/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label32.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 04:41:25,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:41:25,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:41:25,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 04:41:25,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 04:41:25,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 04:41:25,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 04:41:25,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 04:41:25,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 04:41:25,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 04:41:25,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 04:41:25,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 04:41:25,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:41:25,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:41:25,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:41:25,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:41:25,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:41:25,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:41:25,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:41:25,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:41:25,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:41:25,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:41:25,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:41:25,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:41:25,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 04:41:25,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 04:41:25,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 04:41:25,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 04:41:25,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 04:41:25,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 04:41:25,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 04:41:25,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 04:41:25,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 04:41:25,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 04:41:25,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 04:41:25,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 04:41:25,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 04:41:25,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 04:41:25,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:41:25,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:41:25,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:41:25,473 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 04:41:25,486 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:41:25,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:41:25,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:41:25,488 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:41:25,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:41:25,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:41:25,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:41:25,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:41:25,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:41:25,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:41:25,490 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:41:25,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:41:25,490 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:41:25,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:41:25,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:41:25,491 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:41:25,491 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:41:25,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:41:25,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:41:25,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:41:25,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:41:25,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:41:25,493 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:41:25,493 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:41:25,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:41:25,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:41:25,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:41:25,959 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:41:25,959 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:41:25,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label32.c [2021-02-24 04:41:26,050 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca1e4fcfd/dca994db981e4c0a9d69c6566d9265d9/FLAG513663b6e [2021-02-24 04:41:26,950 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:41:26,951 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label32.c [2021-02-24 04:41:26,966 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca1e4fcfd/dca994db981e4c0a9d69c6566d9265d9/FLAG513663b6e [2021-02-24 04:41:27,134 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca1e4fcfd/dca994db981e4c0a9d69c6566d9265d9 [2021-02-24 04:41:27,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:41:27,151 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:41:27,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:41:27,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:41:27,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:41:27,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:41:27" (1/1) ... [2021-02-24 04:41:27,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4773433d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:41:27, skipping insertion in model container [2021-02-24 04:41:27,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:41:27" (1/1) ... [2021-02-24 04:41:27,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:41:27,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:41:27,534 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label32.c[3048,3061] [2021-02-24 04:41:27,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:41:27,772 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:41:27,802 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label32.c[3048,3061] [2021-02-24 04:41:27,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:41:27,990 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:41:27,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:41:27 WrapperNode [2021-02-24 04:41:27,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:41:27,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:41:27,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:41:27,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:41:28,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:41:27" (1/1) ... [2021-02-24 04:41:28,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:41:27" (1/1) ... [2021-02-24 04:41:28,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:41:27" (1/1) ... [2021-02-24 04:41:28,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:41:27" (1/1) ... [2021-02-24 04:41:28,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:41:27" (1/1) ... [2021-02-24 04:41:28,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:41:27" (1/1) ... [2021-02-24 04:41:28,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:41:27" (1/1) ... [2021-02-24 04:41:28,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:41:28,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:41:28,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:41:28,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:41:28,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:41:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2021-02-24 04:41:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:41:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:41:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:41:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-24 04:41:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:41:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-24 04:41:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:41:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:41:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:41:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:41:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 04:41:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-24 04:41:28,316 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:41:28,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:41:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:41:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:41:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:41:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:41:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:41:30,029 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:41:30,030 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-24 04:41:30,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:41:30 BoogieIcfgContainer [2021-02-24 04:41:30,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:41:30,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:41:30,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:41:30,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:41:30,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:41:27" (1/3) ... [2021-02-24 04:41:30,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d46dca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:41:30, skipping insertion in model container [2021-02-24 04:41:30,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:41:27" (2/3) ... [2021-02-24 04:41:30,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d46dca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:41:30, skipping insertion in model container [2021-02-24 04:41:30,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:41:30" (3/3) ... [2021-02-24 04:41:30,041 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label32.c [2021-02-24 04:41:30,048 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:41:30,053 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 04:41:30,073 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 04:41:30,097 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:41:30,097 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:41:30,097 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:41:30,098 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:41:30,098 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:41:30,098 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:41:30,098 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:41:30,098 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:41:30,125 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states. [2021-02-24 04:41:30,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-02-24 04:41:30,136 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:41:30,137 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:41:30,137 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:41:30,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:41:30,144 INFO L82 PathProgramCache]: Analyzing trace with hash 273948366, now seen corresponding path program 1 times [2021-02-24 04:41:30,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:41:30,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [287775332] [2021-02-24 04:41:30,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:41:30,241 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:41:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:41:30,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:30,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:41:30,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:30,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:41:30,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:30,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:41:30,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:30,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:41:30,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:41:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:41:30,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:30,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:41:30,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:30,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:41:30,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:41:30,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [287775332] [2021-02-24 04:41:30,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:41:30,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 04:41:30,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524562123] [2021-02-24 04:41:30,614 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 04:41:30,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:41:30,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 04:41:30,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-24 04:41:30,640 INFO L87 Difference]: Start difference. First operand 465 states. Second operand 4 states. [2021-02-24 04:41:33,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:41:33,289 INFO L93 Difference]: Finished difference Result 1098 states and 1523 transitions. [2021-02-24 04:41:33,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-24 04:41:33,291 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2021-02-24 04:41:33,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:41:33,310 INFO L225 Difference]: With dead ends: 1098 [2021-02-24 04:41:33,311 INFO L226 Difference]: Without dead ends: 583 [2021-02-24 04:41:33,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-24 04:41:33,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2021-02-24 04:41:33,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 553. [2021-02-24 04:41:33,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2021-02-24 04:41:33,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 650 transitions. [2021-02-24 04:41:33,516 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 650 transitions. Word has length 52 [2021-02-24 04:41:33,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:41:33,517 INFO L480 AbstractCegarLoop]: Abstraction has 553 states and 650 transitions. [2021-02-24 04:41:33,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 04:41:33,518 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 650 transitions. [2021-02-24 04:41:33,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-02-24 04:41:33,524 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:41:33,524 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2021-02-24 04:41:33,525 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:41:33,525 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:41:33,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:41:33,526 INFO L82 PathProgramCache]: Analyzing trace with hash 491207250, now seen corresponding path program 1 times [2021-02-24 04:41:33,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:41:33,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2015761298] [2021-02-24 04:41:33,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:41:33,796 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 53 [2021-02-24 04:41:33,827 WARN L141 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-02-24 04:41:33,854 WARN L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-02-24 04:41:33,862 WARN L141 QuantifierPusher]: treesize reduction 38, result has 7.3 percent of original size [2021-02-24 04:41:33,863 WARN L147 QuantifierPusher]: treesize reduction 38, result has 7.3 percent of original size 3 [2021-02-24 04:41:33,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:33,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:41:33,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:33,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:41:33,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:33,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:41:33,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:33,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:41:33,886 WARN L141 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-02-24 04:41:33,889 WARN L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-02-24 04:41:33,896 WARN L141 QuantifierPusher]: treesize reduction 38, result has 7.3 percent of original size [2021-02-24 04:41:33,897 WARN L147 QuantifierPusher]: treesize reduction 38, result has 7.3 percent of original size 3 [2021-02-24 04:41:33,902 WARN L141 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-02-24 04:41:33,905 WARN L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-02-24 04:41:33,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:33,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:41:33,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:33,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:41:33,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:33,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:41:33,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:33,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:41:33,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:33,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:41:33,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:33,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:41:33,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:33,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:41:33,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:33,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:41:33,935 WARN L141 QuantifierPusher]: treesize reduction 27, result has 10.0 percent of original size [2021-02-24 04:41:33,936 WARN L147 QuantifierPusher]: treesize reduction 27, result has 10.0 percent of original size 3 [2021-02-24 04:41:33,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:33,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:41:33,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:33,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:41:33,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:33,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:41:33,956 WARN L141 QuantifierPusher]: treesize reduction 27, result has 10.0 percent of original size [2021-02-24 04:41:33,957 WARN L147 QuantifierPusher]: treesize reduction 27, result has 10.0 percent of original size 3 [2021-02-24 04:41:33,962 WARN L141 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-02-24 04:41:33,966 WARN L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-02-24 04:41:33,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:33,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:41:33,971 WARN L141 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-02-24 04:41:33,975 WARN L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-02-24 04:41:33,978 WARN L141 QuantifierPusher]: treesize reduction 34, result has 8.1 percent of original size [2021-02-24 04:41:33,979 WARN L147 QuantifierPusher]: treesize reduction 34, result has 8.1 percent of original size 3 [2021-02-24 04:41:33,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:33,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:41:33,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:33,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:41:33,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:33,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:41:33,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:33,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:41:33,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:33,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:41:33,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:33,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:41:34,000 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:34,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:41:34,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:41:34,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:41:34,004 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:41:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 04:41:34,094 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 04:41:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 04:41:34,150 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 04:41:34,216 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-24 04:41:34,217 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-24 04:41:34,219 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 04:41:34,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 04:41:34 BoogieIcfgContainer [2021-02-24 04:41:34,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 04:41:34,261 INFO L168 Benchmark]: Toolchain (without parser) took 7121.57 ms. Allocated memory was 151.0 MB in the beginning and 234.9 MB in the end (delta: 83.9 MB). Free memory was 125.0 MB in the beginning and 100.2 MB in the end (delta: 24.8 MB). Peak memory consumption was 110.0 MB. Max. memory is 8.0 GB. [2021-02-24 04:41:34,262 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory was 129.5 MB in the beginning and 129.4 MB in the end (delta: 107.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:41:34,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 835.44 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 97.3 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2021-02-24 04:41:34,264 INFO L168 Benchmark]: Boogie Preprocessor took 194.39 ms. Allocated memory is still 151.0 MB. Free memory was 97.3 MB in the beginning and 129.8 MB in the end (delta: -32.5 MB). Peak memory consumption was 6.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:41:34,264 INFO L168 Benchmark]: RCFGBuilder took 1845.61 ms. Allocated memory was 151.0 MB in the beginning and 186.6 MB in the end (delta: 35.7 MB). Free memory was 129.8 MB in the beginning and 126.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 86.8 MB. Max. memory is 8.0 GB. [2021-02-24 04:41:34,265 INFO L168 Benchmark]: TraceAbstraction took 4225.27 ms. Allocated memory was 186.6 MB in the beginning and 234.9 MB in the end (delta: 48.2 MB). Free memory was 126.8 MB in the beginning and 100.2 MB in the end (delta: 26.6 MB). Peak memory consumption was 74.8 MB. Max. memory is 8.0 GB. [2021-02-24 04:41:34,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory was 129.5 MB in the beginning and 129.4 MB in the end (delta: 107.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 835.44 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 97.3 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 194.39 ms. Allocated memory is still 151.0 MB. Free memory was 97.3 MB in the beginning and 129.8 MB in the end (delta: -32.5 MB). Peak memory consumption was 6.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1845.61 ms. Allocated memory was 151.0 MB in the beginning and 186.6 MB in the end (delta: 35.7 MB). Free memory was 129.8 MB in the beginning and 126.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 86.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4225.27 ms. Allocated memory was 186.6 MB in the beginning and 234.9 MB in the end (delta: 48.2 MB). Free memory was 126.8 MB in the beginning and 100.2 MB in the end (delta: 26.6 MB). Peak memory consumption was 74.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 89]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int inputC = 3; [L18] int inputD = 4; [L19] int inputE = 5; [L20] int inputF = 6; [L21] int inputB = 2; [L24] int a1 = 23; [L25] int a19 = 9; [L26] int a10 = 0; [L27] int a12 = 0; [L28] int a4 = 14; [L589] int output = -1; [L592] COND TRUE 1 [L595] int input; [L596] input = __VERIFIER_nondet_int() [L597] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L600] CALL, EXPR calculate_output(input) [L31] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L34] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L37] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L40] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L43] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L46] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L49] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L52] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L55] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L58] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L61] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L64] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L67] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L70] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L73] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L76] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L79] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L82] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L85] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L88] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L91] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L94] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L97] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L100] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L103] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L106] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L109] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L112] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L115] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L118] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L121] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L124] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L127] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L130] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L133] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L136] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L139] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L142] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L145] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L148] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L151] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L154] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L157] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L160] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L163] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L166] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L169] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L172] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L175] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L178] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L181] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L184] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L187] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L190] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L193] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L196] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L199] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L202] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L205] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L208] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L211] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L215] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L220] COND TRUE ((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0))) [L221] a1 = (((a1 + -15535) - 211896) / 5) [L222] a10 = 2 [L224] return 22; [L600] RET, EXPR calculate_output(input) [L600] output = calculate_output(input) [L592] COND TRUE 1 [L595] int input; [L596] input = __VERIFIER_nondet_int() [L597] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L600] CALL calculate_output(input) [L31] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L34] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L37] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L40] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L43] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L46] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L49] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L52] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L55] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L58] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L61] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L64] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L67] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L70] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L73] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L76] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L79] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L82] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L85] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L88] COND TRUE (((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7)) [L89] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 468 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.1s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 213 SDtfs, 649 SDslu, 122 SDs, 0 SdLazy, 968 SolverSat, 161 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=553occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 30 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...