/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/Problem11_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:16:02,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:16:02,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:16:02,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 02:16:02,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:16:02,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:16:02,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:16:02,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:16:02,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:16:02,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:16:02,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:16:02,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:16:02,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:16:02,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:16:02,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:16:02,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:16:02,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 02:16:02,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:16:02,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:16:02,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:16:02,869 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 02:16:02,893 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:16:02,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:16:02,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:16:02,899 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:16:02,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:16:02,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:16:02,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:16:02,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:16:02,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:16:02,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:16:02,902 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:16:02,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:16:02,903 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:16:02,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:16:02,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:16:02,904 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:16:02,904 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:16:02,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:16:02,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:16:02,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:16:02,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:16:02,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:16:02,906 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:16:02,906 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:16:03,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:16:03,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:16:03,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:16:03,392 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:16:03,393 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:16:03,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label36.c [2021-02-22 02:16:03,484 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eddf26b2/aa15e7ea9916475483990686703f55bf/FLAGa7b0012c8 [2021-02-22 02:16:04,340 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:16:04,340 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label36.c [2021-02-22 02:16:04,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eddf26b2/aa15e7ea9916475483990686703f55bf/FLAGa7b0012c8 [2021-02-22 02:16:04,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eddf26b2/aa15e7ea9916475483990686703f55bf [2021-02-22 02:16:04,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:16:04,533 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:16:04,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:16:04,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:16:04,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:16:04,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:16:04" (1/1) ... [2021-02-22 02:16:04,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3de55a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:04, skipping insertion in model container [2021-02-22 02:16:04,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:16:04" (1/1) ... [2021-02-22 02:16:04,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:16:04,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:16:04,933 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/Problem11_label36.c[2027,2040] [2021-02-22 02:16:05,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:16:05,377 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:16:05,415 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/Problem11_label36.c[2027,2040] [2021-02-22 02:16:05,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:16:05,713 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:16:05,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:05 WrapperNode [2021-02-22 02:16:05,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:16:05,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:16:05,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:16:05,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:16:05,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:05" (1/1) ... [2021-02-22 02:16:05,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:05" (1/1) ... [2021-02-22 02:16:05,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:05" (1/1) ... [2021-02-22 02:16:05,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:05" (1/1) ... [2021-02-22 02:16:05,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:05" (1/1) ... [2021-02-22 02:16:05,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:05" (1/1) ... [2021-02-22 02:16:05,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:05" (1/1) ... [2021-02-22 02:16:05,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:16:05,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:16:05,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:16:05,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:16:05,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:05" (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 [2021-02-22 02:16:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:16:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:16:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:16:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-22 02:16:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:16:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-22 02:16:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:16:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:16:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:16:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:16:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 02:16:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-22 02:16:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:16:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:16:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:16:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:16:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:16:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:16:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:16:08,211 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:16:08,211 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-22 02:16:08,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:16:08 BoogieIcfgContainer [2021-02-22 02:16:08,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:16:08,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:16:08,217 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:16:08,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:16:08,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:16:04" (1/3) ... [2021-02-22 02:16:08,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de7d809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:16:08, skipping insertion in model container [2021-02-22 02:16:08,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:05" (2/3) ... [2021-02-22 02:16:08,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de7d809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:16:08, skipping insertion in model container [2021-02-22 02:16:08,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:16:08" (3/3) ... [2021-02-22 02:16:08,225 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label36.c [2021-02-22 02:16:08,232 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:16:08,239 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 02:16:08,260 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 02:16:08,288 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:16:08,288 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:16:08,288 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:16:08,288 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:16:08,289 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:16:08,289 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:16:08,289 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:16:08,289 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:16:08,322 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states. [2021-02-22 02:16:08,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-02-22 02:16:08,334 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:16:08,335 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] [2021-02-22 02:16:08,335 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:16:08,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:16:08,342 INFO L82 PathProgramCache]: Analyzing trace with hash 728969183, now seen corresponding path program 1 times [2021-02-22 02:16:08,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:16:08,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1509604049] [2021-02-22 02:16:08,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:16:08,441 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:16:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:16:08,653 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-22 02:16:08,654 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-22 02:16:08,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:08,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:08,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:08,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:08,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:08,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:08,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:16:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:16:08,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:08,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:08,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:08,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:16:08,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:16:08,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1509604049] [2021-02-22 02:16:08,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:16:08,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-22 02:16:08,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910441967] [2021-02-22 02:16:08,796 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-22 02:16:08,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:16:08,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-22 02:16:08,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-22 02:16:08,815 INFO L87 Difference]: Start difference. First operand 822 states. Second operand 5 states. [2021-02-22 02:16:14,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:16:14,690 INFO L93 Difference]: Finished difference Result 2372 states and 3168 transitions. [2021-02-22 02:16:14,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-22 02:16:14,693 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2021-02-22 02:16:14,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:16:14,726 INFO L225 Difference]: With dead ends: 2372 [2021-02-22 02:16:14,726 INFO L226 Difference]: Without dead ends: 1497 [2021-02-22 02:16:14,751 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-22 02:16:14,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2021-02-22 02:16:15,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1163. [2021-02-22 02:16:15,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1163 states. [2021-02-22 02:16:15,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1498 transitions. [2021-02-22 02:16:15,074 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1498 transitions. Word has length 42 [2021-02-22 02:16:15,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:16:15,075 INFO L480 AbstractCegarLoop]: Abstraction has 1163 states and 1498 transitions. [2021-02-22 02:16:15,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-22 02:16:15,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1498 transitions. [2021-02-22 02:16:15,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-02-22 02:16:15,082 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:16:15,083 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-02-22 02:16:15,084 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 02:16:15,084 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:16:15,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:16:15,085 INFO L82 PathProgramCache]: Analyzing trace with hash 95802964, now seen corresponding path program 1 times [2021-02-22 02:16:15,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:16:15,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [119027764] [2021-02-22 02:16:15,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:16:16,854 WARN L202 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 248 DAG size of output: 129 [2021-02-22 02:16:16,882 WARN L141 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-02-22 02:16:16,908 WARN L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-02-22 02:16:16,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:16,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:16,917 WARN L141 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-02-22 02:16:16,920 WARN L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-02-22 02:16:16,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:16,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:16,932 WARN L141 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-02-22 02:16:16,935 WARN L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-02-22 02:16:16,940 WARN L141 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size [2021-02-22 02:16:16,945 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:16:16,960 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:16,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:16:16,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:16,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 02:16:16,970 WARN L147 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size 48 [2021-02-22 02:16:16,980 WARN L141 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-02-22 02:16:16,983 WARN L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-02-22 02:16:16,988 WARN L141 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size [2021-02-22 02:16:16,990 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:16:16,992 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:16,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:16:16,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:16,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 02:16:16,998 WARN L147 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size 48 [2021-02-22 02:16:16,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-22 02:16:17,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-22 02:16:17,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:17,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:17,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:17,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:17,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:17,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:17,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:17,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:17,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:17,026 WARN L141 QuantifierPusher]: treesize reduction 30, result has 9.1 percent of original size [2021-02-22 02:16:17,026 WARN L147 QuantifierPusher]: treesize reduction 30, result has 9.1 percent of original size 3 [2021-02-22 02:16:17,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:17,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:17,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:17,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:17,045 WARN L141 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-02-22 02:16:17,047 WARN L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-02-22 02:16:17,052 WARN L141 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size [2021-02-22 02:16:17,053 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:16:17,055 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:16:17,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 02:16:17,061 WARN L147 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size 48 [2021-02-22 02:16:17,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:17,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:17,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:17,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:17,080 WARN L141 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-02-22 02:16:17,083 WARN L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-02-22 02:16:17,087 WARN L141 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size [2021-02-22 02:16:17,089 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:16:17,091 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:16:17,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:17,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 02:16:17,097 WARN L147 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size 48 [2021-02-22 02:16:17,098 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 02:16:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:16:17,166 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:16:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:16:17,195 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:16:17,240 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-22 02:16:17,240 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-22 02:16:17,241 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-22 02:16:17,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 02:16:17 BoogieIcfgContainer [2021-02-22 02:16:17,269 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 02:16:17,271 INFO L168 Benchmark]: Toolchain (without parser) took 12750.86 ms. Allocated memory was 162.5 MB in the beginning and 357.6 MB in the end (delta: 195.0 MB). Free memory was 134.9 MB in the beginning and 221.2 MB in the end (delta: -86.4 MB). Peak memory consumption was 110.2 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:17,272 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 162.5 MB. Free memory was 135.4 MB in the beginning and 135.3 MB in the end (delta: 100.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:16:17,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1174.24 ms. Allocated memory is still 162.5 MB. Free memory was 133.6 MB in the beginning and 122.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:17,273 INFO L168 Benchmark]: Boogie Preprocessor took 203.24 ms. Allocated memory is still 162.5 MB. Free memory was 122.6 MB in the beginning and 115.1 MB in the end (delta: 7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:17,274 INFO L168 Benchmark]: RCFGBuilder took 2295.48 ms. Allocated memory was 162.5 MB in the beginning and 212.9 MB in the end (delta: 50.3 MB). Free memory was 114.6 MB in the beginning and 169.0 MB in the end (delta: -54.5 MB). Peak memory consumption was 77.5 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:17,275 INFO L168 Benchmark]: TraceAbstraction took 9052.10 ms. Allocated memory was 212.9 MB in the beginning and 357.6 MB in the end (delta: 144.7 MB). Free memory was 169.0 MB in the beginning and 221.2 MB in the end (delta: -52.2 MB). Peak memory consumption was 93.0 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:17,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 162.5 MB. Free memory was 135.4 MB in the beginning and 135.3 MB in the end (delta: 100.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1174.24 ms. Allocated memory is still 162.5 MB. Free memory was 133.6 MB in the beginning and 122.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 203.24 ms. Allocated memory is still 162.5 MB. Free memory was 122.6 MB in the beginning and 115.1 MB in the end (delta: 7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2295.48 ms. Allocated memory was 162.5 MB in the beginning and 212.9 MB in the end (delta: 50.3 MB). Free memory was 114.6 MB in the beginning and 169.0 MB in the end (delta: -54.5 MB). Peak memory consumption was 77.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9052.10 ms. Allocated memory was 212.9 MB in the beginning and 357.6 MB in the end (delta: 144.7 MB). Free memory was 169.0 MB in the beginning and 221.2 MB in the end (delta: -52.2 MB). Peak memory consumption was 93.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 55]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int inputA = 1; [L18] int inputD = 4; [L19] int inputB = 2; [L20] int inputE = 5; [L21] int inputF = 6; [L22] int inputC = 3; [L25] int a29 = 130; [L26] int a4 = 1; [L27] int a23 = 312; [L28] int a8 = 15; [L29] int a25 = 10; [L30] int a3 = 1; [L1041] int output = -1; [L1044] COND TRUE 1 [L1047] int input; [L1048] input = __VERIFIER_nondet_int() [L1049] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1052] CALL, EXPR calculate_output(input) [L33] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L36] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L39] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L42] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L45] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L48] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L51] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L54] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L57] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L60] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L63] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L66] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L69] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L72] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L75] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L78] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L81] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L84] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L87] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L90] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L93] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L96] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L99] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L102] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L105] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L108] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L111] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L114] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L117] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L120] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L123] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L126] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L129] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L132] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L135] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L138] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L141] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L144] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L147] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L150] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L153] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L156] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L159] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L162] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L165] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L168] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L171] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L174] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L177] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L180] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L183] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L186] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L189] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L192] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L195] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L198] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L201] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L204] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L210] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L213] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L217] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L224] 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)))) [L231] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L237] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L243] 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))) [L250] COND TRUE ((((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)) [L251] a29 = ((((a29 / 5) % 15)+ 260) + 1) [L252] a23 = (((((a23 / 5) % 90)- -47) - -159208) - 159206) [L253] a4 = 1 [L254] a25 = 11 [L256] return -1; [L1052] RET, EXPR calculate_output(input) [L1052] output = calculate_output(input) [L1044] COND TRUE 1 [L1047] int input; [L1048] input = __VERIFIER_nondet_int() [L1049] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1052] CALL calculate_output(input) [L33] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L36] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L39] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L42] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L45] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L48] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L51] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L54] COND TRUE ((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)) [L55] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 825 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.9s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 461 SDtfs, 2573 SDslu, 271 SDs, 0 SdLazy, 1887 SolverSat, 874 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1163occurred 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: 0.3s AutomataMinimizationTime, 1 MinimizatonAttempts, 334 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...