/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/Problem14_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:16:13,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:16:13,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:16:13,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 02:16:13,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:16:13,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:16:13,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:16:13,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:16:13,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:16:13,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:16:13,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:16:13,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:16:14,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:16:14,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:16:14,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:16:14,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:16:14,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 02:16:14,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:16:14,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:16:14,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:16:14,036 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 02:16:14,059 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:16:14,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:16:14,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:16:14,065 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:16:14,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:16:14,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:16:14,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:16:14,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:16:14,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:16:14,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:16:14,067 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:16:14,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:16:14,068 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:16:14,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:16:14,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:16:14,070 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:16:14,070 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:16:14,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:16:14,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:16:14,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:16:14,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:16:14,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:16:14,071 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:16:14,071 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:16:14,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:16:14,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:16:14,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:16:14,542 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:16:14,543 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:16:14,544 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2021-02-22 02:16:14,617 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5845d09c2/e0f20604a4be41cfae492f1806dbde43/FLAGbf6ebb840 [2021-02-22 02:16:15,361 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:16:15,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label30.c [2021-02-22 02:16:15,391 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5845d09c2/e0f20604a4be41cfae492f1806dbde43/FLAGbf6ebb840 [2021-02-22 02:16:15,587 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5845d09c2/e0f20604a4be41cfae492f1806dbde43 [2021-02-22 02:16:15,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:16:15,605 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:16:15,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:16:15,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:16:15,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:16:15,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:16:15" (1/1) ... [2021-02-22 02:16:15,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7775c20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:15, skipping insertion in model container [2021-02-22 02:16:15,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:16:15" (1/1) ... [2021-02-22 02:16:15,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:16:15,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:16:15,903 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/Problem14_label30.c[4533,4546] [2021-02-22 02:16:16,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:16:16,164 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:16:16,215 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/Problem14_label30.c[4533,4546] [2021-02-22 02:16:16,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:16:16,388 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:16:16,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:16 WrapperNode [2021-02-22 02:16:16,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:16:16,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:16:16,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:16:16,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:16:16,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:16" (1/1) ... [2021-02-22 02:16:16,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:16" (1/1) ... [2021-02-22 02:16:16,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:16" (1/1) ... [2021-02-22 02:16:16,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:16" (1/1) ... [2021-02-22 02:16:16,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:16" (1/1) ... [2021-02-22 02:16:16,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:16" (1/1) ... [2021-02-22 02:16:16,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:16" (1/1) ... [2021-02-22 02:16:16,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:16:16,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:16:16,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:16:16,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:16:16,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:16" (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 02:16:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:16:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:16:16,666 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:16:16,666 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-22 02:16:16,666 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:16:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-22 02:16:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:16:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:16:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:16:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:16:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 02:16:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-22 02:16:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:16:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:16:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:16:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:16:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:16:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:16:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:16:18,367 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:16:18,367 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-22 02:16:18,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:16:18 BoogieIcfgContainer [2021-02-22 02:16:18,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:16:18,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:16:18,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:16:18,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:16:18,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:16:15" (1/3) ... [2021-02-22 02:16:18,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@263cfc54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:16:18, skipping insertion in model container [2021-02-22 02:16:18,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:16" (2/3) ... [2021-02-22 02:16:18,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@263cfc54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:16:18, skipping insertion in model container [2021-02-22 02:16:18,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:16:18" (3/3) ... [2021-02-22 02:16:18,383 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label30.c [2021-02-22 02:16:18,391 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:16:18,397 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 02:16:18,419 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 02:16:18,448 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:16:18,448 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:16:18,448 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:16:18,448 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:16:18,449 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:16:18,449 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:16:18,449 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:16:18,449 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:16:18,494 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states. [2021-02-22 02:16:18,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-02-22 02:16:18,518 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:16:18,519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:16:18,519 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:16:18,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:16:18,532 INFO L82 PathProgramCache]: Analyzing trace with hash 295296054, now seen corresponding path program 1 times [2021-02-22 02:16:18,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:16:18,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [122793794] [2021-02-22 02:16:18,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:16:18,626 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:16:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:16:18,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:18,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:16:18,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:18,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:16:18,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:18,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:16:18,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:18,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:18,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:16:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:16:19,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:19,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:19,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:19,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:16:19,038 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 02:16:19,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [122793794] [2021-02-22 02:16:19,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:16:19,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-22 02:16:19,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136077387] [2021-02-22 02:16:19,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-22 02:16:19,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:16:19,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-22 02:16:19,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-22 02:16:19,067 INFO L87 Difference]: Start difference. First operand 687 states. Second operand 4 states. [2021-02-22 02:16:22,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:16:22,588 INFO L93 Difference]: Finished difference Result 1672 states and 2214 transitions. [2021-02-22 02:16:22,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-22 02:16:22,591 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 70 [2021-02-22 02:16:22,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:16:22,615 INFO L225 Difference]: With dead ends: 1672 [2021-02-22 02:16:22,616 INFO L226 Difference]: Without dead ends: 919 [2021-02-22 02:16:22,633 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 [2021-02-22 02:16:22,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2021-02-22 02:16:22,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 899. [2021-02-22 02:16:22,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 899 states. [2021-02-22 02:16:22,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1051 transitions. [2021-02-22 02:16:22,869 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1051 transitions. Word has length 70 [2021-02-22 02:16:22,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:16:22,869 INFO L480 AbstractCegarLoop]: Abstraction has 899 states and 1051 transitions. [2021-02-22 02:16:22,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-22 02:16:22,870 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1051 transitions. [2021-02-22 02:16:22,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-02-22 02:16:22,878 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:16:22,878 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, 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] [2021-02-22 02:16:22,879 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 02:16:22,879 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:16:22,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:16:22,880 INFO L82 PathProgramCache]: Analyzing trace with hash -424308149, now seen corresponding path program 1 times [2021-02-22 02:16:22,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:16:22,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201511833] [2021-02-22 02:16:22,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:16:23,700 WARN L202 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 77 [2021-02-22 02:16:23,740 WARN L141 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-02-22 02:16:23,770 WARN L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-02-22 02:16:23,783 WARN L141 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size [2021-02-22 02:16:23,789 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:16:23,795 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:16:23,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 02:16:23,804 WARN L147 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size 48 [2021-02-22 02:16:23,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:23,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:23,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:23,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:23,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:23,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:23,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:23,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:23,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-22 02:16:23,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-22 02:16:23,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:23,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:23,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:23,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:23,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:23,843 WARN L141 QuantifierPusher]: treesize reduction 30, result has 9.1 percent of original size [2021-02-22 02:16:23,844 WARN L147 QuantifierPusher]: treesize reduction 30, result has 9.1 percent of original size 3 [2021-02-22 02:16:23,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:23,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:23,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:23,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:23,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:23,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:23,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:23,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:23,872 WARN L141 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-02-22 02:16:23,875 WARN L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-02-22 02:16:23,880 WARN L141 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size [2021-02-22 02:16:23,882 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:16:23,884 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:16:23,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:23,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 02:16:23,891 WARN L147 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size 48 [2021-02-22 02:16:23,892 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 02:16:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:16:23,930 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:16:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:16:23,961 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:16:24,015 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-22 02:16:24,016 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-22 02:16:24,018 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-22 02:16:24,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 02:16:24 BoogieIcfgContainer [2021-02-22 02:16:24,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 02:16:24,069 INFO L168 Benchmark]: Toolchain (without parser) took 8475.68 ms. Allocated memory was 151.0 MB in the beginning and 234.9 MB in the end (delta: 83.9 MB). Free memory was 125.2 MB in the beginning and 134.1 MB in the end (delta: -8.9 MB). Peak memory consumption was 75.7 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:24,075 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 125.2 MB in the end (delta: 120.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:16:24,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 781.70 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 121.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:24,083 INFO L168 Benchmark]: Boogie Preprocessor took 171.83 ms. Allocated memory is still 151.0 MB. Free memory was 121.9 MB in the beginning and 116.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:24,084 INFO L168 Benchmark]: RCFGBuilder took 1806.81 ms. Allocated memory was 151.0 MB in the beginning and 195.0 MB in the end (delta: 44.0 MB). Free memory was 116.2 MB in the beginning and 129.9 MB in the end (delta: -13.8 MB). Peak memory consumption was 62.3 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:24,085 INFO L168 Benchmark]: TraceAbstraction took 5695.18 ms. Allocated memory was 195.0 MB in the beginning and 234.9 MB in the end (delta: 39.8 MB). Free memory was 129.4 MB in the beginning and 134.1 MB in the end (delta: -4.7 MB). Peak memory consumption was 35.1 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:24,092 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 125.2 MB in the end (delta: 120.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 781.70 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 121.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 171.83 ms. Allocated memory is still 151.0 MB. Free memory was 121.9 MB in the beginning and 116.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1806.81 ms. Allocated memory was 151.0 MB in the beginning and 195.0 MB in the end (delta: 44.0 MB). Free memory was 116.2 MB in the beginning and 129.9 MB in the end (delta: -13.8 MB). Peak memory consumption was 62.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5695.18 ms. Allocated memory was 195.0 MB in the beginning and 234.9 MB in the end (delta: 39.8 MB). Free memory was 129.4 MB in the beginning and 134.1 MB in the end (delta: -4.7 MB). Peak memory consumption was 35.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 143]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int inputD = 4; [L18] int inputB = 2; [L19] int inputC = 3; [L20] int inputF = 6; [L21] int inputE = 5; [L22] int inputA = 1; [L25] int a21 = 7; [L26] int a15 = 8; [L27] int a12 = -49; [L28] int a24 = 1; [L887] int output = -1; [L890] COND TRUE 1 [L893] int input; [L894] input = __VERIFIER_nondet_int() [L895] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L898] CALL, EXPR calculate_output(input) [L31] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==7)) && (a21==6))) [L34] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==7)) && (a21==8))) [L37] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==5)) && (a21==9))) [L40] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==5)) && (a21==9))) [L43] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==6)) && (a21==10))) [L46] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==7)) && (a21==6))) [L49] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==5)) && (a21==10))) [L52] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==6)) && (a21==9))) [L55] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==7)) && (a21==10))) [L58] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==7)) && (a21==10))) [L61] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==6)) && (a21==6))) [L64] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==7)) && (a21==8))) [L67] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==6)) && (a21==9))) [L70] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==7)) && (a21==7))) [L73] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==5)) && (a21==10))) [L76] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==5)) && (a21==8))) [L79] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==7)) && (a21==9))) [L82] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==6)) && (a21==8))) [L85] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==5)) && (a21==10))) [L88] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==7)) && (a21==6))) [L91] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==5)) && (a21==6))) [L94] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==6)) && (a21==6))) [L97] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==5)) && (a21==7))) [L100] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==6)) && (a21==9))) [L103] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==7)) && (a21==9))) [L106] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==5)) && (a21==6))) [L109] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==6)) && (a21==10))) [L112] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==7)) && (a21==9))) [L115] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==6)) && (a21==8))) [L118] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==7)) && (a21==8))) [L121] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==7)) && (a21==7))) [L124] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==7)) && (a21==7))) [L127] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==7)) && (a21==10))) [L130] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==7)) && (a21==8))) [L133] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==8)) && (a21==6))) [L136] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==6)) && (a21==6))) [L139] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==7)) && (a21==9))) [L142] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==6)) && (a21==7))) [L145] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==6)) && (a21==7))) [L148] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==5)) && (a21==6))) [L151] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==5)) && (a21==8))) [L154] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==5)) && (a21==9))) [L157] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==6)) && (a21==8))) [L160] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==7)) && (a21==10))) [L163] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==6)) && (a21==10))) [L166] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==5)) && (a21==10))) [L169] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==5)) && (a21==6))) [L172] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==5)) && (a21==7))) [L175] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==5)) && (a21==8))) [L178] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==6)) && (a21==9))) [L181] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==5)) && (a21==9))) [L184] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==7)) && (a21==7))) [L187] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==6)) && (a21==10))) [L190] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==7)) && (a21==6))) [L193] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==6)) && (a21==7))) [L196] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==5)) && (a21==8))) [L199] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==6)) && (a21==6))) [L202] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==5)) && (a21==7))) [L205] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==6)) && (a21==7))) [L208] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==5)) && (a21==7))) [L211] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==6)) && (a21==8))) [L215] COND FALSE !((((a24==1) && ( ((11 < a12) && (80 >= a12)) && ((input == 5) && (a15==8)))) && (a21==9))) [L221] COND FALSE !((((a15==9) && ((((a21==9) || ((a21==7) || (a21==8))) && (input == 5)) && a12 <= -43 )) && (a24==1))) [L227] COND FALSE !(((a15==9) && (( ((-43 < a12) && (11 >= a12)) && ((a24==1) && (input == 2))) && (a21==8)))) [L233] COND FALSE !(((a24==1) && ((a15==8) && ( ((11 < a12) && (80 >= a12)) && ((input == 1) && ((a21==7) || (a21==8))))))) [L239] COND FALSE !((((((a21==10) && ( 80 < a12 && (a15==8))) || (((a15==9) && a12 <= -43 ) && (a21==6))) && (input == 2)) && (a24==1))) [L245] COND FALSE !(((a24==1) && ((a15==9) && ((((a21==6) && 80 < a12 ) || (((a21==9) && ((11 < a12) && (80 >= a12)) ) || ( ((11 < a12) && (80 >= a12)) && (a21==10)))) && (input == 5))))) [L251] COND FALSE !((( a12 <= -43 && ((((a21==9) || ((a21==7) || (a21==8))) && (input == 4)) && (a24==1))) && (a15==9))) [L257] COND FALSE !((((((input == 2) && (a24==1)) && ((11 < a12) && (80 >= a12)) ) && (a21==9)) && (a15==8))) [L262] COND FALSE !(((((( ((-43 < a12) && (11 >= a12)) && (a21==10)) || ( ((11 < a12) && (80 >= a12)) && (a21==6))) && (input == 2)) && (a24==1)) && (a15==8))) [L268] COND FALSE !(((a15==9) && (((input == 1) && ((( a12 <= -43 && (a21==10)) || ((a21==6) && ((-43 < a12) && (11 >= a12)) )) || ( ((-43 < a12) && (11 >= a12)) && (a21==7)))) && (a24==1)))) [L274] COND FALSE !((((a24==1) && (((input == 6) && ((a21==7) || (a21==8))) && 80 < a12 )) && (a15==9))) [L279] COND FALSE !(( ((-43 < a12) && (11 >= a12)) && ((a15==9) && ((a24==1) && (((a21==9) || (a21==10)) && (input == 2)))))) [L285] COND FALSE !((((((input == 5) && (a15==8)) && ((-43 < a12) && (11 >= a12)) ) && (a21==9)) && (a24==1))) [L290] COND FALSE !((( 80 < a12 && ((a15==8) && (((a21==8) || (a21==9)) && (input == 3)))) && (a24==1))) [L296] COND TRUE ((input == 4) && ((((a15==9) && ((a24==1) && 80 < a12 )) && (a21==10)) || ((a21==6) && ((a15==5) && ((a24==2) && a12 <= -43 ))))) [L297] a12 = ((((a12 / 5) % 26)+ -16) + 1) [L298] a24 = 1 [L299] a15 = 6 [L300] a21 = 10 [L302] return -1; [L898] RET, EXPR calculate_output(input) [L898] output = calculate_output(input) [L890] COND TRUE 1 [L893] int input; [L894] input = __VERIFIER_nondet_int() [L895] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L898] CALL calculate_output(input) [L31] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==7)) && (a21==6))) [L34] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==7)) && (a21==8))) [L37] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==5)) && (a21==9))) [L40] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==5)) && (a21==9))) [L43] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==6)) && (a21==10))) [L46] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==7)) && (a21==6))) [L49] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==5)) && (a21==10))) [L52] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==6)) && (a21==9))) [L55] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==7)) && (a21==10))) [L58] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==7)) && (a21==10))) [L61] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==6)) && (a21==6))) [L64] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==7)) && (a21==8))) [L67] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==6)) && (a21==9))) [L70] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==7)) && (a21==7))) [L73] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==5)) && (a21==10))) [L76] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==5)) && (a21==8))) [L79] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==7)) && (a21==9))) [L82] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==6)) && (a21==8))) [L85] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==5)) && (a21==10))) [L88] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==7)) && (a21==6))) [L91] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==5)) && (a21==6))) [L94] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==6)) && (a21==6))) [L97] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==5)) && (a21==7))) [L100] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==6)) && (a21==9))) [L103] COND FALSE !(((( 80 < a12 && (a24==1)) && (a15==7)) && (a21==9))) [L106] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==5)) && (a21==6))) [L109] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==6)) && (a21==10))) [L112] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==7)) && (a21==9))) [L115] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==6)) && (a21==8))) [L118] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==7)) && (a21==8))) [L121] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==7)) && (a21==7))) [L124] COND FALSE !(((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==7)) && (a21==7))) [L127] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==7)) && (a21==10))) [L130] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==7)) && (a21==8))) [L133] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==8)) && (a21==6))) [L136] COND FALSE !(((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==6)) && (a21==6))) [L139] COND FALSE !(((( a12 <= -43 && (a24==1)) && (a15==7)) && (a21==9))) [L142] COND TRUE ((( ((11 < a12) && (80 >= a12)) && (a24==1)) && (a15==6)) && (a21==7)) [L143] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 690 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.5s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 374 SDtfs, 904 SDslu, 308 SDs, 0 SdLazy, 1339 SolverSat, 147 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s 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=899occurred 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: 0.2s AutomataMinimizationTime, 1 MinimizatonAttempts, 20 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...