./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 a0165632 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_d525e833-4f71-45fd-8ab3-07174da8677f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d525e833-4f71-45fd-8ab3-07174da8677f/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d525e833-4f71-45fd-8ab3-07174da8677f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d525e833-4f71-45fd-8ab3-07174da8677f/bin/ukojak-verify-ImItNfHLgk/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_d525e833-4f71-45fd-8ab3-07174da8677f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d525e833-4f71-45fd-8ab3-07174da8677f/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --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 --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:31:10,540 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:31:10,695 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d525e833-4f71-45fd-8ab3-07174da8677f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:31:10,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:31:10,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:31:10,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:31:10,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:31:10,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:31:10,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:31:10,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:31:10,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:31:10,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:31:10,763 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:31:10,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:31:10,764 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:31:10,766 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:31:10,767 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:31:10,767 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:31:10,768 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:31:10,768 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:31:10,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:31:10,770 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:31:10,770 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:31:10,771 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:31:10,771 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:31:10,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:31:10,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:31:10,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:31:10,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:31:10,774 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:31:10,774 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:31:10,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:31:10,775 INFO L153 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_d525e833-4f71-45fd-8ab3-07174da8677f/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d525e833-4f71-45fd-8ab3-07174da8677f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 296e9988b55edbc54108eff44b47c089045df177e779a079877f1dfcae166da5 [2024-11-08 23:31:11,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:31:11,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:31:11,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:31:11,243 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:31:11,248 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:31:11,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d525e833-4f71-45fd-8ab3-07174da8677f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-crafted-lit/NoriSharma-FSE2013-Fig8.c Unable to find full path for "g++" [2024-11-08 23:31:13,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:31:14,160 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:31:14,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d525e833-4f71-45fd-8ab3-07174da8677f/sv-benchmarks/c/termination-crafted-lit/NoriSharma-FSE2013-Fig8.c [2024-11-08 23:31:14,172 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d525e833-4f71-45fd-8ab3-07174da8677f/bin/ukojak-verify-ImItNfHLgk/data/dd297481d/02989131c1644413885ac47c3dbf531a/FLAG5e95defce [2024-11-08 23:31:14,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d525e833-4f71-45fd-8ab3-07174da8677f/bin/ukojak-verify-ImItNfHLgk/data/dd297481d/02989131c1644413885ac47c3dbf531a [2024-11-08 23:31:14,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:31:14,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:31:14,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:31:14,245 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:31:14,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:31:14,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:31:14" (1/1) ... [2024-11-08 23:31:14,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b53fe9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:14, skipping insertion in model container [2024-11-08 23:31:14,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:31:14" (1/1) ... [2024-11-08 23:31:14,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:31:14,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:31:14,599 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:31:14,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:31:14,633 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:31:14,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:14 WrapperNode [2024-11-08 23:31:14,634 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:31:14,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:31:14,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:31:14,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:31:14,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:14" (1/1) ... [2024-11-08 23:31:14,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:14" (1/1) ... [2024-11-08 23:31:14,681 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2024-11-08 23:31:14,683 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:31:14,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:31:14,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:31:14,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:31:14,698 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:14" (1/1) ... [2024-11-08 23:31:14,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:14" (1/1) ... [2024-11-08 23:31:14,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:14" (1/1) ... [2024-11-08 23:31:14,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:14" (1/1) ... [2024-11-08 23:31:14,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:14" (1/1) ... [2024-11-08 23:31:14,715 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:14" (1/1) ... [2024-11-08 23:31:14,719 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:14" (1/1) ... [2024-11-08 23:31:14,720 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:14" (1/1) ... [2024-11-08 23:31:14,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:31:14,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:31:14,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:31:14,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:31:14,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:14" (1/1) ... [2024-11-08 23:31:14,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:31:14,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d525e833-4f71-45fd-8ab3-07174da8677f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:31:14,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d525e833-4f71-45fd-8ab3-07174da8677f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:31:14,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d525e833-4f71-45fd-8ab3-07174da8677f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:31:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:31:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:31:14,943 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:31:14,947 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:31:15,110 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 23:31:15,111 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:31:15,144 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:31:15,144 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:31:15,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:31:15 BoogieIcfgContainer [2024-11-08 23:31:15,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:31:15,146 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:31:15,147 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:31:15,162 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:31:15,162 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:31:15" (1/1) ... [2024-11-08 23:31:15,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:31:15,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:15,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2024-11-08 23:31:15,244 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-08 23:31:15,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:31:15,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:15,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:15,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:31:15,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:15,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-11-08 23:31:15,533 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-08 23:31:15,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:31:15,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:15,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:15,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:31:15,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:15,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2024-11-08 23:31:15,764 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-11-08 23:31:15,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:31:15,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:15,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:15,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:31:15,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:15,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2024-11-08 23:31:15,924 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-08 23:31:15,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:31:15,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:15,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:15,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:31:16,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:16,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2024-11-08 23:31:16,456 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2024-11-08 23:31:16,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:31:16,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:16,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:16,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:31:17,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:17,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2024-11-08 23:31:17,140 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2024-11-08 23:31:17,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:31:17,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:17,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:31:17,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:31:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:31:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:31:17,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:31:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:31:17,212 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-11-08 23:31:17,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:31:17 ImpRootNode [2024-11-08 23:31:17,261 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:31:17,262 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:31:17,262 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:31:17,263 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:31:17,263 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:31:15" (3/4) ... [2024-11-08 23:31:17,264 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:31:17,314 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d525e833-4f71-45fd-8ab3-07174da8677f/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:31:17,315 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:31:17,316 INFO L158 Benchmark]: Toolchain (without parser) took 3075.14ms. Allocated memory is still 151.0MB. Free memory was 123.8MB in the beginning and 89.2MB in the end (delta: 34.7MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2024-11-08 23:31:17,316 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 119.5MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:31:17,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.76ms. Allocated memory is still 151.0MB. Free memory was 123.8MB in the beginning and 112.2MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:31:17,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.03ms. Allocated memory is still 151.0MB. Free memory was 112.2MB in the beginning and 110.6MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:31:17,319 INFO L158 Benchmark]: Boogie Preprocessor took 37.56ms. Allocated memory is still 151.0MB. Free memory was 110.6MB in the beginning and 109.9MB in the end (delta: 683.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:31:17,319 INFO L158 Benchmark]: RCFGBuilder took 421.76ms. Allocated memory is still 151.0MB. Free memory was 109.4MB in the beginning and 98.8MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:31:17,320 INFO L158 Benchmark]: CodeCheck took 2114.99ms. Allocated memory is still 151.0MB. Free memory was 98.8MB in the beginning and 90.5MB in the end (delta: 8.3MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-11-08 23:31:17,321 INFO L158 Benchmark]: Witness Printer took 52.65ms. Allocated memory is still 151.0MB. Free memory was 90.5MB in the beginning and 89.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:31:17,324 INFO L338 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, 22 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 108 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 162 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 96 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 176 IncrementalHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 66 mSDtfsCounter, 176 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 264 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 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, x=2147483647, y=2147483647, z=0] [L23] COND FALSE !(x >= y) VAL [c=0, x=2147483647, y=2147483647, z=0] [L23] COND TRUE x >= y VAL [c=0, x=2147483647, y=2147483647, z=0] [L24] EXPR c + 1 [L24] c = c + 1 VAL [c=1, x=2147483647, y=2147483647, z=0] [L25] COND FALSE !(z > 1) VAL [c=1, x=2147483647, y=2147483647, z=0] [L29] y + 1 VAL [c=1, x=2147483647, z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 119.5MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.76ms. Allocated memory is still 151.0MB. Free memory was 123.8MB in the beginning and 112.2MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.03ms. Allocated memory is still 151.0MB. Free memory was 112.2MB in the beginning and 110.6MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.56ms. Allocated memory is still 151.0MB. Free memory was 110.6MB in the beginning and 109.9MB in the end (delta: 683.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 421.76ms. Allocated memory is still 151.0MB. Free memory was 109.4MB in the beginning and 98.8MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2114.99ms. Allocated memory is still 151.0MB. Free memory was 98.8MB in the beginning and 90.5MB in the end (delta: 8.3MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Witness Printer took 52.65ms. Allocated memory is still 151.0MB. Free memory was 90.5MB in the beginning and 89.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:31:17,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d525e833-4f71-45fd-8ab3-07174da8677f/bin/ukojak-verify-ImItNfHLgk/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)