./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test22-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-regression/test22-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a615535fdf39447351d30c32f7932e942abe07a9 ............................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 22:05:09,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 22:05:09,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 22:05:09,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 22:05:09,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 22:05:09,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 22:05:09,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 22:05:09,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 22:05:09,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 22:05:09,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 22:05:09,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 22:05:09,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 22:05:09,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 22:05:09,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 22:05:09,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 22:05:09,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 22:05:09,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 22:05:09,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 22:05:09,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 22:05:09,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 22:05:09,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 22:05:09,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 22:05:09,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 22:05:09,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 22:05:09,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 22:05:09,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 22:05:09,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 22:05:09,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 22:05:09,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 22:05:09,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 22:05:09,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 22:05:09,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 22:05:09,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 22:05:09,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 22:05:09,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 22:05:09,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 22:05:09,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 22:05:09,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 22:05:09,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 22:05:09,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 22:05:09,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 22:05:09,893 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 22:05:09,949 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 22:05:09,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 22:05:09,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 22:05:09,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 22:05:09,953 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 22:05:09,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 22:05:09,954 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 22:05:09,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 22:05:09,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 22:05:09,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 22:05:09,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 22:05:09,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 22:05:09,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 22:05:09,957 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 22:05:09,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 22:05:09,958 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 22:05:09,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 22:05:09,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 22:05:09,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 22:05:09,959 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 22:05:09,959 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 22:05:09,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 22:05:09,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 22:05:09,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 22:05:09,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 22:05:09,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 22:05:09,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 22:05:09,961 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 22:05:09,962 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 22:05:09,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a615535fdf39447351d30c32f7932e942abe07a9 [2020-10-25 22:05:10,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 22:05:10,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 22:05:10,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 22:05:10,431 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 22:05:10,432 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 22:05:10,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test22-2.c [2020-10-25 22:05:10,510 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3a2f0e2e/e2172d282662495f9e9f90f0d772a1ca/FLAG1d7d81e22 [2020-10-25 22:05:11,135 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 22:05:11,136 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test22-2.c [2020-10-25 22:05:11,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3a2f0e2e/e2172d282662495f9e9f90f0d772a1ca/FLAG1d7d81e22 [2020-10-25 22:05:11,489 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3a2f0e2e/e2172d282662495f9e9f90f0d772a1ca [2020-10-25 22:05:11,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 22:05:11,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 22:05:11,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 22:05:11,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 22:05:11,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 22:05:11,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:05:11" (1/1) ... [2020-10-25 22:05:11,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@270e32d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:05:11, skipping insertion in model container [2020-10-25 22:05:11,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:05:11" (1/1) ... [2020-10-25 22:05:11,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 22:05:11,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 22:05:11,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:05:11,761 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 22:05:11,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:05:11,801 INFO L208 MainTranslator]: Completed translation [2020-10-25 22:05:11,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:05:11 WrapperNode [2020-10-25 22:05:11,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 22:05:11,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 22:05:11,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 22:05:11,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 22:05:11,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:05:11" (1/1) ... [2020-10-25 22:05:11,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:05:11" (1/1) ... [2020-10-25 22:05:11,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 22:05:11,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 22:05:11,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 22:05:11,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 22:05:11,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:05:11" (1/1) ... [2020-10-25 22:05:11,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:05:11" (1/1) ... [2020-10-25 22:05:11,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:05:11" (1/1) ... [2020-10-25 22:05:11,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:05:11" (1/1) ... [2020-10-25 22:05:11,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:05:11" (1/1) ... [2020-10-25 22:05:11,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:05:11" (1/1) ... [2020-10-25 22:05:11,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:05:11" (1/1) ... [2020-10-25 22:05:11,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 22:05:11,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 22:05:11,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 22:05:11,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 22:05:11,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:05:11" (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 [2020-10-25 22:05:12,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 22:05:12,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 22:05:12,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-25 22:05:12,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 22:05:12,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 22:05:12,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-25 22:05:12,571 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 22:05:12,572 INFO L298 CfgBuilder]: Removed 17 assume(true) statements. [2020-10-25 22:05:12,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:05:12 BoogieIcfgContainer [2020-10-25 22:05:12,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 22:05:12,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 22:05:12,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 22:05:12,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 22:05:12,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 10:05:11" (1/3) ... [2020-10-25 22:05:12,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b05faaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:05:12, skipping insertion in model container [2020-10-25 22:05:12,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:05:11" (2/3) ... [2020-10-25 22:05:12,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b05faaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:05:12, skipping insertion in model container [2020-10-25 22:05:12,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:05:12" (3/3) ... [2020-10-25 22:05:12,592 INFO L111 eAbstractionObserver]: Analyzing ICFG test22-2.c [2020-10-25 22:05:12,617 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 22:05:12,623 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 22:05:12,640 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 22:05:12,689 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 22:05:12,689 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 22:05:12,689 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 22:05:12,690 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 22:05:12,690 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 22:05:12,690 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 22:05:12,691 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 22:05:12,691 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 22:05:12,711 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-10-25 22:05:12,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 22:05:12,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:05:12,719 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:05:12,719 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:05:12,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:05:12,730 INFO L82 PathProgramCache]: Analyzing trace with hash 164664103, now seen corresponding path program 1 times [2020-10-25 22:05:12,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:05:12,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516361113] [2020-10-25 22:05:12,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:05:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:05:12,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:05:12,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516361113] [2020-10-25 22:05:12,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:05:12,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 22:05:12,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739933741] [2020-10-25 22:05:12,971 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 22:05:12,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:05:12,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 22:05:12,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 22:05:12,990 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 2 states. [2020-10-25 22:05:13,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:05:13,010 INFO L93 Difference]: Finished difference Result 35 states and 42 transitions. [2020-10-25 22:05:13,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 22:05:13,012 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-10-25 22:05:13,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:05:13,022 INFO L225 Difference]: With dead ends: 35 [2020-10-25 22:05:13,022 INFO L226 Difference]: Without dead ends: 21 [2020-10-25 22:05:13,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 22:05:13,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-25 22:05:13,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-25 22:05:13,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-25 22:05:13,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-10-25 22:05:13,068 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 19 [2020-10-25 22:05:13,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:05:13,068 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-10-25 22:05:13,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 22:05:13,069 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-10-25 22:05:13,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-25 22:05:13,076 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:05:13,077 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] [2020-10-25 22:05:13,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 22:05:13,078 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:05:13,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:05:13,079 INFO L82 PathProgramCache]: Analyzing trace with hash 603612068, now seen corresponding path program 1 times [2020-10-25 22:05:13,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:05:13,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702774973] [2020-10-25 22:05:13,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:05:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:05:13,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:05:13,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702774973] [2020-10-25 22:05:13,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:05:13,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-25 22:05:13,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8475142] [2020-10-25 22:05:13,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-25 22:05:13,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:05:13,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-25 22:05:13,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-10-25 22:05:13,500 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 10 states. [2020-10-25 22:05:14,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:05:14,133 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions. [2020-10-25 22:05:14,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-25 22:05:14,134 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 20 [2020-10-25 22:05:14,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:05:14,136 INFO L225 Difference]: With dead ends: 71 [2020-10-25 22:05:14,136 INFO L226 Difference]: Without dead ends: 66 [2020-10-25 22:05:14,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-10-25 22:05:14,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-25 22:05:14,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 33. [2020-10-25 22:05:14,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-25 22:05:14,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2020-10-25 22:05:14,148 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 40 transitions. Word has length 20 [2020-10-25 22:05:14,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:05:14,149 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 40 transitions. [2020-10-25 22:05:14,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-25 22:05:14,149 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2020-10-25 22:05:14,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-25 22:05:14,150 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:05:14,150 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] [2020-10-25 22:05:14,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 22:05:14,151 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:05:14,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:05:14,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1304676646, now seen corresponding path program 1 times [2020-10-25 22:05:14,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:05:14,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174425164] [2020-10-25 22:05:14,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:05:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 22:05:14,234 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 22:05:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 22:05:14,264 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 22:05:14,296 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-25 22:05:14,297 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 22:05:14,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 22:05:14,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 10:05:14 BoogieIcfgContainer [2020-10-25 22:05:14,355 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 22:05:14,358 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 22:05:14,359 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 22:05:14,359 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 22:05:14,360 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:05:12" (3/4) ... [2020-10-25 22:05:14,362 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-25 22:05:14,441 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 22:05:14,441 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 22:05:14,444 INFO L168 Benchmark]: Toolchain (without parser) took 2948.70 ms. Allocated memory was 44.0 MB in the beginning and 69.2 MB in the end (delta: 25.2 MB). Free memory was 21.9 MB in the beginning and 36.1 MB in the end (delta: -14.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-25 22:05:14,445 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 44.0 MB. Free memory is still 26.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:05:14,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.38 ms. Allocated memory is still 44.0 MB. Free memory was 21.2 MB in the beginning and 22.6 MB in the end (delta: -1.3 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-10-25 22:05:14,447 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.75 ms. Allocated memory is still 44.0 MB. Free memory was 22.6 MB in the beginning and 20.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:05:14,448 INFO L168 Benchmark]: Boogie Preprocessor took 64.53 ms. Allocated memory is still 44.0 MB. Free memory was 20.9 MB in the beginning and 19.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:05:14,450 INFO L168 Benchmark]: RCFGBuilder took 647.08 ms. Allocated memory was 44.0 MB in the beginning and 56.6 MB in the end (delta: 12.6 MB). Free memory was 19.4 MB in the beginning and 26.2 MB in the end (delta: -6.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-10-25 22:05:14,451 INFO L168 Benchmark]: TraceAbstraction took 1777.94 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 25.7 MB in the beginning and 39.1 MB in the end (delta: -13.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:05:14,452 INFO L168 Benchmark]: Witness Printer took 83.14 ms. Allocated memory is still 69.2 MB. Free memory was 39.1 MB in the beginning and 36.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:05:14,457 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 44.0 MB. Free memory is still 26.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 301.38 ms. Allocated memory is still 44.0 MB. Free memory was 21.2 MB in the beginning and 22.6 MB in the end (delta: -1.3 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.75 ms. Allocated memory is still 44.0 MB. Free memory was 22.6 MB in the beginning and 20.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.53 ms. Allocated memory is still 44.0 MB. Free memory was 20.9 MB in the beginning and 19.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 647.08 ms. Allocated memory was 44.0 MB in the beginning and 56.6 MB in the end (delta: 12.6 MB). Free memory was 19.4 MB in the beginning and 26.2 MB in the end (delta: -6.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1777.94 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 25.7 MB in the beginning and 39.1 MB in the end (delta: -13.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 83.14 ms. Allocated memory is still 69.2 MB. Free memory was 39.1 MB in the beginning and 36.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L11] struct dummy d1, d2; VAL [d1={5:0}, d2={9:0}] [L15] d1.a = __VERIFIER_nondet_int() [L16] d1.b = __VERIFIER_nondet_int() [L18] d2.a = __VERIFIER_nondet_int() [L19] d2.b = __VERIFIER_nondet_int() [L24] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2 VAL [d1={5:0}, d2={9:0}] [L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(), *pd3 = get_dummy(); [L24] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2 VAL [d1={5:0}, d2={9:0}] [L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(), *pd3 = get_dummy(); [L24] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2 VAL [d1={5:0}, d2={9:0}] [L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(), *pd3 = get_dummy(); [L36] int i = __VERIFIER_nondet_int(); [L37] pd1 != 0 && pd1 == pd2 && (*pd2).a > 0 [L37] EXPR (*pd2).a [L37] pd1 != 0 && pd1 == pd2 && (*pd2).a > 0 VAL [d1={5:0}, d2={9:0}] [L37] COND TRUE pd1 != 0 && pd1 == pd2 && (*pd2).a > 0 [L38] int *pa = &pd1->a; [L39] EXPR pd3->a [L39] i = pd3->a - 10 [L40] EXPR \read(*pa) VAL [d1={5:0}, d2={9:0}] [L40] COND FALSE !(i < *pa) [L29] EXPR s1->a [L29] return s1->a == i; [L43] COND TRUE !check(pd2, i) [L3] __assert_fail("0", "test22-2.c", 3, "reach_error") VAL [d1={5:0}, d2={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 54 SDtfs, 59 SDslu, 139 SDs, 0 SdLazy, 138 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 33 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 2053 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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...