./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1b.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_98b3269d-33bf-4e8a-bf87-48597a62fdd6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b3269d-33bf-4e8a-bf87-48597a62fdd6/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_98b3269d-33bf-4e8a-bf87-48597a62fdd6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b3269d-33bf-4e8a-bf87-48597a62fdd6/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b3269d-33bf-4e8a-bf87-48597a62fdd6/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_98b3269d-33bf-4e8a-bf87-48597a62fdd6/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 765fe8332a4535214fe7f81fc3631d62b864e11da39212ecf5fb5a9d7946a5fc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:00:24,735 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:00:24,843 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b3269d-33bf-4e8a-bf87-48597a62fdd6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:00:24,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:00:24,850 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:00:24,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:00:24,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:00:24,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:00:24,896 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:00:24,897 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:00:24,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:00:24,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:00:24,899 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:00:24,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:00:24,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:00:24,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:00:24,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:00:24,904 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:00:24,905 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:00:24,905 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:00:24,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:00:24,909 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:00:24,910 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:00:24,910 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:00:24,910 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:00:24,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:00:24,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:24,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:00:24,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:00:24,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:00:24,912 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:00:24,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:00:24,913 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_98b3269d-33bf-4e8a-bf87-48597a62fdd6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b3269d-33bf-4e8a-bf87-48597a62fdd6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 765fe8332a4535214fe7f81fc3631d62b864e11da39212ecf5fb5a9d7946a5fc [2024-11-09 00:00:25,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:00:25,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:00:25,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:00:25,368 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:00:25,368 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:00:25,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b3269d-33bf-4e8a-bf87-48597a62fdd6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1b.c Unable to find full path for "g++" [2024-11-09 00:00:27,620 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:00:27,792 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:00:27,793 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b3269d-33bf-4e8a-bf87-48597a62fdd6/sv-benchmarks/c/termination-crafted-lit/Masse-VMCAI2014-Fig1b.c [2024-11-09 00:00:27,800 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b3269d-33bf-4e8a-bf87-48597a62fdd6/bin/ukojak-verify-ImItNfHLgk/data/8721b35be/f92f5968f26642e0900c68b19ef3b018/FLAG7a43f2291 [2024-11-09 00:00:27,813 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b3269d-33bf-4e8a-bf87-48597a62fdd6/bin/ukojak-verify-ImItNfHLgk/data/8721b35be/f92f5968f26642e0900c68b19ef3b018 [2024-11-09 00:00:27,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:00:27,818 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:00:27,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:27,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:00:27,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:00:27,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:27" (1/1) ... [2024-11-09 00:00:27,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@754c9239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:27, skipping insertion in model container [2024-11-09 00:00:27,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:27" (1/1) ... [2024-11-09 00:00:27,847 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:00:28,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:28,025 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:00:28,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:28,049 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:00:28,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:28 WrapperNode [2024-11-09 00:00:28,050 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:28,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:28,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:00:28,051 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:00:28,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:28" (1/1) ... [2024-11-09 00:00:28,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:28" (1/1) ... [2024-11-09 00:00:28,074 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2024-11-09 00:00:28,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:28,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:00:28,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:00:28,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:00:28,084 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:28" (1/1) ... [2024-11-09 00:00:28,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:28" (1/1) ... [2024-11-09 00:00:28,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:28" (1/1) ... [2024-11-09 00:00:28,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:28" (1/1) ... [2024-11-09 00:00:28,087 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:28" (1/1) ... [2024-11-09 00:00:28,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:28" (1/1) ... [2024-11-09 00:00:28,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:28" (1/1) ... [2024-11-09 00:00:28,093 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:28" (1/1) ... [2024-11-09 00:00:28,094 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:00:28,095 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:00:28,095 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:00:28,095 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:00:28,096 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:28" (1/1) ... [2024-11-09 00:00:28,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:28,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b3269d-33bf-4e8a-bf87-48597a62fdd6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:00:28,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b3269d-33bf-4e8a-bf87-48597a62fdd6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:00:28,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b3269d-33bf-4e8a-bf87-48597a62fdd6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:00:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:00:28,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:00:28,239 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:00:28,241 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:00:28,340 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 00:00:28,340 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:00:28,361 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:00:28,361 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:00:28,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:28 BoogieIcfgContainer [2024-11-09 00:00:28,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:00:28,363 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:00:28,363 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:00:28,374 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:00:28,375 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:28" (1/1) ... [2024-11-09 00:00:28,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:00:28,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:28,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2024-11-09 00:00:28,454 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-09 00:00:28,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:00:28,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:28,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:28,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:00:28,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:28,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2024-11-09 00:00:28,725 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-11-09 00:00:28,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:00:28,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:28,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:28,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:00:28,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:28,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2024-11-09 00:00:28,822 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-11-09 00:00:28,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:00:28,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:28,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:28,839 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:00:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:28,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:00:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:28,897 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-09 00:00:28,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:00:28 ImpRootNode [2024-11-09 00:00:28,922 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:00:28,923 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:00:28,924 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:00:28,924 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:00:28,924 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:28" (3/4) ... [2024-11-09 00:00:28,925 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 00:00:28,967 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b3269d-33bf-4e8a-bf87-48597a62fdd6/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:00:28,969 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:00:28,970 INFO L158 Benchmark]: Toolchain (without parser) took 1152.04ms. Allocated memory is still 161.5MB. Free memory was 116.4MB in the beginning and 73.5MB in the end (delta: 42.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-09 00:00:28,971 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 161.5MB. Free memory was 128.2MB in the beginning and 128.0MB in the end (delta: 161.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:28,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.27ms. Allocated memory is still 161.5MB. Free memory was 116.4MB in the beginning and 105.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:00:28,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.35ms. Allocated memory is still 161.5MB. Free memory was 105.0MB in the beginning and 103.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:00:28,974 INFO L158 Benchmark]: Boogie Preprocessor took 19.28ms. Allocated memory is still 161.5MB. Free memory was 103.8MB in the beginning and 102.9MB in the end (delta: 955.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:28,975 INFO L158 Benchmark]: RCFGBuilder took 267.64ms. Allocated memory is still 161.5MB. Free memory was 102.9MB in the beginning and 92.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:00:28,977 INFO L158 Benchmark]: CodeCheck took 559.65ms. Allocated memory is still 161.5MB. Free memory was 92.4MB in the beginning and 75.0MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:00:28,978 INFO L158 Benchmark]: Witness Printer took 45.78ms. Allocated memory is still 161.5MB. Free memory was 75.0MB in the beginning and 73.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:28,983 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: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 16 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 20]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x; [L15] x = __VERIFIER_nondet_int() [L16] COND FALSE !(x <= 100) VAL [x=-715827883] [L16] COND TRUE x <= 100 [L17] COND FALSE !(__VERIFIER_nondet_int() != 0) [L20] -3*x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 161.5MB. Free memory was 128.2MB in the beginning and 128.0MB in the end (delta: 161.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.27ms. Allocated memory is still 161.5MB. Free memory was 116.4MB in the beginning and 105.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.35ms. Allocated memory is still 161.5MB. Free memory was 105.0MB in the beginning and 103.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.28ms. Allocated memory is still 161.5MB. Free memory was 103.8MB in the beginning and 102.9MB in the end (delta: 955.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 267.64ms. Allocated memory is still 161.5MB. Free memory was 102.9MB in the beginning and 92.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 559.65ms. Allocated memory is still 161.5MB. Free memory was 92.4MB in the beginning and 75.0MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 45.78ms. Allocated memory is still 161.5MB. Free memory was 75.0MB in the beginning and 73.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-09 00:00:29,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b3269d-33bf-4e8a-bf87-48597a62fdd6/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)