./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-exmini.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e23c77-a9ec-4068-95e1-6134b420fd59/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e23c77-a9ec-4068-95e1-6134b420fd59/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e23c77-a9ec-4068-95e1-6134b420fd59/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e23c77-a9ec-4068-95e1-6134b420fd59/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-exmini.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e23c77-a9ec-4068-95e1-6134b420fd59/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e23c77-a9ec-4068-95e1-6134b420fd59/bin/ukojak-92XMlrwhuB --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 2770219c807b831fae6e095473136daed1a77c163c041673f2a174af412b4e75 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:52:52,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:52:52,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:52:52,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:52:52,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:52:52,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:52:52,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:52:52,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:52:52,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:52:52,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:52:52,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:52:52,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:52:52,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:52:52,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:52:52,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:52:52,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:52:52,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:52:52,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:52:52,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:52:52,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:52:52,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:52:52,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:52:52,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:52:52,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:52:52,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:52:52,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:52:52,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:52:52,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:52:52,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:52:52,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:52:52,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:52:52,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:52:52,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:52:52,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:52:52,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:52:52,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:52:52,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:52:52,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:52:52,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:52:52,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:52:52,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:52:52,925 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e23c77-a9ec-4068-95e1-6134b420fd59/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-10-17 16:52:52,971 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:52:52,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:52:52,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:52:52,977 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:52:52,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:52:52,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:52:52,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:52:52,980 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:52:52,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:52:52,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:52:52,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:52:52,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:52:52,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:52:52,982 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:52:52,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:52:52,983 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:52:52,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:52:52,983 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:52:52,983 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:52:52,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:52:52,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:52,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:52:52,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:52:52,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:52:52,985 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:52:52,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:52:52,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:52:52,985 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_a5e23c77-a9ec-4068-95e1-6134b420fd59/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e23c77-a9ec-4068-95e1-6134b420fd59/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2770219c807b831fae6e095473136daed1a77c163c041673f2a174af412b4e75 [2022-10-17 16:52:53,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:52:53,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:52:53,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:52:53,332 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:52:53,332 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:52:53,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e23c77-a9ec-4068-95e1-6134b420fd59/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-exmini.c [2022-10-17 16:52:53,424 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e23c77-a9ec-4068-95e1-6134b420fd59/bin/ukojak-92XMlrwhuB/data/d128089d0/ce7875e67011477492ff34cc3f76e80a/FLAG460aa03a8 [2022-10-17 16:52:53,977 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:52:53,978 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e23c77-a9ec-4068-95e1-6134b420fd59/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-exmini.c [2022-10-17 16:52:53,985 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e23c77-a9ec-4068-95e1-6134b420fd59/bin/ukojak-92XMlrwhuB/data/d128089d0/ce7875e67011477492ff34cc3f76e80a/FLAG460aa03a8 [2022-10-17 16:52:54,335 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e23c77-a9ec-4068-95e1-6134b420fd59/bin/ukojak-92XMlrwhuB/data/d128089d0/ce7875e67011477492ff34cc3f76e80a [2022-10-17 16:52:54,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:52:54,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:52:54,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:54,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:52:54,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:52:54,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:54,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147e709a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54, skipping insertion in model container [2022-10-17 16:52:54,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:54,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:52:54,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:52:54,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:54,589 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:52:54,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:54,621 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:52:54,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54 WrapperNode [2022-10-17 16:52:54,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:54,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:54,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:52:54,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:52:54,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:54,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:54,660 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2022-10-17 16:52:54,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:54,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:52:54,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:52:54,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:52:54,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:54,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:54,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:54,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:54,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:54,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:54,690 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:54,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:54,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:52:54,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:52:54,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:52:54,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:52:54,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:54,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:54,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e23c77-a9ec-4068-95e1-6134b420fd59/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:52:54,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e23c77-a9ec-4068-95e1-6134b420fd59/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:52:54,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e23c77-a9ec-4068-95e1-6134b420fd59/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:52:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:52:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:52:54,864 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:52:54,866 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:52:54,966 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:52:54,992 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:52:54,992 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:52:54,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:54 BoogieIcfgContainer [2022-10-17 16:52:54,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:52:54,996 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:52:54,996 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:52:55,008 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:52:55,008 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:55,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:52:55,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:55,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-10-17 16:52:55,076 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-10-17 16:52:55,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:52:55,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:55,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:55,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:55,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:55,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2022-10-17 16:52:55,323 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2022-10-17 16:52:55,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:52:55,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:55,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:55,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:55,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:55,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2022-10-17 16:52:55,522 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2022-10-17 16:52:55,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:52:55,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:55,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:55,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:55,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:55,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2022-10-17 16:52:55,977 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2022-10-17 16:52:55,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:52:55,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:55,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:52:56,001 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:52:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:52:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:52:56,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:52:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:52:56,081 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2022-10-17 16:52:56,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:52:56 ImpRootNode [2022-10-17 16:52:56,114 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:52:56,116 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:52:56,116 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:52:56,116 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:52:56,117 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:54" (3/4) ... [2022-10-17 16:52:56,119 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:52:56,168 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e23c77-a9ec-4068-95e1-6134b420fd59/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:52:56,169 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:52:56,175 INFO L158 Benchmark]: Toolchain (without parser) took 1830.50ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 51.0MB in the beginning and 67.9MB in the end (delta: -16.8MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-10-17 16:52:56,176 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 66.9MB in the beginning and 66.9MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:52:56,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.06ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 50.8MB in the beginning and 88.7MB in the end (delta: -37.9MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-10-17 16:52:56,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.66ms. Allocated memory is still 111.1MB. Free memory was 88.7MB in the beginning and 87.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:52:56,178 INFO L158 Benchmark]: Boogie Preprocessor took 30.13ms. Allocated memory is still 111.1MB. Free memory was 87.3MB in the beginning and 86.4MB in the end (delta: 958.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:52:56,179 INFO L158 Benchmark]: RCFGBuilder took 299.49ms. Allocated memory is still 111.1MB. Free memory was 86.4MB in the beginning and 76.4MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:52:56,180 INFO L158 Benchmark]: CodeCheck took 1118.44ms. Allocated memory is still 111.1MB. Free memory was 76.4MB in the beginning and 69.4MB in the end (delta: 7.0MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2022-10-17 16:52:56,181 INFO L158 Benchmark]: Witness Printer took 52.94ms. Allocated memory is still 111.1MB. Free memory was 69.4MB in the beginning and 67.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:52:56,188 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: 1.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 6 mSDtfsCounter, 72 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 31 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int i, j, k, tmp; [L15] i = __VERIFIER_nondet_int() [L16] j = __VERIFIER_nondet_int() [L17] k = __VERIFIER_nondet_int() [L18] tmp = __VERIFIER_nondet_int() [L19] COND TRUE i <= 100 && j <= k [L20] tmp = i [L21] i = j VAL [i=-2147483648, j=-2147483648, k=-2147483648, tmp=0] [L22] EXPR tmp + 1 [L22] j = tmp + 1 VAL [i=-2147483648, j=1, k=-2147483648, tmp=0] [L23] k - 1 VAL [i=-2147483648, j=1, k=-2147483648, tmp=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 66.9MB in the beginning and 66.9MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.06ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 50.8MB in the beginning and 88.7MB in the end (delta: -37.9MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.66ms. Allocated memory is still 111.1MB. Free memory was 88.7MB in the beginning and 87.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.13ms. Allocated memory is still 111.1MB. Free memory was 87.3MB in the beginning and 86.4MB in the end (delta: 958.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 299.49ms. Allocated memory is still 111.1MB. Free memory was 86.4MB in the beginning and 76.4MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1118.44ms. Allocated memory is still 111.1MB. Free memory was 76.4MB in the beginning and 69.4MB in the end (delta: 7.0MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Witness Printer took 52.94ms. Allocated memory is still 111.1MB. Free memory was 69.4MB in the beginning and 67.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:52:56,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e23c77-a9ec-4068-95e1-6134b420fd59/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)