./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.10.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_6dd99a36-6db0-4026-88c2-e57cc7821afe/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd99a36-6db0-4026-88c2-e57cc7821afe/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_6dd99a36-6db0-4026-88c2-e57cc7821afe/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd99a36-6db0-4026-88c2-e57cc7821afe/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd99a36-6db0-4026-88c2-e57cc7821afe/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_6dd99a36-6db0-4026-88c2-e57cc7821afe/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 ee0ccea6b90e9b6a2f2fc862a3a7704844534359e41607705cde2a5dfc759de7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:00:15,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:00:15,602 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd99a36-6db0-4026-88c2-e57cc7821afe/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:00:15,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:00:15,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:00:15,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:00:15,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:00:15,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:00:15,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:00:15,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:00:15,630 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:00:15,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:00:15,631 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:00:15,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:00:15,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:00:15,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:00:15,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:00:15,633 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:00:15,633 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:00:15,634 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:00:15,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:00:15,640 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:00:15,640 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:00:15,640 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:00:15,641 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:00:15,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:00:15,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:00:15,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:00:15,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:00:15,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:00:15,643 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:00:15,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:00:15,647 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_6dd99a36-6db0-4026-88c2-e57cc7821afe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd99a36-6db0-4026-88c2-e57cc7821afe/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee0ccea6b90e9b6a2f2fc862a3a7704844534359e41607705cde2a5dfc759de7 [2024-11-08 23:00:15,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:00:15,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:00:15,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:00:15,945 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:00:15,949 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:00:15,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd99a36-6db0-4026-88c2-e57cc7821afe/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.10.c Unable to find full path for "g++" [2024-11-08 23:00:17,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:00:18,151 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:00:18,152 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd99a36-6db0-4026-88c2-e57cc7821afe/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.10.c [2024-11-08 23:00:18,160 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd99a36-6db0-4026-88c2-e57cc7821afe/bin/ukojak-verify-ImItNfHLgk/data/b26a40388/d009b37f3dbf425bafc2345492cd5acd/FLAG8eeab33e8 [2024-11-08 23:00:18,173 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd99a36-6db0-4026-88c2-e57cc7821afe/bin/ukojak-verify-ImItNfHLgk/data/b26a40388/d009b37f3dbf425bafc2345492cd5acd [2024-11-08 23:00:18,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:00:18,178 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:00:18,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:00:18,179 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:00:18,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:00:18,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:00:18" (1/1) ... [2024-11-08 23:00:18,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4826bd9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:18, skipping insertion in model container [2024-11-08 23:00:18,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:00:18" (1/1) ... [2024-11-08 23:00:18,218 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:00:18,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:00:18,427 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:00:18,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:00:18,458 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:00:18,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:18 WrapperNode [2024-11-08 23:00:18,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:00:18,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:00:18,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:00:18,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:00:18,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:18" (1/1) ... [2024-11-08 23:00:18,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:18" (1/1) ... [2024-11-08 23:00:18,489 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-11-08 23:00:18,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:00:18,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:00:18,490 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:00:18,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:00:18,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:18" (1/1) ... [2024-11-08 23:00:18,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:18" (1/1) ... [2024-11-08 23:00:18,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:18" (1/1) ... [2024-11-08 23:00:18,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:18" (1/1) ... [2024-11-08 23:00:18,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:18" (1/1) ... [2024-11-08 23:00:18,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:18" (1/1) ... [2024-11-08 23:00:18,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:18" (1/1) ... [2024-11-08 23:00:18,506 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:18" (1/1) ... [2024-11-08 23:00:18,507 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:00:18,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:00:18,508 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:00:18,508 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:00:18,509 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:18" (1/1) ... [2024-11-08 23:00:18,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:00:18,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd99a36-6db0-4026-88c2-e57cc7821afe/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:00:18,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd99a36-6db0-4026-88c2-e57cc7821afe/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:00:18,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd99a36-6db0-4026-88c2-e57cc7821afe/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:00:18,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:00:18,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:00:18,642 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:00:18,643 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:00:18,725 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 23:00:18,725 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:00:18,751 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:00:18,752 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:00:18,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:00:18 BoogieIcfgContainer [2024-11-08 23:00:18,753 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:00:18,754 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:00:18,754 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:00:18,765 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:00:18,766 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:00:18" (1/1) ... [2024-11-08 23:00:18,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:00:18,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:18,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-08 23:00:18,832 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-08 23:00:18,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:00:18,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:18,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:19,038 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 23:00:19,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:19,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-11-08 23:00:19,126 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-11-08 23:00:19,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:00:19,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:19,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:19,210 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 23:00:19,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:19,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-08 23:00:19,461 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-08 23:00:19,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:00:19,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:19,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:00:19,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:00:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:00:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:00:19,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:00:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:00:19,513 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-08 23:00:19,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:00:19 ImpRootNode [2024-11-08 23:00:19,539 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:00:19,555 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:00:19,557 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:00:19,558 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:00:19,558 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:00:18" (3/4) ... [2024-11-08 23:00:19,560 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:00:19,594 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd99a36-6db0-4026-88c2-e57cc7821afe/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:00:19,594 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:00:19,595 INFO L158 Benchmark]: Toolchain (without parser) took 1417.11ms. Allocated memory is still 140.5MB. Free memory was 109.3MB in the beginning and 110.4MB in the end (delta: -1.1MB). Peak memory consumption was 136.3kB. Max. memory is 16.1GB. [2024-11-08 23:00:19,595 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:00:19,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.15ms. Allocated memory is still 140.5MB. Free memory was 109.3MB in the beginning and 98.0MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:00:19,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.00ms. Allocated memory is still 140.5MB. Free memory was 98.0MB in the beginning and 96.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:00:19,597 INFO L158 Benchmark]: Boogie Preprocessor took 16.73ms. Allocated memory is still 140.5MB. Free memory was 96.7MB in the beginning and 95.8MB in the end (delta: 921.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:00:19,597 INFO L158 Benchmark]: RCFGBuilder took 245.33ms. Allocated memory is still 140.5MB. Free memory was 95.8MB in the beginning and 85.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:00:19,598 INFO L158 Benchmark]: CodeCheck took 801.10ms. Allocated memory is still 140.5MB. Free memory was 85.9MB in the beginning and 112.2MB in the end (delta: -26.3MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-11-08 23:00:19,598 INFO L158 Benchmark]: Witness Printer took 38.63ms. Allocated memory is still 140.5MB. Free memory was 112.1MB in the beginning and 110.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:00:19,619 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, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 0 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 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: 28]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] COND FALSE !(x > 0 && y < 0) VAL [x=1, y=-2147483648] [L26] COND TRUE x > 0 && y < 0 VAL [x=1, y=-2147483648] [L27] EXPR x + y [L27] x = x + y VAL [x=-2147483647, y=-2147483648] [L28] y - 1 VAL [x=-2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.15ms. Allocated memory is still 140.5MB. Free memory was 109.3MB in the beginning and 98.0MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.00ms. Allocated memory is still 140.5MB. Free memory was 98.0MB in the beginning and 96.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.73ms. Allocated memory is still 140.5MB. Free memory was 96.7MB in the beginning and 95.8MB in the end (delta: 921.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 245.33ms. Allocated memory is still 140.5MB. Free memory was 95.8MB in the beginning and 85.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 801.10ms. Allocated memory is still 140.5MB. Free memory was 85.9MB in the beginning and 112.2MB in the end (delta: -26.3MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Witness Printer took 38.63ms. Allocated memory is still 140.5MB. Free memory was 112.1MB in the beginning and 110.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:00:19,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd99a36-6db0-4026-88c2-e57cc7821afe/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)