states and 10150 transitions. [2020-10-29 06:51:20,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:51:20,326 INFO L276 IsEmpty]: Start isEmpty. Operand 8273 states and 10150 transitions. [2020-10-29 06:51:20,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-10-29 06:51:20,332 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:51:20,333 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 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] [2020-10-29 06:51:20,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 06:51:20,333 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:51:20,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:51:20,334 INFO L82 PathProgramCache]: Analyzing trace with hash -2014120950, now seen corresponding path program 1 times [2020-10-29 06:51:20,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:51:20,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [40641210] [2020-10-29 06:51:20,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:51:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:20,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:20,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:21,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:21,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-29 06:51:21,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:51:21,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 782 [2020-10-29 06:51:21,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:21,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:21,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:51:21,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-29 06:51:21,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 06:51:21,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:21,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:51:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:21,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:21,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:21,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:51:21,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:21,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 06:51:21,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:21,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:21,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:21,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:21,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:21,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:21,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:51:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:21,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:21,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:21,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 06:51:21,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:21,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 06:51:21,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:21,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:21,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:51:21,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:21,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:51:21,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:21,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-29 06:51:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:51:21,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:51:21,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:51:21,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-29 06:51:21,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:51:21,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-29 06:51:21,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:51:21,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:51:21,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:51:21,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:51:21,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-29 06:51:21,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:51:21,659 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-10-29 06:51:21,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [40641210] [2020-10-29 06:51:21,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:51:21,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:51:21,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824109211] [2020-10-29 06:51:21,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:51:21,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:51:21,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:51:21,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:51:21,663 INFO L87 Difference]: Start difference. First operand 8273 states and 10150 transitions. Second operand 5 states. [2020-10-29 06:51:24,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:51:24,998 INFO L93 Difference]: Finished difference Result 17503 states and 21828 transitions. [2020-10-29 06:51:25,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:51:25,005 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 253 [2020-10-29 06:51:25,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:51:25,037 INFO L225 Difference]: With dead ends: 17503 [2020-10-29 06:51:25,037 INFO L226 Difference]: Without dead ends: 9424 [2020-10-29 06:51:25,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:51:25,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9424 states. [2020-10-29 06:51:25,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9424 to 9407. [2020-10-29 06:51:25,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9407 states. [2020-10-29 06:51:25,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9407 states to 9407 states and 11535 transitions. [2020-10-29 06:51:25,296 INFO L78 Accepts]: Start accepts. Automaton has 9407 states and 11535 transitions. Word has length 253 [2020-10-29 06:51:25,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:51:25,297 INFO L481 AbstractCegarLoop]: Abstraction has 9407 states and 11535 transitions. [2020-10-29 06:51:25,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:51:25,297 INFO L276 IsEmpty]: Start isEmpty. Operand 9407 states and 11535 transitions. [2020-10-29 06:51:25,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-10-29 06:51:25,304 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:51:25,304 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:51:25,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 06:51:25,304 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:51:25,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:51:25,305 INFO L82 PathProgramCache]: Analyzing trace with hash -21861308, now seen corresponding path program 1 times [2020-10-29 06:51:25,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:51:25,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1479084259] [2020-10-29 06:51:25,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:51:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-29 06:51:25,376 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-29 06:51:25,377 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-29 06:51:25,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 06:51:25,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:51:25 BoogieIcfgContainer [2020-10-29 06:51:25,427 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:51:25,429 INFO L168 Benchmark]: Toolchain (without parser) took 61034.42 ms. Allocated memory was 151.0 MB in the beginning and 921.7 MB in the end (delta: 770.7 MB). Free memory was 123.7 MB in the beginning and 473.0 MB in the end (delta: -349.3 MB). Peak memory consumption was 422.4 MB. Max. memory is 8.0 GB. [2020-10-29 06:51:25,430 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:51:25,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 974.02 ms. Allocated memory is still 151.0 MB. Free memory was 123.1 MB in the beginning and 119.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 40.2 MB. Max. memory is 8.0 GB. [2020-10-29 06:51:25,431 INFO L168 Benchmark]: Boogie Preprocessor took 186.99 ms. Allocated memory is still 151.0 MB. Free memory was 119.6 MB in the beginning and 112.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-29 06:51:25,432 INFO L168 Benchmark]: RCFGBuilder took 2195.83 ms. Allocated memory was 151.0 MB in the beginning and 199.2 MB in the end (delta: 48.2 MB). Free memory was 112.2 MB in the beginning and 157.1 MB in the end (delta: -44.9 MB). Peak memory consumption was 80.9 MB. Max. memory is 8.0 GB. [2020-10-29 06:51:25,433 INFO L168 Benchmark]: TraceAbstraction took 57658.88 ms. Allocated memory was 199.2 MB in the beginning and 921.7 MB in the end (delta: 722.5 MB). Free memory was 156.6 MB in the beginning and 473.0 MB in the end (delta: -316.4 MB). Peak memory consumption was 405.6 MB. Max. memory is 8.0 GB. [2020-10-29 06:51:25,436 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 974.02 ms. Allocated memory is still 151.0 MB. Free memory was 123.1 MB in the beginning and 119.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 40.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 186.99 ms. Allocated memory is still 151.0 MB. Free memory was 119.6 MB in the beginning and 112.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2195.83 ms. Allocated memory was 151.0 MB in the beginning and 199.2 MB in the end (delta: 48.2 MB). Free memory was 112.2 MB in the beginning and 157.1 MB in the end (delta: -44.9 MB). Peak memory consumption was 80.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 57658.88 ms. Allocated memory was 199.2 MB in the beginning and 921.7 MB in the end (delta: 722.5 MB). Free memory was 156.6 MB in the beginning and 473.0 MB in the end (delta: -316.4 MB). Peak memory consumption was 405.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L9] int inputA = 1; [L10] int inputD = 4; [L11] int inputB = 2; [L12] int inputE = 5; [L13] int inputF = 6; [L14] int inputC = 3; [L17] int a29 = 130; [L18] int a4 = 1; [L19] int a23 = 312; [L20] int a8 = 15; [L21] int a25 = 10; [L22] int a3 = 1; [L1033] int output = -1; [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL, EXPR calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L34] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L37] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L40] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L43] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L46] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L49] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L52] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L55] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L58] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L61] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L64] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L67] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L70] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L73] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L76] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L79] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L82] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L85] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L88] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L91] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L94] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L97] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L100] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L103] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L106] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L109] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L112] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L115] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L118] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L121] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L124] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L127] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L130] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L133] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L136] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L139] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L142] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L145] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L148] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L151] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L154] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L157] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L160] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L163] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L166] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L169] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L172] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L175] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L178] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L181] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L184] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L187] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L190] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L193] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L196] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L199] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L202] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L205] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L209] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L216] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L223] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L229] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L235] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L242] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L249] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L256] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L262] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L267] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L270] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L277] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L282] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L289] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L296] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L301] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L307] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L312] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L319] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L324] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L331] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L336] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L342] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L348] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L355] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L360] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L367] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L372] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L379] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L386] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L393] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L400] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L413] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L419] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L424] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L431] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L438] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L445] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L452] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L458] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L465] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L472] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L479] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L489] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L502] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L509] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L516] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L528] COND FALSE !(((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15)))) [L533] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 5)) && (a3==1))) && (a25==9)) && a29 <= 140 ) && (a8==15))) [L539] COND FALSE !(( 306 < a23 && (((a8==15) && ((((input == 1) && ((a25==11) || (a25==12))) && (a4==1)) && (a3==1))) && ((140 < a29) && (245 >= a29)) ))) [L544] COND FALSE !(((((a8==15) && ( a23 <= -43 && (((input == 1) && ((a25==10) || (a25==11))) && a29 <= 140 ))) && !(a4==1)) && (a3==1))) [L551] COND FALSE !(((( a23 <= -43 && (!(a4==1) && ((a3==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 5))))) && (a8==15)) && ((140 < a29) && (245 >= a29)) )) [L557] COND FALSE !(((a3==1) && ( ((-43 < a23) && (138 >= a23)) && ((a8==15) && ((((((a25==10) || (a25==11)) || (a25==12)) && (input == 5)) && a29 <= 140 ) && !(a4==1)))))) [L563] COND FALSE !(( 306 < a23 && (((a3==1) && ( 277 < a29 && (((input == 4) && (((a25==9) || (a25==10)) || (a25==11))) && (a8==15)))) && (a4==1)))) [L568] COND FALSE !((!(a4==1) && ( a23 <= -43 && ((a8==15) && (((((a25==12) || ((a25==10) || (a25==11))) && (input == 1)) && (a3==1)) && 277 < a29 ))))) [L574] COND FALSE !(( 277 < a29 && (((a25==13) && ( a23 <= -43 && (!(a4==1) && ((input == 1) && (a3==1))))) && (a8==15)))) [L577] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (((a25==9) && ((input == 4) && !(a4==1))) && a29 <= 140 )) && (a3==1)) && (a8==15))) [L583] COND FALSE !(((a8==15) && ((((a3==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 3)) && (a4==1))) && 306 < a23 ) && a29 <= 140 ))) [L588] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && ((a3==1) && (!(a4==1) && ((input == 4) && (((a25==10) && ((140 < a29) && (245 >= a29)) ) || (((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9)))))))) && (a8==15))) [L600] COND FALSE !(((((a8==15) && ((!(a4==1) && (((a25==11) || ((a25==9) || (a25==10))) && (input == 6))) && (a3==1))) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) )) [L605] COND FALSE !(( a29 <= 140 && (((a4==1) && ((a8==15) && (((input == 6) && (((a25==10) || (a25==11)) || (a25==12))) && 306 < a23 ))) && (a3==1)))) [L617] COND FALSE !(((((((a3==1) && ((input == 5) && ((a25==11) || (a25==12)))) && (a4==1)) && 306 < a23 ) && ((140 < a29) && (245 >= a29)) ) && (a8==15))) [L623] COND FALSE !(((((a4==1) && ( 306 < a23 && ((a8==15) && (((a25==11) || (a25==12)) && (input == 2))))) && ((140 < a29) && (245 >= a29)) ) && (a3==1))) [L630] COND FALSE !(((((a8==15) && ( a23 <= -43 && (!(a4==1) && ((a25==11) && (input == 5))))) && (a3==1)) && ((245 < a29) && (277 >= a29)) )) [L637] COND FALSE !((((((((input == 2) && ((a25==9) || (a25==10))) && (a8==15)) && ((140 < a29) && (245 >= a29)) ) && 306 < a23 ) && (a3==1)) && (a4==1))) [L644] COND FALSE !(((a8==15) && (((( 277 < a29 && ((input == 2) && ((a25==11) || ((a25==9) || (a25==10))))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L649] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 3) && ((a25==12) || ((a25==10) || (a25==11))))) && !(a4==1)) && (a8==15)) && a29 <= 140 ) && (a3==1))) [L660] COND FALSE !((((!(a4==1) && ((((input == 6) && ((a25==12) || ((a25==10) || (a25==11)))) && (a8==15)) && ((-43 < a23) && (138 >= a23)) )) && (a3==1)) && a29 <= 140 )) [L665] COND FALSE !(((a25==9) && (( a29 <= 140 && ((a3==1) && (!(a4==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 2))))) && (a8==15)))) [L672] COND FALSE !((!(a4==1) && ( a23 <= -43 && (((a8==15) && (((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ( ((245 < a29) && (277 >= a29)) && (a25==13))) || ((a25==9) && 277 < a29 )) && (input == 3))) && (a3==1))))) [L677] COND FALSE !((((!(a4==1) && ((a3==1) && ((input == 5) && ((( ((245 < a29) && (277 >= a29)) && (a25==12)) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ((a25==9) && 277 < a29 ))))) && a23 <= -43 ) && (a8==15))) [L683] COND FALSE !(( a23 <= -43 && (!(a4==1) && ( ((245 < a29) && (277 >= a29)) && ((a8==15) && ((a25==11) && ((a3==1) && (input == 3)))))))) [L690] COND FALSE !(((((a8==15) && ( 306 < a23 && ( ((140 < a29) && (245 >= a29)) && ((input == 1) && ((a25==9) || (a25==10)))))) && (a4==1)) && (a3==1))) [L696] COND FALSE !((!(a4==1) && (((((a3==1) && ((input == 2) && (((a25==9) || (a25==10)) || (a25==11)))) && ((140 < a29) && (245 >= a29)) ) && a23 <= -43 ) && (a8==15)))) [L708] COND FALSE !(((((((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))) && (input == 6)) && (a3==1)) && 306 < a23 ) && (a4==1)) && (a8==15))) [L714] COND FALSE !(( 306 < a23 && ((a8==15) && ( 277 < a29 && ((a4==1) && ((a3==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 5)))))))) [L719] COND FALSE !(((( 277 < a29 && ((a8==15) && (((input == 6) && a23 <= -43 ) && (a25==13)))) && !(a4==1)) && (a3==1))) [L733] COND FALSE !(((a3==1) && (((!(a4==1) && ((( ((140 < a29) && (245 >= a29)) && (a25==10)) || (( a29 <= 140 && (a25==13)) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))) && (input == 3))) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)))) [L740] COND FALSE !(((a3==1) && (( 306 < a23 && (((a4==1) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 1))) && a29 <= 140 )) && (a8==15)))) [L745] COND FALSE !((((( a23 <= -43 && ((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) ))))) && (a3==1)) && !(a4==1)) && (a8==15))) [L752] COND FALSE !(((!(a4==1) && (((a8==15) && ( a29 <= 140 && (((a25==10) || (a25==11)) && (input == 5)))) && a23 <= -43 )) && (a3==1))) [L759] COND FALSE !((((((a8==15) && ((a3==1) && ( a23 <= -43 && (input == 5)))) && !(a4==1)) && (a25==13)) && 277 < a29 )) [L771] COND FALSE !(((a8==15) && ((a3==1) && ( 306 < a23 && ((((((a25==11) || (a25==12)) || (a25==13)) && (input == 1)) && (a4==1)) && ((245 < a29) && (277 >= a29)) ))))) [L776] COND FALSE !((!(a4==1) && (((((((a25==12) || (a25==13)) && (input == 6)) && (a8==15)) && a23 <= -43 ) && (a3==1)) && a29 <= 140 ))) [L782] COND FALSE !(((a3==1) && (( a23 <= -43 && (((input == 6) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && !(a4==1))) && (a8==15)))) [L789] COND FALSE !((((( ((-43 < a23) && (138 >= a23)) && ((!(a4==1) && (input == 6)) && (a25==9))) && a29 <= 140 ) && (a3==1)) && (a8==15))) [L794] COND FALSE !((( a29 <= 140 && ((a3==1) && ((a8==15) && ((a25==13) && ( 306 < a23 && (input == 1)))))) && (a4==1))) [L801] COND FALSE !(((a3==1) && (((a8==15) && (((( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9)))) && (input == 5)) && 306 < a23 )) && (a4==1)))) [L806] COND FALSE !((((((a8==15) && ((input == 4) && (( 277 < a29 && (a25==9)) || (( ((245 < a29) && (277 >= a29)) && (a25==12)) || ( ((245 < a29) && (277 >= a29)) && (a25==13)))))) && !(a4==1)) && a23 <= -43 ) && (a3==1))) [L818] COND FALSE !(((( ((-43 < a23) && (138 >= a23)) && (!(a4==1) && ((input == 5) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (( a29 <= 140 && (a25==13)) || ((a25==9) && ((140 < a29) && (245 >= a29)) )))))) && (a8==15)) && (a3==1))) [L824] COND FALSE !(( a29 <= 140 && ((((( 306 < a23 && (input == 2)) && (a25==13)) && (a4==1)) && (a3==1)) && (a8==15)))) [L827] COND FALSE !(((a8==15) && ((((a3==1) && ((((a25==10) || (a25==11)) && (input == 6)) && a29 <= 140 )) && a23 <= -43 ) && !(a4==1)))) [L833] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((a8==15) && (((a25==13) || ((a25==11) || (a25==12))) && (input == 4))) && (a4==1)) && (a3==1)) && 306 < a23 ))) [L838] COND FALSE !((((a3==1) && ((a8==15) && ((((a25==13) && (input == 4)) && (a4==1)) && a29 <= 140 ))) && 306 < a23 )) [L843] COND FALSE !((( 306 < a23 && ((a25==13) && ((((input == 3) && a29 <= 140 ) && (a3==1)) && (a4==1)))) && (a8==15))) [L848] COND FALSE !((!(a4==1) && (( 277 < a29 && ((((input == 4) && a23 <= -43 ) && (a8==15)) && (a3==1))) && (a25==13)))) [L854] COND FALSE !(((a3==1) && (((((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ) || (( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==12))) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13))))) && (input == 1)) && (a8==15)))) [L861] COND FALSE !(( 277 < a29 && ((a3==1) && ((a8==15) && ((a4==1) && ( 306 < a23 && ((input == 6) && (((a25==9) || (a25==10)) || (a25==11))))))))) [L867] COND FALSE !(((((( ((-43 < a23) && (138 >= a23)) && ((input == 4) && ((a25==12) || ((a25==10) || (a25==11))))) && (a8==15)) && !(a4==1)) && (a3==1)) && a29 <= 140 )) [L878] COND FALSE !(((((( a23 <= -43 && ((input == 5) && ((a25==12) || ((a25==10) || (a25==11))))) && (a3==1)) && !(a4==1)) && 277 < a29 ) && (a8==15))) [L883] COND FALSE !(((((a8==15) && ((a4==1) && (((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 2)))) && (a3==1)) && 306 < a23 )) [L888] COND FALSE !((( a23 <= -43 && ((( ((140 < a29) && (245 >= a29)) && ((input == 1) && (((a25==9) || (a25==10)) || (a25==11)))) && !(a4==1)) && (a8==15))) && (a3==1))) [L895] COND TRUE ((((a3==1) && ((((input == 2) && ((a25==12) || ((a25==10) || (a25==11)))) && (a4==1)) && (a8==15))) && a29 <= 140 ) && 306 < a23 ) [L897] a25 = 13 [L899] return 23; [L1044] RET, EXPR calculate_output(input) [L1044] output = calculate_output(input) [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL, EXPR calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L34] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L37] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L40] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L43] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L46] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L49] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L52] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L55] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L58] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L61] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L64] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L67] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L70] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L73] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L76] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L79] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L82] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L85] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L88] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L91] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L94] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L97] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L100] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L103] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L106] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L109] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L112] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L115] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L118] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L121] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L124] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L127] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L130] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L133] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L136] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L139] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L142] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L145] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L148] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L151] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L154] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L157] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L160] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L163] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L166] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L169] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L172] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L175] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L178] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L181] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L184] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L187] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L190] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L193] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L196] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L199] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L202] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L205] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L209] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L216] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L223] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L229] COND TRUE ((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 ) [L230] a29 = ((((a29 + 355924) * 1) % 15)+ 262) [L231] a23 = (((((a23 % 83)+ 162) + -17) / 5) + 170) [L232] a25 = 9 [L234] return -1; [L1044] RET, EXPR calculate_output(input) [L1044] output = calculate_output(input) [L1036] COND TRUE 1 [L1039] int input; [L1040] input = __VERIFIER_nondet_int() [L1041] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1044] CALL calculate_output(input) [L25] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L28] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L31] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L34] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L37] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L40] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L43] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L46] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L49] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L52] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L55] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L58] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L61] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L64] COND TRUE ((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15)) [L65] CALL reach_error() [L4] __assert_fail("0", "Problem11_label49.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 57.5s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 37.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 496 SDtfs, 5986 SDslu, 850 SDs, 0 SdLazy, 14616 SolverSat, 1895 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 154 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9407occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 912 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 17.5s InterpolantComputationTime, 2017 NumberOfCodeBlocks, 2017 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1738 ConstructedInterpolants, 0 QuantifiedInterpolants, 961462 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 729/744 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...