./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex1.03.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168e949c-6290-45c2-852b-ce0e2219fb82/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168e949c-6290-45c2-852b-ce0e2219fb82/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168e949c-6290-45c2-852b-ce0e2219fb82/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168e949c-6290-45c2-852b-ce0e2219fb82/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex1.03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168e949c-6290-45c2-852b-ce0e2219fb82/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168e949c-6290-45c2-852b-ce0e2219fb82/bin/ukojak-verify-afCqCEvfdi --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 1cbace5580915338bbd4f6efe69f1fa46dac7d6ce729fb2189890b13c893a5f0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:18:22,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:18:22,585 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168e949c-6290-45c2-852b-ce0e2219fb82/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:18:22,592 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:18:22,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:18:22,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:18:22,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:18:22,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:18:22,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:18:22,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:18:22,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:18:22,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:18:22,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:18:22,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:18:22,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:18:22,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:18:22,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:18:22,654 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:18:22,654 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:18:22,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:18:22,655 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:18:22,656 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:18:22,657 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:18:22,657 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:18:22,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:18:22,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:22,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:18:22,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:18:22,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:18:22,660 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:18:22,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:18:22,661 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:18:22,662 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_168e949c-6290-45c2-852b-ce0e2219fb82/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168e949c-6290-45c2-852b-ce0e2219fb82/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cbace5580915338bbd4f6efe69f1fa46dac7d6ce729fb2189890b13c893a5f0 [2023-11-24 22:18:23,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:18:23,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:18:23,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:18:23,063 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:18:23,064 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:18:23,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168e949c-6290-45c2-852b-ce0e2219fb82/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex1.03.c [2023-11-24 22:18:26,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:18:26,788 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:18:26,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168e949c-6290-45c2-852b-ce0e2219fb82/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex1.03.c [2023-11-24 22:18:26,797 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168e949c-6290-45c2-852b-ce0e2219fb82/bin/ukojak-verify-afCqCEvfdi/data/0e40f8f7d/6c6f7ec5f65e45b08d0a2d3fa8154888/FLAGedb97248f [2023-11-24 22:18:26,814 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168e949c-6290-45c2-852b-ce0e2219fb82/bin/ukojak-verify-afCqCEvfdi/data/0e40f8f7d/6c6f7ec5f65e45b08d0a2d3fa8154888 [2023-11-24 22:18:26,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:18:26,821 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:18:26,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:26,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:18:26,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:18:26,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:26" (1/1) ... [2023-11-24 22:18:26,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3836b4c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:26, skipping insertion in model container [2023-11-24 22:18:26,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:26" (1/1) ... [2023-11-24 22:18:26,853 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:18:27,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:27,032 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:18:27,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:27,061 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:18:27,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27 WrapperNode [2023-11-24 22:18:27,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:27,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:27,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:18:27,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:18:27,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:27,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:27,093 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2023-11-24 22:18:27,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:27,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:18:27,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:18:27,095 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:18:27,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:27,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:27,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:27,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:27,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:27,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:27,112 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:27,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:27,119 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:18:27,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:18:27,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:18:27,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:18:27,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:27,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:27,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168e949c-6290-45c2-852b-ce0e2219fb82/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:18:27,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168e949c-6290-45c2-852b-ce0e2219fb82/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:18:27,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168e949c-6290-45c2-852b-ce0e2219fb82/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:18:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:18:27,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:18:27,282 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:18:27,285 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:18:27,420 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:18:27,451 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:18:27,451 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:18:27,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:27 BoogieIcfgContainer [2023-11-24 22:18:27,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:18:27,456 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:18:27,457 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:18:27,468 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:18:27,468 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:27,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:18:27,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:27,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2023-11-24 22:18:27,548 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2023-11-24 22:18:27,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:18:27,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:27,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:27,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:18:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:27,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:18:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:27,765 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:18:27,790 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2 could not be translated [2023-11-24 22:18:27,792 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2 could not be translated [2023-11-24 22:18:27,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:18:27 ImpRootNode [2023-11-24 22:18:27,795 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:18:27,797 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:18:27,797 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:18:27,798 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:18:27,799 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:27" (3/4) ... [2023-11-24 22:18:27,801 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 22:18:27,805 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2 could not be translated [2023-11-24 22:18:27,805 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short2 could not be translated [2023-11-24 22:18:27,847 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168e949c-6290-45c2-852b-ce0e2219fb82/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:18:27,847 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:18:27,848 INFO L158 Benchmark]: Toolchain (without parser) took 1027.02ms. Allocated memory is still 159.4MB. Free memory was 117.1MB in the beginning and 128.7MB in the end (delta: -11.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:27,848 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 107.0MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:27,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.01ms. Allocated memory is still 159.4MB. Free memory was 117.1MB in the beginning and 107.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 22:18:27,850 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.60ms. Allocated memory is still 159.4MB. Free memory was 107.8MB in the beginning and 106.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:18:27,850 INFO L158 Benchmark]: Boogie Preprocessor took 25.20ms. Allocated memory is still 159.4MB. Free memory was 106.5MB in the beginning and 105.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:27,851 INFO L158 Benchmark]: RCFGBuilder took 333.38ms. Allocated memory is still 159.4MB. Free memory was 105.3MB in the beginning and 96.2MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:18:27,852 INFO L158 Benchmark]: CodeCheck took 338.75ms. Allocated memory is still 159.4MB. Free memory was 95.7MB in the beginning and 130.7MB in the end (delta: -35.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:27,852 INFO L158 Benchmark]: Witness Printer took 50.14ms. Allocated memory is still 159.4MB. Free memory was 130.7MB in the beginning and 128.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:18:27,856 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, 10 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 26]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, oldx; [L24] x = __VERIFIER_nondet_int() [L25] oldx = __VERIFIER_nondet_int() [L26] x > 1 && -2*x == oldx VAL [x=0, x=1073741825] [L26] -2*x VAL [x=0, x=1073741825] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 107.0MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.01ms. Allocated memory is still 159.4MB. Free memory was 117.1MB in the beginning and 107.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.60ms. Allocated memory is still 159.4MB. Free memory was 107.8MB in the beginning and 106.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.20ms. Allocated memory is still 159.4MB. Free memory was 106.5MB in the beginning and 105.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 333.38ms. Allocated memory is still 159.4MB. Free memory was 105.3MB in the beginning and 96.2MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 338.75ms. Allocated memory is still 159.4MB. Free memory was 95.7MB in the beginning and 130.7MB in the end (delta: -35.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 50.14ms. Allocated memory is still 159.4MB. Free memory was 130.7MB in the beginning and 128.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short2 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-24 22:18:27,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168e949c-6290-45c2-852b-ce0e2219fb82/bin/ukojak-verify-afCqCEvfdi/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)