./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/NoriSharma-FSE2013-Fig8.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e994d50c-eca6-4ef4-9ba9-4eff311e377f/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e994d50c-eca6-4ef4-9ba9-4eff311e377f/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e994d50c-eca6-4ef4-9ba9-4eff311e377f/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e994d50c-eca6-4ef4-9ba9-4eff311e377f/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/NoriSharma-FSE2013-Fig8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e994d50c-eca6-4ef4-9ba9-4eff311e377f/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e994d50c-eca6-4ef4-9ba9-4eff311e377f/bin/ukojak-rkRKPMF4O4 --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 296e9988b55edbc54108eff44b47c089045df177e779a079877f1dfcae166da5 --- 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-2329fc7 [2022-12-14 20:36:51,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:36:51,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:36:51,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:36:51,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:36:51,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:36:51,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:36:51,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:36:51,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:36:51,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:36:51,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:36:51,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:36:51,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:36:51,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:36:51,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:36:51,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:36:51,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:36:51,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:36:51,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:36:51,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:36:51,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:36:51,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:36:51,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:36:51,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:36:51,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:36:51,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:36:51,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:36:51,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:36:51,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:36:51,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:36:51,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:36:51,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:36:51,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:36:51,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:36:51,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:36:51,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:36:51,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:36:51,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:36:51,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:36:51,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:36:51,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:36:51,785 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e994d50c-eca6-4ef4-9ba9-4eff311e377f/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 20:36:51,800 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:36:51,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:36:51,800 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:36:51,801 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:36:51,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:36:51,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:36:51,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:36:51,801 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:36:51,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:36:51,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:36:51,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:36:51,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:36:51,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:36:51,802 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 20:36:51,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:36:51,802 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:36:51,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:36:51,802 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:36:51,803 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:36:51,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:36:51,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:36:51,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:36:51,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:36:51,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:36:51,803 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:36:51,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:36:51,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:36:51,804 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_e994d50c-eca6-4ef4-9ba9-4eff311e377f/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e994d50c-eca6-4ef4-9ba9-4eff311e377f/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 296e9988b55edbc54108eff44b47c089045df177e779a079877f1dfcae166da5 [2022-12-14 20:36:51,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:36:52,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:36:52,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:36:52,019 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:36:52,019 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:36:52,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e994d50c-eca6-4ef4-9ba9-4eff311e377f/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-crafted-lit/NoriSharma-FSE2013-Fig8.c [2022-12-14 20:36:54,593 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:36:54,723 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:36:54,724 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e994d50c-eca6-4ef4-9ba9-4eff311e377f/sv-benchmarks/c/termination-crafted-lit/NoriSharma-FSE2013-Fig8.c [2022-12-14 20:36:54,728 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e994d50c-eca6-4ef4-9ba9-4eff311e377f/bin/ukojak-rkRKPMF4O4/data/d91e51293/4f1dd8eaf3564068af1fbc4052f82d91/FLAG71ff2a10b [2022-12-14 20:36:54,740 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e994d50c-eca6-4ef4-9ba9-4eff311e377f/bin/ukojak-rkRKPMF4O4/data/d91e51293/4f1dd8eaf3564068af1fbc4052f82d91 [2022-12-14 20:36:54,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:36:54,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:36:54,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:36:54,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:36:54,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:36:54,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:36:54" (1/1) ... [2022-12-14 20:36:54,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e8b4221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:54, skipping insertion in model container [2022-12-14 20:36:54,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:36:54" (1/1) ... [2022-12-14 20:36:54,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:36:54,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:36:54,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:36:54,898 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:36:54,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:36:54,924 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:36:54,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:54 WrapperNode [2022-12-14 20:36:54,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:36:54,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:36:54,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:36:54,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:36:54,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:54" (1/1) ... [2022-12-14 20:36:54,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:54" (1/1) ... [2022-12-14 20:36:54,952 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2022-12-14 20:36:54,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:36:54,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:36:54,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:36:54,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:36:54,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:54" (1/1) ... [2022-12-14 20:36:54,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:54" (1/1) ... [2022-12-14 20:36:54,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:54" (1/1) ... [2022-12-14 20:36:54,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:54" (1/1) ... [2022-12-14 20:36:54,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:54" (1/1) ... [2022-12-14 20:36:54,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:54" (1/1) ... [2022-12-14 20:36:54,970 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:54" (1/1) ... [2022-12-14 20:36:54,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:54" (1/1) ... [2022-12-14 20:36:54,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:36:54,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:36:54,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:36:54,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:36:54,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:54" (1/1) ... [2022-12-14 20:36:54,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:36:54,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e994d50c-eca6-4ef4-9ba9-4eff311e377f/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:36:54,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e994d50c-eca6-4ef4-9ba9-4eff311e377f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:36:55,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e994d50c-eca6-4ef4-9ba9-4eff311e377f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:36:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:36:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:36:55,109 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:36:55,112 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:36:55,194 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:36:55,213 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:36:55,213 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 20:36:55,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:36:55 BoogieIcfgContainer [2022-12-14 20:36:55,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:36:55,217 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:36:55,217 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:36:55,225 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:36:55,225 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:36:55" (1/1) ... [2022-12-14 20:36:55,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:36:55,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:55,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2022-12-14 20:36:55,277 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2022-12-14 20:36:55,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 20:36:55,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:55,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:55,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:36:55,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:55,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2022-12-14 20:36:55,440 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-12-14 20:36:55,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 20:36:55,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:55,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:55,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:36:55,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:55,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2022-12-14 20:36:55,513 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2022-12-14 20:36:55,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 20:36:55,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:55,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:55,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:36:55,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:55,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2022-12-14 20:36:55,562 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-12-14 20:36:55,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 20:36:55,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:55,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:55,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:36:55,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:55,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2022-12-14 20:36:55,778 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2022-12-14 20:36:55,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 20:36:55,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:55,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:36:55,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:36:56,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:36:56,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2022-12-14 20:36:56,056 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2022-12-14 20:36:56,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 20:36:56,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:36:56,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:36:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 20:36:56,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 20:36:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 20:36:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 20:36:56,087 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 20:36:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 20:36:56,095 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2022-12-14 20:36:56,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 08:36:56 ImpRootNode [2022-12-14 20:36:56,111 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 20:36:56,112 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 20:36:56,112 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 20:36:56,112 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 20:36:56,112 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:36:55" (3/4) ... [2022-12-14 20:36:56,114 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 20:36:56,137 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e994d50c-eca6-4ef4-9ba9-4eff311e377f/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 20:36:56,137 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 20:36:56,138 INFO L158 Benchmark]: Toolchain (without parser) took 1393.75ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 93.1MB in the beginning and 93.1MB in the end (delta: -46.5kB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2022-12-14 20:36:56,138 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:36:56,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 178.81ms. Allocated memory is still 130.0MB. Free memory was 92.7MB in the beginning and 83.4MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 20:36:56,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.34ms. Allocated memory is still 130.0MB. Free memory was 83.4MB in the beginning and 82.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:36:56,139 INFO L158 Benchmark]: Boogie Preprocessor took 18.91ms. Allocated memory is still 130.0MB. Free memory was 82.2MB in the beginning and 80.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:36:56,140 INFO L158 Benchmark]: RCFGBuilder took 243.99ms. Allocated memory is still 130.0MB. Free memory was 80.9MB in the beginning and 70.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 20:36:56,140 INFO L158 Benchmark]: CodeCheck took 894.14ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 70.4MB in the beginning and 95.2MB in the end (delta: -24.8MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2022-12-14 20:36:56,141 INFO L158 Benchmark]: Witness Printer took 25.81ms. Allocated memory is still 157.3MB. Free memory was 95.2MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:36:56,143 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, 20 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 81 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 90 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 176 IncrementalHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 20 mSDtfsCounter, 176 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 216 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 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, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 65 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 29]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int c, u, v, w, x, y, z; [L16] x = __VERIFIER_nondet_int() [L17] y = __VERIFIER_nondet_int() [L18] z = __VERIFIER_nondet_int() [L19] u = x [L20] v = y [L21] w = z [L22] c = 0 VAL [c=0, u=2147483647, v=2147483647, w=0, x=2147483647, y=2147483647, z=0] [L23] COND TRUE x >= y VAL [c=0, u=2147483647, v=2147483647, w=0, x=2147483647, y=2147483647, z=0] [L24] EXPR c + 1 [L24] c = c + 1 VAL [c=1, u=2147483647, v=2147483647, w=0, x=2147483647, y=2147483647, z=0] [L25] COND FALSE !(z > 1) VAL [c=1, u=2147483647, v=2147483647, w=0, x=2147483647, y=2147483647, z=0] [L29] y + 1 VAL [c=1, u=2147483647, v=2147483647, w=0, x=2147483647, y=2147483647, z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 178.81ms. Allocated memory is still 130.0MB. Free memory was 92.7MB in the beginning and 83.4MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.34ms. Allocated memory is still 130.0MB. Free memory was 83.4MB in the beginning and 82.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.91ms. Allocated memory is still 130.0MB. Free memory was 82.2MB in the beginning and 80.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 243.99ms. Allocated memory is still 130.0MB. Free memory was 80.9MB in the beginning and 70.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 894.14ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 70.4MB in the beginning and 95.2MB in the end (delta: -24.8MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Witness Printer took 25.81ms. Allocated memory is still 157.3MB. Free memory was 95.2MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 20:36:56,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e994d50c-eca6-4ef4-9ba9-4eff311e377f/bin/ukojak-rkRKPMF4O4/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)