/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_label24.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 04:42:31,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:42:31,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:42:31,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-24 04:42:31,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:42:31,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:42:31,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:42:31,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:42:31,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:42:31,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:42:31,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:42:31,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:42:31,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:42:31,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:42:31,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:42:31,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:42:31,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-24 04:42:31,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:42:31,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:42:31,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:42:31,912 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 04:42:31,924 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:42:31,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:42:31,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:42:31,926 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:42:31,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:42:31,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:42:31,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:42:31,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:42:31,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:42:31,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:42:31,928 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:42:31,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:42:31,929 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:42:31,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:42:31,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:42:31,930 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:42:31,930 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:42:31,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:42:31,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:42:31,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:42:31,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:42:31,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:42:31,931 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:42:31,931 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:42:32,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:42:32,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:42:32,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:42:32,343 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:42:32,344 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:42:32,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label24.c [2021-02-24 04:42:32,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b49063f6/8279ccdef1084c3294fd7360eaab1f51/FLAGb03bc413b [2021-02-24 04:42:33,212 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:42:33,213 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label24.c [2021-02-24 04:42:33,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b49063f6/8279ccdef1084c3294fd7360eaab1f51/FLAGb03bc413b [2021-02-24 04:42:33,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b49063f6/8279ccdef1084c3294fd7360eaab1f51 [2021-02-24 04:42:33,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:42:33,401 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:42:33,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:42:33,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:42:33,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:42:33,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:42:33" (1/1) ... [2021-02-24 04:42:33,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d2572c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:33, skipping insertion in model container [2021-02-24 04:42:33,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:42:33" (1/1) ... [2021-02-24 04:42:33,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:42:33,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:42:33,663 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_label24.c[4340,4353] [2021-02-24 04:42:33,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:42:33,976 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:42:34,012 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_label24.c[4340,4353] [2021-02-24 04:42:34,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:42:34,262 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:42:34,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:34 WrapperNode [2021-02-24 04:42:34,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:42:34,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:42:34,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:42:34,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:42:34,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:34" (1/1) ... [2021-02-24 04:42:34,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:34" (1/1) ... [2021-02-24 04:42:34,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:34" (1/1) ... [2021-02-24 04:42:34,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:34" (1/1) ... [2021-02-24 04:42:34,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:34" (1/1) ... [2021-02-24 04:42:34,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:34" (1/1) ... [2021-02-24 04:42:34,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:34" (1/1) ... [2021-02-24 04:42:34,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:42:34,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:42:34,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:42:34,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:42:34,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:34" (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 04:42:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:42:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:42:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:42:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-24 04:42:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:42:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-24 04:42:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:42:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:42:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:42:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:42:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 04:42:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-24 04:42:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:42:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:42:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:42:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:42:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:42:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:42:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:42:36,081 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:42:36,081 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-24 04:42:36,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:42:36 BoogieIcfgContainer [2021-02-24 04:42:36,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:42:36,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:42:36,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:42:36,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:42:36,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:42:33" (1/3) ... [2021-02-24 04:42:36,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a9329a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:42:36, skipping insertion in model container [2021-02-24 04:42:36,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:34" (2/3) ... [2021-02-24 04:42:36,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a9329a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:42:36, skipping insertion in model container [2021-02-24 04:42:36,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:42:36" (3/3) ... [2021-02-24 04:42:36,093 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label24.c [2021-02-24 04:42:36,100 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:42:36,105 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 04:42:36,126 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 04:42:36,151 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:42:36,151 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:42:36,151 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:42:36,151 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:42:36,151 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:42:36,152 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:42:36,152 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:42:36,152 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:42:36,181 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states. [2021-02-24 04:42:36,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-02-24 04:42:36,195 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:42:36,196 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] [2021-02-24 04:42:36,196 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:42:36,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:42:36,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1077400910, now seen corresponding path program 1 times [2021-02-24 04:42:36,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:42:36,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [316813126] [2021-02-24 04:42:36,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:42:36,294 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:42:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:42:36,636 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-24 04:42:36,638 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-24 04:42:36,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:36,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:36,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:36,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:36,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:36,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:36,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:42:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:42:36,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:36,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:36,784 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:36,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 04:42:36,812 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 04:42:36,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [316813126] [2021-02-24 04:42:36,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:42:36,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-24 04:42:36,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821503101] [2021-02-24 04:42:36,825 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-24 04:42:36,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:42:36,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-24 04:42:36,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-24 04:42:36,848 INFO L87 Difference]: Start difference. First operand 687 states. Second operand 5 states. [2021-02-24 04:42:41,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:42:41,038 INFO L93 Difference]: Finished difference Result 1775 states and 2502 transitions. [2021-02-24 04:42:41,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-24 04:42:41,041 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2021-02-24 04:42:41,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:42:41,066 INFO L225 Difference]: With dead ends: 1775 [2021-02-24 04:42:41,066 INFO L226 Difference]: Without dead ends: 1033 [2021-02-24 04:42:41,081 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 04:42:41,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2021-02-24 04:42:41,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1003. [2021-02-24 04:42:41,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1003 states. [2021-02-24 04:42:41,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1351 transitions. [2021-02-24 04:42:41,357 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1351 transitions. Word has length 68 [2021-02-24 04:42:41,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:42:41,358 INFO L480 AbstractCegarLoop]: Abstraction has 1003 states and 1351 transitions. [2021-02-24 04:42:41,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-24 04:42:41,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1351 transitions. [2021-02-24 04:42:41,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-02-24 04:42:41,368 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:42:41,369 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:42:41,369 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:42:41,369 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:42:41,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:42:41,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1480357857, now seen corresponding path program 1 times [2021-02-24 04:42:41,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:42:41,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1803049970] [2021-02-24 04:42:41,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:42:41,584 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 44 [2021-02-24 04:42:41,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,614 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:41,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:41,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:41,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:41,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-24 04:42:41,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-24 04:42:41,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:41,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:41,665 WARN L141 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-02-24 04:42:41,687 WARN L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-02-24 04:42:41,699 WARN L141 QuantifierPusher]: treesize reduction 18, result has 64.7 percent of original size [2021-02-24 04:42:41,704 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:42:41,711 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:42:41,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 04:42:41,722 WARN L147 QuantifierPusher]: treesize reduction 18, result has 64.7 percent of original size 33 [2021-02-24 04:42:41,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:41,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:41,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:41,731 WARN L141 QuantifierPusher]: treesize reduction 30, result has 9.1 percent of original size [2021-02-24 04:42:41,732 WARN L147 QuantifierPusher]: treesize reduction 30, result has 9.1 percent of original size 3 [2021-02-24 04:42:41,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:41,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:41,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:41,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:41,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:41,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:41,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:41,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:41,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:41,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:41,768 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:41,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:41,778 WARN L141 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-02-24 04:42:41,780 WARN L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-02-24 04:42:41,784 WARN L141 QuantifierPusher]: treesize reduction 18, result has 64.7 percent of original size [2021-02-24 04:42:41,786 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:42:41,787 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:42:41,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 04:42:41,793 WARN L147 QuantifierPusher]: treesize reduction 18, result has 64.7 percent of original size 33 [2021-02-24 04:42:41,798 WARN L141 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-02-24 04:42:41,801 WARN L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-02-24 04:42:41,804 WARN L141 QuantifierPusher]: treesize reduction 18, result has 62.5 percent of original size [2021-02-24 04:42:41,806 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 04:42:41,807 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 04:42:41,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 04:42:41,812 WARN L147 QuantifierPusher]: treesize reduction 18, result has 62.5 percent of original size 30 [2021-02-24 04:42:41,815 WARN L141 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-02-24 04:42:41,818 WARN L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-02-24 04:42:41,820 WARN L141 QuantifierPusher]: treesize reduction 37, result has 7.5 percent of original size [2021-02-24 04:42:41,821 WARN L147 QuantifierPusher]: treesize reduction 37, result has 7.5 percent of original size 3 [2021-02-24 04:42:41,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:41,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 04:42:41,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:41,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:41,828 WARN L141 QuantifierPusher]: treesize reduction 30, result has 9.1 percent of original size [2021-02-24 04:42:41,829 WARN L147 QuantifierPusher]: treesize reduction 30, result has 9.1 percent of original size 3 [2021-02-24 04:42:41,829 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 04:42:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 04:42:41,867 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 04:42:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 04:42:41,894 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 04:42:41,962 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-24 04:42:41,962 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-24 04:42:41,964 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 04:42:42,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 04:42:42 BoogieIcfgContainer [2021-02-24 04:42:42,002 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 04:42:42,003 INFO L168 Benchmark]: Toolchain (without parser) took 8613.81 ms. Allocated memory was 151.0 MB in the beginning and 223.3 MB in the end (delta: 72.4 MB). Free memory was 125.2 MB in the beginning and 151.5 MB in the end (delta: -26.3 MB). Peak memory consumption was 47.0 MB. Max. memory is 8.0 GB. [2021-02-24 04:42:42,004 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 125.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:42:42,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 858.73 ms. Allocated memory is still 151.0 MB. Free memory was 124.0 MB in the beginning and 122.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 8.0 GB. [2021-02-24 04:42:42,005 INFO L168 Benchmark]: Boogie Preprocessor took 202.60 ms. Allocated memory is still 151.0 MB. Free memory was 122.8 MB in the beginning and 117.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-02-24 04:42:42,006 INFO L168 Benchmark]: RCFGBuilder took 1617.35 ms. Allocated memory was 151.0 MB in the beginning and 185.6 MB in the end (delta: 34.6 MB). Free memory was 117.0 MB in the beginning and 123.2 MB in the end (delta: -6.2 MB). Peak memory consumption was 62.5 MB. Max. memory is 8.0 GB. [2021-02-24 04:42:42,007 INFO L168 Benchmark]: TraceAbstraction took 5915.85 ms. Allocated memory was 185.6 MB in the beginning and 223.3 MB in the end (delta: 37.7 MB). Free memory was 122.7 MB in the beginning and 151.5 MB in the end (delta: -28.8 MB). Peak memory consumption was 9.5 MB. Max. memory is 8.0 GB. [2021-02-24 04:42:42,011 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 is still 125.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 858.73 ms. Allocated memory is still 151.0 MB. Free memory was 124.0 MB in the beginning and 122.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 202.60 ms. Allocated memory is still 151.0 MB. Free memory was 122.8 MB in the beginning and 117.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1617.35 ms. Allocated memory was 151.0 MB in the beginning and 185.6 MB in the end (delta: 34.6 MB). Free memory was 117.0 MB in the beginning and 123.2 MB in the end (delta: -6.2 MB). Peak memory consumption was 62.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5915.85 ms. Allocated memory was 185.6 MB in the beginning and 223.3 MB in the end (delta: 37.7 MB). Free memory was 122.7 MB in the beginning and 151.5 MB in the end (delta: -28.8 MB). Peak memory consumption was 9.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 137]: 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 TRUE ((a24==1) && ((a15==9) && ((((a21==6) && 80 < a12 ) || (((a21==9) && ((11 < a12) && (80 >= a12)) ) || ( ((11 < a12) && (80 >= a12)) && (a21==10)))) && (input == 5)))) [L246] a12 = (((((a12 % 34)+ 23) - -139662) - 547970) - -408298) [L247] a15 = 6 [L248] a21 = 6 [L250] 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 TRUE ((( ((-43 < a12) && (11 >= a12)) && (a24==1)) && (a15==6)) && (a21==6)) [L137] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 690 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.8s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 380 SDtfs, 2166 SDslu, 237 SDs, 0 SdLazy, 1422 SolverSat, 734 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s 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=1003occurred 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, 30 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...