/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_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:16:20,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:16:20,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:16:20,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 02:16:20,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:16:20,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:16:20,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:16:20,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:16:20,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:16:20,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:16:20,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:16:20,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:16:20,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:16:20,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:16:20,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:16:20,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:16:20,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 02:16:20,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:16:20,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:16:20,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:16:20,326 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 02:16:20,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:16:20,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:16:20,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:16:20,358 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:16:20,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:16:20,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:16:20,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:16:20,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:16:20,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:16:20,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:16:20,359 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:16:20,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:16:20,359 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:16:20,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:16:20,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:16:20,362 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:16:20,362 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:16:20,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:16:20,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:16:20,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:16:20,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:16:20,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:16:20,363 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:16:20,363 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:16:20,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:16:20,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:16:20,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:16:20,820 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:16:20,821 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:16:20,823 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2021-02-22 02:16:20,918 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d70254f27/6f3cff8dc51342d6813fc493efcc81ca/FLAG5bc360d63 [2021-02-22 02:16:21,744 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:16:21,745 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2021-02-22 02:16:21,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d70254f27/6f3cff8dc51342d6813fc493efcc81ca/FLAG5bc360d63 [2021-02-22 02:16:21,954 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d70254f27/6f3cff8dc51342d6813fc493efcc81ca [2021-02-22 02:16:21,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:16:21,974 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:16:21,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:16:21,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:16:21,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:16:21,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:16:21" (1/1) ... [2021-02-22 02:16:21,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d09fd67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:21, skipping insertion in model container [2021-02-22 02:16:21,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:16:21" (1/1) ... [2021-02-22 02:16:21,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:16:22,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:16:22,316 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_label38.c[5189,5202] [2021-02-22 02:16:22,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:16:22,573 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:16:22,630 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_label38.c[5189,5202] [2021-02-22 02:16:22,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:16:22,753 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:16:22,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:22 WrapperNode [2021-02-22 02:16:22,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:16:22,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:16:22,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:16:22,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:16:22,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:22" (1/1) ... [2021-02-22 02:16:22,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:22" (1/1) ... [2021-02-22 02:16:22,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:22" (1/1) ... [2021-02-22 02:16:22,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:22" (1/1) ... [2021-02-22 02:16:22,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:22" (1/1) ... [2021-02-22 02:16:22,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:22" (1/1) ... [2021-02-22 02:16:22,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:22" (1/1) ... [2021-02-22 02:16:22,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:16:22,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:16:22,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:16:22,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:16:22,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:22" (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 02:16:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:16:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:16:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:16:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-22 02:16:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:16:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-22 02:16:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:16:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:16:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:16:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:16:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 02:16:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-22 02:16:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:16:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:16:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:16:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:16:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:16:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:16:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:16:24,745 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:16:24,745 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-22 02:16:24,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:16:24 BoogieIcfgContainer [2021-02-22 02:16:24,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:16:24,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:16:24,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:16:24,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:16:24,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:16:21" (1/3) ... [2021-02-22 02:16:24,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545b8c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:16:24, skipping insertion in model container [2021-02-22 02:16:24,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:16:22" (2/3) ... [2021-02-22 02:16:24,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545b8c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:16:24, skipping insertion in model container [2021-02-22 02:16:24,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:16:24" (3/3) ... [2021-02-22 02:16:24,757 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label38.c [2021-02-22 02:16:24,764 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:16:24,770 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 02:16:24,789 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 02:16:24,812 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:16:24,812 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:16:24,813 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:16:24,813 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:16:24,813 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:16:24,813 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:16:24,813 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:16:24,813 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:16:24,846 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states. [2021-02-22 02:16:24,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-02-22 02:16:24,860 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:16:24,861 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, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:16:24,861 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:16:24,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:16:24,868 INFO L82 PathProgramCache]: Analyzing trace with hash -671560155, now seen corresponding path program 1 times [2021-02-22 02:16:24,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:16:24,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [79113867] [2021-02-22 02:16:24,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:16:24,945 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:16:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:16:25,257 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-22 02:16:25,259 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-22 02:16:25,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:25,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:25,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:25,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:25,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:25,278 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:25,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:16:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:16:25,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:25,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:25,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:25,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:16:25,434 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 02:16:25,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [79113867] [2021-02-22 02:16:25,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:16:25,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-22 02:16:25,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918145158] [2021-02-22 02:16:25,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-22 02:16:25,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:16:25,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-22 02:16:25,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-22 02:16:25,462 INFO L87 Difference]: Start difference. First operand 687 states. Second operand 5 states. [2021-02-22 02:16:29,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:16:29,985 INFO L93 Difference]: Finished difference Result 1982 states and 2708 transitions. [2021-02-22 02:16:29,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-22 02:16:29,988 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2021-02-22 02:16:29,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:16:30,017 INFO L225 Difference]: With dead ends: 1982 [2021-02-22 02:16:30,017 INFO L226 Difference]: Without dead ends: 1240 [2021-02-22 02:16:30,036 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 02:16:30,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2021-02-22 02:16:30,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1005. [2021-02-22 02:16:30,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1005 states. [2021-02-22 02:16:30,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1312 transitions. [2021-02-22 02:16:30,288 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1312 transitions. Word has length 77 [2021-02-22 02:16:30,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:16:30,289 INFO L480 AbstractCegarLoop]: Abstraction has 1005 states and 1312 transitions. [2021-02-22 02:16:30,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-22 02:16:30,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1312 transitions. [2021-02-22 02:16:30,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-02-22 02:16:30,300 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:16:30,301 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, 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] [2021-02-22 02:16:30,301 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 02:16:30,301 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:16:30,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:16:30,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1407342382, now seen corresponding path program 1 times [2021-02-22 02:16:30,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:16:30,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1355477947] [2021-02-22 02:16:30,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:16:31,028 WARN L202 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 77 [2021-02-22 02:16:31,062 WARN L141 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-02-22 02:16:31,089 WARN L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-02-22 02:16:31,096 WARN L141 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size [2021-02-22 02:16:31,101 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:16:31,106 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:16:31,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 02:16:31,115 WARN L147 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size 48 [2021-02-22 02:16:31,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:31,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:31,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:31,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:31,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:31,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:31,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:31,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:31,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-22 02:16:31,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-22 02:16:31,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:31,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:31,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:31,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:31,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:31,150 WARN L141 QuantifierPusher]: treesize reduction 30, result has 9.1 percent of original size [2021-02-22 02:16:31,150 WARN L147 QuantifierPusher]: treesize reduction 30, result has 9.1 percent of original size 3 [2021-02-22 02:16:31,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:31,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:31,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:31,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:31,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:31,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:16:31,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:31,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:16:31,175 WARN L141 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-02-22 02:16:31,177 WARN L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-02-22 02:16:31,181 WARN L141 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size [2021-02-22 02:16:31,183 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:16:31,185 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:16:31,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:16:31,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 02:16:31,191 WARN L147 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size 48 [2021-02-22 02:16:31,192 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 02:16:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:16:31,236 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:16:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:16:31,304 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:16:31,380 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-22 02:16:31,381 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-22 02:16:31,386 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-22 02:16:31,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 02:16:31 BoogieIcfgContainer [2021-02-22 02:16:31,442 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 02:16:31,443 INFO L168 Benchmark]: Toolchain (without parser) took 9481.19 ms. Allocated memory was 151.0 MB in the beginning and 287.3 MB in the end (delta: 136.3 MB). Free memory was 106.3 MB in the beginning and 163.0 MB in the end (delta: -56.7 MB). Peak memory consumption was 80.3 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:31,445 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 124.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:16:31,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 775.79 ms. Allocated memory is still 151.0 MB. Free memory was 105.2 MB in the beginning and 105.5 MB in the end (delta: -230.1 kB). Peak memory consumption was 7.4 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:31,454 INFO L168 Benchmark]: Boogie Preprocessor took 184.42 ms. Allocated memory is still 151.0 MB. Free memory was 105.5 MB in the beginning and 127.3 MB in the end (delta: -21.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:31,460 INFO L168 Benchmark]: RCFGBuilder took 1807.45 ms. Allocated memory was 151.0 MB in the beginning and 191.9 MB in the end (delta: 40.9 MB). Free memory was 127.3 MB in the beginning and 156.1 MB in the end (delta: -28.9 MB). Peak memory consumption was 93.8 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:31,461 INFO L168 Benchmark]: TraceAbstraction took 6691.86 ms. Allocated memory was 191.9 MB in the beginning and 287.3 MB in the end (delta: 95.4 MB). Free memory was 155.6 MB in the beginning and 163.0 MB in the end (delta: -7.5 MB). Peak memory consumption was 87.4 MB. Max. memory is 8.0 GB. [2021-02-22 02:16:31,469 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 124.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 775.79 ms. Allocated memory is still 151.0 MB. Free memory was 105.2 MB in the beginning and 105.5 MB in the end (delta: -230.1 kB). Peak memory consumption was 7.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 184.42 ms. Allocated memory is still 151.0 MB. Free memory was 105.5 MB in the beginning and 127.3 MB in the end (delta: -21.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1807.45 ms. Allocated memory was 151.0 MB in the beginning and 191.9 MB in the end (delta: 40.9 MB). Free memory was 127.3 MB in the beginning and 156.1 MB in the end (delta: -28.9 MB). Peak memory consumption was 93.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6691.86 ms. Allocated memory was 191.9 MB in the beginning and 287.3 MB in the end (delta: 95.4 MB). Free memory was 155.6 MB in the beginning and 163.0 MB in the end (delta: -7.5 MB). Peak memory consumption was 87.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 164]: 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 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 TRUE ((( 80 < a12 && (a24==1)) && (a15==6)) && (a21==10)) [L164] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 690 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.5s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 376 SDtfs, 2218 SDslu, 172 SDs, 0 SdLazy, 1560 SolverSat, 772 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s 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=1005occurred 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, 235 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...