./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f8ed30-7217-4e50-94f8-a89d9602e1a5/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f8ed30-7217-4e50-94f8-a89d9602e1a5/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f8ed30-7217-4e50-94f8-a89d9602e1a5/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f8ed30-7217-4e50-94f8-a89d9602e1a5/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f8ed30-7217-4e50-94f8-a89d9602e1a5/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f8ed30-7217-4e50-94f8-a89d9602e1a5/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0568d11f1ee970af57899a335ec74cbcaa52bf37ceadcf747199b0f868955b00 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:14:44,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:14:44,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:14:44,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:14:44,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:14:44,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:14:44,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:14:44,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:14:44,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:14:44,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:14:44,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:14:44,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:14:44,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:14:44,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:14:44,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:14:44,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:14:44,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:14:44,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:14:44,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:14:44,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:14:44,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:14:44,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:14:44,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:14:44,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:14:44,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:14:44,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:14:44,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:14:44,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:14:44,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:14:44,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:14:44,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:14:44,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:14:44,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:14:44,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:14:44,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:14:44,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:14:44,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:14:44,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:14:44,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:14:44,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:14:44,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:14:44,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f8ed30-7217-4e50-94f8-a89d9602e1a5/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 23:14:44,951 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:14:44,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:14:44,952 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:14:44,952 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:14:44,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:14:44,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:14:44,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:14:44,954 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:14:44,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:14:44,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:14:44,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:14:44,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:14:44,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:14:44,955 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:14:44,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:14:44,955 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:14:44,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:14:44,955 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:14:44,956 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:14:44,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:14:44,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:14:44,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:14:44,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:14:44,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:14:44,957 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:14:44,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:14:44,957 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:14:44,957 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f8ed30-7217-4e50-94f8-a89d9602e1a5/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f8ed30-7217-4e50-94f8-a89d9602e1a5/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0568d11f1ee970af57899a335ec74cbcaa52bf37ceadcf747199b0f868955b00 [2021-11-13 23:14:45,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:14:45,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:14:45,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:14:45,254 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:14:45,255 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:14:45,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f8ed30-7217-4e50-94f8-a89d9602e1a5/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Fig1.c [2021-11-13 23:14:45,322 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f8ed30-7217-4e50-94f8-a89d9602e1a5/bin/ukojak-2xVlg8857e/data/d845c159b/a06452067b2546f5ba60d3dd7bf7d20d/FLAG64dc866e3 [2021-11-13 23:14:45,746 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:14:45,746 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f8ed30-7217-4e50-94f8-a89d9602e1a5/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Fig1.c [2021-11-13 23:14:45,752 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f8ed30-7217-4e50-94f8-a89d9602e1a5/bin/ukojak-2xVlg8857e/data/d845c159b/a06452067b2546f5ba60d3dd7bf7d20d/FLAG64dc866e3 [2021-11-13 23:14:46,156 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f8ed30-7217-4e50-94f8-a89d9602e1a5/bin/ukojak-2xVlg8857e/data/d845c159b/a06452067b2546f5ba60d3dd7bf7d20d [2021-11-13 23:14:46,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:14:46,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:14:46,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:14:46,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:14:46,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:14:46,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:14:46" (1/1) ... [2021-11-13 23:14:46,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@625c6dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:46, skipping insertion in model container [2021-11-13 23:14:46,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:14:46" (1/1) ... [2021-11-13 23:14:46,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:14:46,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:14:46,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:14:46,340 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:14:46,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:14:46,361 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:14:46,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:46 WrapperNode [2021-11-13 23:14:46,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:14:46,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:14:46,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:14:46,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:14:46,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:46" (1/1) ... [2021-11-13 23:14:46,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:46" (1/1) ... [2021-11-13 23:14:46,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:14:46,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:14:46,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:14:46,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:14:46,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:46" (1/1) ... [2021-11-13 23:14:46,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:46" (1/1) ... [2021-11-13 23:14:46,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:46" (1/1) ... [2021-11-13 23:14:46,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:46" (1/1) ... [2021-11-13 23:14:46,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:46" (1/1) ... [2021-11-13 23:14:46,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:46" (1/1) ... [2021-11-13 23:14:46,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:46" (1/1) ... [2021-11-13 23:14:46,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:14:46,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:14:46,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:14:46,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:14:46,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:46" (1/1) ... [2021-11-13 23:14:46,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:14:46,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f8ed30-7217-4e50-94f8-a89d9602e1a5/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:14:46,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f8ed30-7217-4e50-94f8-a89d9602e1a5/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:14:46,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f8ed30-7217-4e50-94f8-a89d9602e1a5/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:14:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:14:46,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:14:46,708 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:14:46,709 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 23:14:46,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:46 BoogieIcfgContainer [2021-11-13 23:14:46,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:14:46,712 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:14:46,713 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:14:46,721 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:14:46,722 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:46" (1/1) ... [2021-11-13 23:14:46,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:14:46,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:14:46,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-11-13 23:14:46,799 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-11-13 23:14:46,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:14:46,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:14:46,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:14:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:14:46,865 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:14:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:14:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:14:46,893 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:14:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:14:46,902 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-13 23:14:46,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:14:46 ImpRootNode [2021-11-13 23:14:46,925 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 23:14:46,926 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 23:14:46,926 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 23:14:46,926 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 23:14:46,927 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:46" (3/4) ... [2021-11-13 23:14:46,929 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-13 23:14:46,961 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f8ed30-7217-4e50-94f8-a89d9602e1a5/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 23:14:46,961 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 23:14:46,962 INFO L158 Benchmark]: Toolchain (without parser) took 802.42ms. Allocated memory is still 92.3MB. Free memory was 63.6MB in the beginning and 33.1MB in the end (delta: 30.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-13 23:14:46,963 INFO L158 Benchmark]: CDTParser took 1.51ms. Allocated memory is still 92.3MB. Free memory was 62.5MB in the beginning and 62.4MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:14:46,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.59ms. Allocated memory is still 92.3MB. Free memory was 63.4MB in the beginning and 54.9MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:14:46,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.92ms. Allocated memory is still 92.3MB. Free memory was 54.7MB in the beginning and 53.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:14:46,965 INFO L158 Benchmark]: Boogie Preprocessor took 27.02ms. Allocated memory is still 92.3MB. Free memory was 53.5MB in the beginning and 52.6MB in the end (delta: 847.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:14:46,966 INFO L158 Benchmark]: RCFGBuilder took 287.07ms. Allocated memory is still 92.3MB. Free memory was 52.6MB in the beginning and 43.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:14:46,966 INFO L158 Benchmark]: CodeCheck took 212.56ms. Allocated memory is still 92.3MB. Free memory was 43.8MB in the beginning and 34.6MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 23:14:46,982 INFO L158 Benchmark]: Witness Printer took 35.75ms. Allocated memory is still 92.3MB. Free memory was 34.6MB in the beginning and 33.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:14:46,990 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 18]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int q, y; [L15] q = __VERIFIER_nondet_int() [L16] y = __VERIFIER_nondet_int() [L17] COND TRUE q > 0 VAL [q=2147483647, y=-1] [L18] q - y VAL [q=2147483647, y=-1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.51ms. Allocated memory is still 92.3MB. Free memory was 62.5MB in the beginning and 62.4MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.59ms. Allocated memory is still 92.3MB. Free memory was 63.4MB in the beginning and 54.9MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.92ms. Allocated memory is still 92.3MB. Free memory was 54.7MB in the beginning and 53.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.02ms. Allocated memory is still 92.3MB. Free memory was 53.5MB in the beginning and 52.6MB in the end (delta: 847.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 287.07ms. Allocated memory is still 92.3MB. Free memory was 52.6MB in the beginning and 43.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 212.56ms. Allocated memory is still 92.3MB. Free memory was 43.8MB in the beginning and 34.6MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 35.75ms. Allocated memory is still 92.3MB. Free memory was 34.6MB in the beginning and 33.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-13 23:14:47,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6f8ed30-7217-4e50-94f8-a89d9602e1a5/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)