./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1b.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68f951d-d9be-422b-a392-6bc772eb464c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68f951d-d9be-422b-a392-6bc772eb464c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68f951d-d9be-422b-a392-6bc772eb464c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68f951d-d9be-422b-a392-6bc772eb464c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68f951d-d9be-422b-a392-6bc772eb464c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68f951d-d9be-422b-a392-6bc772eb464c/bin/ukojak-verify-EEHR8qb7sm --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 68a9d192571af20a9caff88653fa376c42853b2f0586dd5e85037ba45183dc65 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:00:19,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:00:19,543 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68f951d-d9be-422b-a392-6bc772eb464c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:00:19,550 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:00:19,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:00:19,583 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:00:19,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:00:19,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:00:19,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:00:19,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:00:19,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:00:19,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:00:19,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:00:19,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:00:19,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:00:19,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:00:19,589 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:00:19,589 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:00:19,589 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:00:19,590 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:00:19,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:00:19,590 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:00:19,590 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:00:19,590 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:00:19,590 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:00:19,590 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:00:19,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:00:19,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:00:19,590 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:00:19,590 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:00:19,590 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:00:19,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:00:19,591 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a68f951d-d9be-422b-a392-6bc772eb464c/bin/ukojak-verify-EEHR8qb7sm 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 -> 68a9d192571af20a9caff88653fa376c42853b2f0586dd5e85037ba45183dc65 [2024-11-13 21:00:19,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:00:19,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:00:19,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:00:19,980 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:00:19,981 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:00:19,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68f951d-d9be-422b-a392-6bc772eb464c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1b.c Unable to find full path for "g++" [2024-11-13 21:00:22,148 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:00:22,495 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:00:22,497 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68f951d-d9be-422b-a392-6bc772eb464c/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1b.c [2024-11-13 21:00:22,519 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68f951d-d9be-422b-a392-6bc772eb464c/bin/ukojak-verify-EEHR8qb7sm/data/16fbb0a32/06684bde6bcf4e8b9f4a1476c852055a/FLAG52282dc0d [2024-11-13 21:00:22,542 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68f951d-d9be-422b-a392-6bc772eb464c/bin/ukojak-verify-EEHR8qb7sm/data/16fbb0a32/06684bde6bcf4e8b9f4a1476c852055a [2024-11-13 21:00:22,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:00:22,546 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:00:22,548 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:00:22,548 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:00:22,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:00:22,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:00:22" (1/1) ... [2024-11-13 21:00:22,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22b26861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:22, skipping insertion in model container [2024-11-13 21:00:22,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:00:22" (1/1) ... [2024-11-13 21:00:22,573 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:00:22,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:00:22,810 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:00:22,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:00:22,848 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:00:22,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:22 WrapperNode [2024-11-13 21:00:22,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:00:22,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:00:22,851 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:00:22,851 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:00:22,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:22" (1/1) ... [2024-11-13 21:00:22,864 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:22" (1/1) ... [2024-11-13 21:00:22,884 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2024-11-13 21:00:22,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:00:22,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:00:22,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:00:22,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:00:22,894 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:22" (1/1) ... [2024-11-13 21:00:22,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:22" (1/1) ... [2024-11-13 21:00:22,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:22" (1/1) ... [2024-11-13 21:00:22,898 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:22" (1/1) ... [2024-11-13 21:00:22,900 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:22" (1/1) ... [2024-11-13 21:00:22,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:22" (1/1) ... [2024-11-13 21:00:22,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:22" (1/1) ... [2024-11-13 21:00:22,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:22" (1/1) ... [2024-11-13 21:00:22,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:00:22,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:00:22,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:00:22,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:00:22,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:00:22" (1/1) ... [2024-11-13 21:00:22,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:00:22,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68f951d-d9be-422b-a392-6bc772eb464c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:00:22,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68f951d-d9be-422b-a392-6bc772eb464c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:00:22,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68f951d-d9be-422b-a392-6bc772eb464c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:00:22,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:00:22,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:00:23,095 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:00:23,097 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:00:23,271 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 21:00:23,272 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:00:23,346 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:00:23,347 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 21:00:23,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:00:23 BoogieIcfgContainer [2024-11-13 21:00:23,351 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:00:23,352 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:00:23,352 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:00:23,375 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:00:23,376 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:00:23" (1/1) ... [2024-11-13 21:00:23,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:00:23,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:00:23,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-13 21:00:23,460 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 21:00:23,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:00:23,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:00:23,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:00:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:00:23,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:00:23,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:00:23,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2024-11-13 21:00:23,658 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-13 21:00:23,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:00:23,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:00:23,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:00:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:00:23,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:00:23,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:00:23,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2024-11-13 21:00:23,839 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2024-11-13 21:00:23,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:00:23,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:00:23,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:00:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:00:24,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:00:24,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:00:24,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2024-11-13 21:00:24,237 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-11-13 21:00:24,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:00:24,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:00:24,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:00:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:00:24,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:00:24,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:00:24,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-11-13 21:00:24,684 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-13 21:00:24,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:00:24,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:00:24,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:00:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:00:24,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:00:25,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:00:25,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2024-11-13 21:00:25,261 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2024-11-13 21:00:25,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:00:25,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:00:25,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:00:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:00:25,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:00:26,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:00:26,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2024-11-13 21:00:26,091 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-11-13 21:00:26,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:00:26,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:00:26,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:00:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:00:26,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:00:26,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:00:26,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2024-11-13 21:00:26,423 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2024-11-13 21:00:26,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:00:26,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:00:26,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:00:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:00:26,448 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:00:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:00:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:00:26,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:00:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:00:26,526 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2024-11-13 21:00:26,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:00:26 ImpRootNode [2024-11-13 21:00:26,561 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:00:26,562 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:00:26,562 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:00:26,562 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:00:26,563 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:00:23" (3/4) ... [2024-11-13 21:00:26,565 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 21:00:26,614 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68f951d-d9be-422b-a392-6bc772eb464c/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:00:26,614 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:00:26,615 INFO L158 Benchmark]: Toolchain (without parser) took 4069.67ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 52.8MB in the end (delta: 66.7MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2024-11-13 21:00:26,618 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:00:26,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.41ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 109.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:00:26,619 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.65ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 108.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:00:26,620 INFO L158 Benchmark]: Boogie Preprocessor took 25.44ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 107.8MB in the end (delta: 553.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:00:26,620 INFO L158 Benchmark]: RCFGBuilder took 439.04ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 95.4MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:00:26,620 INFO L158 Benchmark]: CodeCheck took 3209.65ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 54.7MB in the end (delta: 40.7MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2024-11-13 21:00:26,621 INFO L158 Benchmark]: Witness Printer took 52.26ms. Allocated memory is still 142.6MB. Free memory was 54.7MB in the beginning and 52.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:00:26,626 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, 19 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 221 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137 mSDsluCounter, 162 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 92 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 389 IncrementalHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 70 mSDtfsCounter, 389 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 395 GetRequests, 331 SyntacticMatches, 6 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1143 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 118 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 2/2 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: 24]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x, y, n; [L15] n = __VERIFIER_nondet_int() [L16] x = __VERIFIER_nondet_int() [L17] y = __VERIFIER_nondet_int() [L18] COND TRUE x >= 0 VAL [n=2147483647, x=1, y=2147483647] [L19] y >= 0 && __VERIFIER_nondet_int() != 0 [L19] y >= 0 && __VERIFIER_nondet_int() != 0 VAL [n=2147483647, x=1, y=2147483647] [L19] COND FALSE !(y >= 0 && __VERIFIER_nondet_int() != 0) [L22] EXPR x - 1 [L22] x = x - 1 VAL [n=2147483647, x=0, y=2147483647] [L23] y <= n && __VERIFIER_nondet_int() != 0 [L23] y <= n && __VERIFIER_nondet_int() != 0 VAL [n=2147483647, x=0, y=2147483647] [L23] COND TRUE y <= n && __VERIFIER_nondet_int() != 0 [L24] y + 1 VAL [n=2147483647, x=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.41ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 109.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.65ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 108.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.44ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 107.8MB in the end (delta: 553.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 439.04ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 95.4MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3209.65ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 54.7MB in the end (delta: 40.7MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. * Witness Printer took 52.26ms. Allocated memory is still 142.6MB. Free memory was 54.7MB in the beginning and 52.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 21:00:26,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68f951d-d9be-422b-a392-6bc772eb464c/bin/ukojak-verify-EEHR8qb7sm/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)