./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/gcd_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_d79c679f-b0f3-426a-9635-a7056a9d2a65/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79c679f-b0f3-426a-9635-a7056a9d2a65/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_d79c679f-b0f3-426a-9635-a7056a9d2a65/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79c679f-b0f3-426a-9635-a7056a9d2a65/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79c679f-b0f3-426a-9635-a7056a9d2a65/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79c679f-b0f3-426a-9635-a7056a9d2a65/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 32bit --witnessprinter.graph.data.programhash 739715c3f9b6cd78741b6d155210624f17d4bf167a3be4c6127f06707080edde --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:32:05,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:32:05,518 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79c679f-b0f3-426a-9635-a7056a9d2a65/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 20:32:05,527 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:32:05,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:32:05,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:32:05,550 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:32:05,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:32:05,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:32:05,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:32:05,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:32:05,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:32:05,552 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:32:05,552 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:32:05,552 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:32:05,552 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:32:05,552 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:32:05,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:32:05,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:32:05,552 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:32:05,553 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:32:05,553 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:32:05,553 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:32:05,553 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:32:05,553 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:32:05,553 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:32:05,553 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:32:05,553 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:32:05,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:32:05,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:32:05,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:32:05,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:32:05,554 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:32:05,554 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:32:05,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:32:05,554 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_d79c679f-b0f3-426a-9635-a7056a9d2a65/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739715c3f9b6cd78741b6d155210624f17d4bf167a3be4c6127f06707080edde [2024-11-13 20:32:05,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:32:05,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:32:05,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:32:05,835 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:32:05,835 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:32:05,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79c679f-b0f3-426a-9635-a7056a9d2a65/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/bitvector/gcd_1.c Unable to find full path for "g++" [2024-11-13 20:32:07,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:32:07,949 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:32:07,950 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79c679f-b0f3-426a-9635-a7056a9d2a65/sv-benchmarks/c/bitvector/gcd_1.c [2024-11-13 20:32:07,966 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79c679f-b0f3-426a-9635-a7056a9d2a65/bin/ukojak-verify-EEHR8qb7sm/data/d03941f13/2dff3fc82d654df5a5cddc445e9665ce/FLAGbacf3ee0b [2024-11-13 20:32:08,247 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79c679f-b0f3-426a-9635-a7056a9d2a65/bin/ukojak-verify-EEHR8qb7sm/data/d03941f13/2dff3fc82d654df5a5cddc445e9665ce [2024-11-13 20:32:08,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:32:08,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:32:08,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:32:08,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:32:08,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:32:08,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:32:08" (1/1) ... [2024-11-13 20:32:08,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53407db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:08, skipping insertion in model container [2024-11-13 20:32:08,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:32:08" (1/1) ... [2024-11-13 20:32:08,273 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:32:08,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:32:08,476 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:32:08,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:32:08,511 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:32:08,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:08 WrapperNode [2024-11-13 20:32:08,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:32:08,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:32:08,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:32:08,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:32:08,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:08" (1/1) ... [2024-11-13 20:32:08,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:08" (1/1) ... [2024-11-13 20:32:08,553 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2024-11-13 20:32:08,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:32:08,554 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:32:08,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:32:08,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:32:08,561 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:08" (1/1) ... [2024-11-13 20:32:08,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:08" (1/1) ... [2024-11-13 20:32:08,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:08" (1/1) ... [2024-11-13 20:32:08,568 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:08" (1/1) ... [2024-11-13 20:32:08,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:08" (1/1) ... [2024-11-13 20:32:08,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:08" (1/1) ... [2024-11-13 20:32:08,582 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:08" (1/1) ... [2024-11-13 20:32:08,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:08" (1/1) ... [2024-11-13 20:32:08,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:32:08,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:32:08,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:32:08,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:32:08,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:08" (1/1) ... [2024-11-13 20:32:08,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:32:08,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79c679f-b0f3-426a-9635-a7056a9d2a65/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:32:08,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79c679f-b0f3-426a-9635-a7056a9d2a65/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:32:08,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79c679f-b0f3-426a-9635-a7056a9d2a65/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:32:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:32:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:32:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:32:08,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:32:08,748 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:32:08,750 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:32:08,922 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 20:32:08,922 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:32:09,000 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:32:09,000 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:32:09,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:32:09 BoogieIcfgContainer [2024-11-13 20:32:09,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:32:09,001 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:32:09,001 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:32:09,013 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:32:09,014 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:32:09" (1/1) ... [2024-11-13 20:32:09,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:32:09,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:09,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 20:32:09,082 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 20:32:09,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:32:09,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:09,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:09,297 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 20:32:09,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:09,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-13 20:32:09,355 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-13 20:32:09,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:32:09,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:09,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:09,486 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 20:32:09,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:09,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-13 20:32:09,669 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-13 20:32:09,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 20:32:09,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:09,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:09,786 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 20:32:09,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:09,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-13 20:32:09,822 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-13 20:32:09,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:32:09,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:09,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:09,938 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 20:32:10,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:10,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-11-13 20:32:10,095 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-11-13 20:32:10,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:32:10,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:10,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:10,168 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 20:32:10,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:10,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 20:32:10,303 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 20:32:10,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:32:10,304 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-13 20:32:10,314 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 20:32:10,346 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2024-11-13 20:32:10,346 INFO L77 FloydHoareUtils]: At program point L27-1(lines 27 31) the Hoare annotation is: true [2024-11-13 20:32:10,346 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2024-11-13 20:32:10,347 INFO L77 FloydHoareUtils]: At program point L24(line 24) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_gcd_test_~b#1|) (<= 0 (+ |ULTIMATE.start_gcd_test_~a#1| 128))) [2024-11-13 20:32:10,347 INFO L77 FloydHoareUtils]: At program point L24-1(line 24) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_gcd_test_~b#1|) (<= 0 (+ |ULTIMATE.start_gcd_test_~a#1| 128)) (<= (+ |ULTIMATE.start_gcd_test_~a#1| 1) 0)) [2024-11-13 20:32:10,347 INFO L77 FloydHoareUtils]: At program point L24-2(line 24) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_gcd_test_~b#1|) (<= 0 (+ |ULTIMATE.start_gcd_test_~a#1| 128))) [2024-11-13 20:32:10,347 INFO L77 FloydHoareUtils]: At program point L24-4(lines 21 33) the Hoare annotation is: (<= 1 |ULTIMATE.start_gcd_test_~b#1|) [2024-11-13 20:32:10,347 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2024-11-13 20:32:10,348 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:32:10,348 INFO L75 FloydHoareUtils]: For program point L25(line 25) no Hoare annotation was computed. [2024-11-13 20:32:10,348 INFO L75 FloydHoareUtils]: For program point L25-1(line 25) no Hoare annotation was computed. [2024-11-13 20:32:10,348 INFO L77 FloydHoareUtils]: At program point L42(lines 42 46) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 128)) [2024-11-13 20:32:10,348 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:32:10,348 INFO L77 FloydHoareUtils]: At program point L42-2(lines 42 46) the Hoare annotation is: true [2024-11-13 20:32:10,348 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2024-11-13 20:32:10,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:32:10 ImpRootNode [2024-11-13 20:32:10,361 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:32:10,362 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:32:10,362 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:32:10,362 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:32:10,363 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:32:09" (3/4) ... [2024-11-13 20:32:10,365 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:32:10,373 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-13 20:32:10,374 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-13 20:32:10,374 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 20:32:10,374 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:32:10,374 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:32:10,451 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79c679f-b0f3-426a-9635-a7056a9d2a65/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:32:10,452 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79c679f-b0f3-426a-9635-a7056a9d2a65/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:32:10,452 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:32:10,453 INFO L158 Benchmark]: Toolchain (without parser) took 2201.37ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 90.1MB in the end (delta: 27.2MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2024-11-13 20:32:10,453 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:32:10,453 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.57ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 106.6MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:32:10,454 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.87ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:32:10,454 INFO L158 Benchmark]: Boogie Preprocessor took 30.53ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.4MB in the end (delta: 822.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:32:10,454 INFO L158 Benchmark]: RCFGBuilder took 415.36ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 91.1MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:32:10,455 INFO L158 Benchmark]: CodeCheck took 1359.44ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 94.8MB in the end (delta: -3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:32:10,455 INFO L158 Benchmark]: Witness Printer took 89.87ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 90.1MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:32:10,456 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, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 83 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 167 IncrementalHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 26 mSDtfsCounter, 167 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 207 GetRequests, 182 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 67 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.57ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 106.6MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.87ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.53ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.4MB in the end (delta: 822.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 415.36ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 91.1MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1359.44ms. Allocated memory is still 142.6MB. Free memory was 91.1MB in the beginning and 94.8MB in the end (delta: -3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 89.87ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 90.1MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 20:32:10,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79c679f-b0f3-426a-9635-a7056a9d2a65/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE