/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 04:42:21,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:42:21,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:42:21,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-24 04:42:21,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:42:21,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:42:21,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:42:21,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:42:21,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:42:21,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:42:21,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:42:21,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:42:21,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:42:21,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:42:21,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:42:21,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:42:21,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-24 04:42:21,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:42:21,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:42:21,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:42:21,947 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 04:42:21,963 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:42:21,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:42:21,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:42:21,965 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:42:21,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:42:21,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:42:21,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:42:21,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:42:21,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:42:21,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:42:21,967 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:42:21,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:42:21,967 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:42:21,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:42:21,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:42:21,968 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:42:21,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:42:21,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:42:21,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:42:21,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:42:21,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:42:21,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:42:21,969 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:42:21,969 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:42:22,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:42:22,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:42:22,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:42:22,368 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:42:22,369 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:42:22,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label36.c [2021-02-24 04:42:22,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b3ac6f69/801d14c7ac7643d5a0e36dd199f39ad5/FLAG57175d2a9 [2021-02-24 04:42:23,358 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:42:23,359 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label36.c [2021-02-24 04:42:23,380 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b3ac6f69/801d14c7ac7643d5a0e36dd199f39ad5/FLAG57175d2a9 [2021-02-24 04:42:23,525 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b3ac6f69/801d14c7ac7643d5a0e36dd199f39ad5 [2021-02-24 04:42:23,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:42:23,543 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:42:23,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:42:23,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:42:23,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:42:23,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:42:23" (1/1) ... [2021-02-24 04:42:23,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b37ea84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:23, skipping insertion in model container [2021-02-24 04:42:23,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:42:23" (1/1) ... [2021-02-24 04:42:23,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:42:23,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:42:23,805 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label36.c[2027,2040] [2021-02-24 04:42:24,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:42:24,254 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:42:24,292 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label36.c[2027,2040] [2021-02-24 04:42:24,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:42:24,507 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:42:24,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:24 WrapperNode [2021-02-24 04:42:24,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:42:24,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:42:24,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:42:24,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:42:24,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:24" (1/1) ... [2021-02-24 04:42:24,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:24" (1/1) ... [2021-02-24 04:42:24,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:24" (1/1) ... [2021-02-24 04:42:24,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:24" (1/1) ... [2021-02-24 04:42:24,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:24" (1/1) ... [2021-02-24 04:42:24,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:24" (1/1) ... [2021-02-24 04:42:24,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:24" (1/1) ... [2021-02-24 04:42:24,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:42:24,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:42:24,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:42:24,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:42:24,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:42:24,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:42:24,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:42:24,769 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:42:24,769 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-24 04:42:24,769 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:42:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-24 04:42:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:42:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:42:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:42:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:42:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 04:42:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-24 04:42:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:42:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:42:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:42:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:42:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:42:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:42:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:42:26,793 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:42:26,794 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-24 04:42:26,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:42:26 BoogieIcfgContainer [2021-02-24 04:42:26,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:42:26,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:42:26,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:42:26,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:42:26,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:42:23" (1/3) ... [2021-02-24 04:42:26,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8ea5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:42:26, skipping insertion in model container [2021-02-24 04:42:26,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:24" (2/3) ... [2021-02-24 04:42:26,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8ea5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:42:26, skipping insertion in model container [2021-02-24 04:42:26,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:42:26" (3/3) ... [2021-02-24 04:42:26,806 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label36.c [2021-02-24 04:42:26,813 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:42:26,819 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 04:42:26,837 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 04:42:26,861 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:42:26,862 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:42:26,862 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:42:26,862 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:42:26,862 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:42:26,862 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:42:26,862 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:42:26,862 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:42:26,896 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states. [2021-02-24 04:42:26,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-02-24 04:42:26,906 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:42:26,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:42:26,908 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:42:26,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:42:26,914 INFO L82 PathProgramCache]: Analyzing trace with hash 728969183, now seen corresponding path program 1 times [2021-02-24 04:42:26,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:42:26,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1277263355] [2021-02-24 04:42:26,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:42:27,010 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:42:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:42:27,338 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-24 04:42:27,339 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-24 04:42:27,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:27,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:27,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:27,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:27,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:27,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:27,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:42:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:42:27,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:27,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:27,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:27,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:42:27,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:42:27,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1277263355] [2021-02-24 04:42:27,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:42:27,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-24 04:42:27,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744445882] [2021-02-24 04:42:27,486 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-24 04:42:27,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:42:27,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-24 04:42:27,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-24 04:42:27,504 INFO L87 Difference]: Start difference. First operand 822 states. Second operand 5 states. [2021-02-24 04:42:33,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:42:33,384 INFO L93 Difference]: Finished difference Result 2372 states and 3168 transitions. [2021-02-24 04:42:33,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-24 04:42:33,386 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2021-02-24 04:42:33,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:42:33,417 INFO L225 Difference]: With dead ends: 2372 [2021-02-24 04:42:33,418 INFO L226 Difference]: Without dead ends: 1497 [2021-02-24 04:42:33,437 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 [2021-02-24 04:42:33,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2021-02-24 04:42:33,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1163. [2021-02-24 04:42:33,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1163 states. [2021-02-24 04:42:33,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1498 transitions. [2021-02-24 04:42:33,740 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1498 transitions. Word has length 42 [2021-02-24 04:42:33,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:42:33,741 INFO L480 AbstractCegarLoop]: Abstraction has 1163 states and 1498 transitions. [2021-02-24 04:42:33,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-24 04:42:33,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1498 transitions. [2021-02-24 04:42:33,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-02-24 04:42:33,749 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:42:33,749 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:42:33,750 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:42:33,750 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:42:33,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:42:33,751 INFO L82 PathProgramCache]: Analyzing trace with hash 95802964, now seen corresponding path program 1 times [2021-02-24 04:42:33,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:42:33,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005392917] [2021-02-24 04:42:33,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:42:35,491 WARN L202 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 248 DAG size of output: 129 [2021-02-24 04:42:35,516 WARN L141 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-02-24 04:42:35,542 WARN L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-02-24 04:42:35,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:35,551 WARN L141 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-02-24 04:42:35,554 WARN L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-02-24 04:42:35,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:35,567 WARN L141 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-02-24 04:42:35,570 WARN L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-02-24 04:42:35,576 WARN L141 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size [2021-02-24 04:42:35,581 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:42:35,587 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:42:35,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 04:42:35,598 WARN L147 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size 48 [2021-02-24 04:42:35,608 WARN L141 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-02-24 04:42:35,612 WARN L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-02-24 04:42:35,617 WARN L141 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size [2021-02-24 04:42:35,619 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:42:35,621 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:42:35,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 04:42:35,628 WARN L147 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size 48 [2021-02-24 04:42:35,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-24 04:42:35,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-24 04:42:35,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:35,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:35,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:35,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:35,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:35,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:35,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:35,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:35,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:35,659 WARN L141 QuantifierPusher]: treesize reduction 30, result has 9.1 percent of original size [2021-02-24 04:42:35,661 WARN L147 QuantifierPusher]: treesize reduction 30, result has 9.1 percent of original size 3 [2021-02-24 04:42:35,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:35,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:35,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:35,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:35,681 WARN L141 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-02-24 04:42:35,684 WARN L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-02-24 04:42:35,689 WARN L141 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size [2021-02-24 04:42:35,691 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:42:35,693 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:42:35,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 04:42:35,703 WARN L147 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size 48 [2021-02-24 04:42:35,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:35,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:35,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:35,712 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:35,724 WARN L141 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-02-24 04:42:35,727 WARN L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-02-24 04:42:35,731 WARN L141 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size [2021-02-24 04:42:35,733 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:42:35,735 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:42:35,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:35,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 04:42:35,744 WARN L147 QuantifierPusher]: treesize reduction 12, result has 80.0 percent of original size 48 [2021-02-24 04:42:35,745 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:42:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 04:42:35,782 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 04:42:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 04:42:35,813 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 04:42:35,860 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-24 04:42:35,861 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-24 04:42:35,862 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-24 04:42:35,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 04:42:35 BoogieIcfgContainer [2021-02-24 04:42:35,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 04:42:35,896 INFO L168 Benchmark]: Toolchain (without parser) took 12365.24 ms. Allocated memory was 151.0 MB in the beginning and 287.3 MB in the end (delta: 136.3 MB). Free memory was 123.3 MB in the beginning and 102.4 MB in the end (delta: 20.8 MB). Peak memory consumption was 158.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:42:35,897 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 124.2 MB in the end (delta: 436.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:42:35,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 963.41 ms. Allocated memory is still 151.0 MB. Free memory was 122.2 MB in the beginning and 111.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 31.3 MB. Max. memory is 8.0 GB. [2021-02-24 04:42:35,898 INFO L168 Benchmark]: Boogie Preprocessor took 142.87 ms. Allocated memory is still 151.0 MB. Free memory was 111.8 MB in the beginning and 103.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-02-24 04:42:35,899 INFO L168 Benchmark]: RCFGBuilder took 2144.88 ms. Allocated memory was 151.0 MB in the beginning and 189.8 MB in the end (delta: 38.8 MB). Free memory was 103.8 MB in the beginning and 134.5 MB in the end (delta: -30.7 MB). Peak memory consumption was 75.0 MB. Max. memory is 8.0 GB. [2021-02-24 04:42:35,900 INFO L168 Benchmark]: TraceAbstraction took 9095.64 ms. Allocated memory was 189.8 MB in the beginning and 287.3 MB in the end (delta: 97.5 MB). Free memory was 134.0 MB in the beginning and 102.4 MB in the end (delta: 31.6 MB). Peak memory consumption was 128.6 MB. Max. memory is 8.0 GB. [2021-02-24 04:42:35,904 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 124.2 MB in the end (delta: 436.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 963.41 ms. Allocated memory is still 151.0 MB. Free memory was 122.2 MB in the beginning and 111.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 31.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 142.87 ms. Allocated memory is still 151.0 MB. Free memory was 111.8 MB in the beginning and 103.8 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2144.88 ms. Allocated memory was 151.0 MB in the beginning and 189.8 MB in the end (delta: 38.8 MB). Free memory was 103.8 MB in the beginning and 134.5 MB in the end (delta: -30.7 MB). Peak memory consumption was 75.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9095.64 ms. Allocated memory was 189.8 MB in the beginning and 287.3 MB in the end (delta: 97.5 MB). Free memory was 134.0 MB in the beginning and 102.4 MB in the end (delta: 31.6 MB). Peak memory consumption was 128.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 55]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int inputA = 1; [L18] int inputD = 4; [L19] int inputB = 2; [L20] int inputE = 5; [L21] int inputF = 6; [L22] int inputC = 3; [L25] int a29 = 130; [L26] int a4 = 1; [L27] int a23 = 312; [L28] int a8 = 15; [L29] int a25 = 10; [L30] int a3 = 1; [L1041] int output = -1; [L1044] COND TRUE 1 [L1047] int input; [L1048] input = __VERIFIER_nondet_int() [L1049] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1052] CALL, EXPR calculate_output(input) [L33] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L36] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L39] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L42] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L45] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L48] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L51] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L54] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L57] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L60] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L63] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L66] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L69] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L72] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L75] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L78] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L81] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L84] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L87] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L90] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L93] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L96] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L99] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L102] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L105] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L108] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L111] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L114] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L117] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L120] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L123] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L126] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L129] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L132] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L135] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L138] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L141] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L144] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L147] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L150] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L153] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L156] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L159] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L162] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L165] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L168] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L171] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L174] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L177] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L180] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L183] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L186] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L189] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L192] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L195] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L198] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L201] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L204] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L210] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L213] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L217] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L224] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L231] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L237] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L243] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L250] COND TRUE ((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1)) [L251] a29 = ((((a29 / 5) % 15)+ 260) + 1) [L252] a23 = (((((a23 / 5) % 90)- -47) - -159208) - 159206) [L253] a4 = 1 [L254] a25 = 11 [L256] return -1; [L1052] RET, EXPR calculate_output(input) [L1052] output = calculate_output(input) [L1044] COND TRUE 1 [L1047] int input; [L1048] input = __VERIFIER_nondet_int() [L1049] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1052] CALL calculate_output(input) [L33] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L36] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L39] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L42] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L45] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L48] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L51] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L54] COND TRUE ((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)) [L55] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 825 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.0s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 461 SDtfs, 2573 SDslu, 271 SDs, 0 SdLazy, 1887 SolverSat, 874 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1163occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 1 MinimizatonAttempts, 334 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...