./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/gcd1-alloca.i --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_8c2a5076-0548-4431-b06c-4fb9facfc89f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2a5076-0548-4431-b06c-4fb9facfc89f/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_8c2a5076-0548-4431-b06c-4fb9facfc89f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2a5076-0548-4431-b06c-4fb9facfc89f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/gcd1-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2a5076-0548-4431-b06c-4fb9facfc89f/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_8c2a5076-0548-4431-b06c-4fb9facfc89f/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 dbeb9f947cec8628096a17298becb379047c46a0d943e4ea9c16db72c8a208b4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:55:28,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:55:28,295 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2a5076-0548-4431-b06c-4fb9facfc89f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:55:28,300 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:55:28,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:55:28,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:55:28,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:55:28,338 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:55:28,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:55:28,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:55:28,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:55:28,340 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:55:28,340 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:55:28,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:55:28,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:55:28,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:55:28,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:55:28,342 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:55:28,342 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:55:28,342 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:55:28,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:55:28,343 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:55:28,343 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:55:28,343 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:55:28,343 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:55:28,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:55:28,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:55:28,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:55:28,344 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:55:28,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:55:28,344 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:55:28,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:55:28,344 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_8c2a5076-0548-4431-b06c-4fb9facfc89f/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 -> dbeb9f947cec8628096a17298becb379047c46a0d943e4ea9c16db72c8a208b4 [2024-11-13 20:55:28,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:55:28,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:55:28,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:55:28,704 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:55:28,705 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:55:28,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2a5076-0548-4431-b06c-4fb9facfc89f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-memory-alloca/gcd1-alloca.i Unable to find full path for "g++" [2024-11-13 20:55:30,641 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:55:30,957 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:55:30,958 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2a5076-0548-4431-b06c-4fb9facfc89f/sv-benchmarks/c/termination-memory-alloca/gcd1-alloca.i [2024-11-13 20:55:30,972 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2a5076-0548-4431-b06c-4fb9facfc89f/bin/ukojak-verify-EEHR8qb7sm/data/4f2926ace/74a84c133dd54f5baddf110d52e1b3ef/FLAG48b0aed95 [2024-11-13 20:55:30,994 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2a5076-0548-4431-b06c-4fb9facfc89f/bin/ukojak-verify-EEHR8qb7sm/data/4f2926ace/74a84c133dd54f5baddf110d52e1b3ef [2024-11-13 20:55:30,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:55:30,999 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:55:31,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:55:31,000 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:55:31,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:55:31,006 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:55:30" (1/1) ... [2024-11-13 20:55:31,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@479d9d3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:31, skipping insertion in model container [2024-11-13 20:55:31,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:55:30" (1/1) ... [2024-11-13 20:55:31,048 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:55:31,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:55:31,346 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:55:31,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:55:31,411 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:55:31,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:31 WrapperNode [2024-11-13 20:55:31,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:55:31,413 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:55:31,414 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:55:31,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:55:31,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:31" (1/1) ... [2024-11-13 20:55:31,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:31" (1/1) ... [2024-11-13 20:55:31,456 INFO L138 Inliner]: procedures = 111, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2024-11-13 20:55:31,458 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:55:31,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:55:31,459 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:55:31,459 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:55:31,465 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:31" (1/1) ... [2024-11-13 20:55:31,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:31" (1/1) ... [2024-11-13 20:55:31,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:31" (1/1) ... [2024-11-13 20:55:31,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:31" (1/1) ... [2024-11-13 20:55:31,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:31" (1/1) ... [2024-11-13 20:55:31,491 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:31" (1/1) ... [2024-11-13 20:55:31,492 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:31" (1/1) ... [2024-11-13 20:55:31,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:31" (1/1) ... [2024-11-13 20:55:31,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:55:31,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:55:31,500 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:55:31,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:55:31,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:31" (1/1) ... [2024-11-13 20:55:31,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:55:31,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2a5076-0548-4431-b06c-4fb9facfc89f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:55:31,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2a5076-0548-4431-b06c-4fb9facfc89f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:55:31,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2a5076-0548-4431-b06c-4fb9facfc89f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:55:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:55:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:55:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:55:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:55:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:55:31,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:55:31,706 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:55:31,708 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:55:31,875 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 20:55:31,875 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:55:31,908 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:55:31,909 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:55:31,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:31 BoogieIcfgContainer [2024-11-13 20:55:31,909 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:55:31,910 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:55:31,910 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:55:31,920 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:55:31,920 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:31" (1/1) ... [2024-11-13 20:55:31,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:55:31,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:31,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2024-11-13 20:55:31,974 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-11-13 20:55:31,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:55:31,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:31,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:55:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:32,242 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 20:55:32,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:32,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-11-13 20:55:32,300 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-13 20:55:32,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:55:32,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:32,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:55:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:32,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:55:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:32,432 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:55:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:32,458 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:55:32,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:55:32 ImpRootNode [2024-11-13 20:55:32,488 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:55:32,488 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:55:32,489 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:55:32,489 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:55:32,489 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:31" (3/4) ... [2024-11-13 20:55:32,490 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 20:55:32,524 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2a5076-0548-4431-b06c-4fb9facfc89f/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:55:32,525 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:55:32,525 INFO L158 Benchmark]: Toolchain (without parser) took 1526.91ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 58.6MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 20:55:32,528 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:32,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.78ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 101.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:55:32,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.67ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 100.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:32,529 INFO L158 Benchmark]: Boogie Preprocessor took 40.87ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 99.3MB in the end (delta: 684.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:32,529 INFO L158 Benchmark]: RCFGBuilder took 409.20ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 84.6MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:55:32,530 INFO L158 Benchmark]: CodeCheck took 577.95ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 60.5MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 20:55:32,530 INFO L158 Benchmark]: Witness Printer took 36.26ms. Allocated memory is still 142.6MB. Free memory was 60.5MB in the beginning and 58.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:32,533 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, 23 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 553]: integer overflow possible integer overflow possible We found a FailurePath: [L565] int x,y; [L566] x = __VERIFIER_nondet_int() [L567] y = __VERIFIER_nondet_int() [L568] CALL gcd(x,y) [L548] int* x_ref = __builtin_alloca (sizeof(int)); [L549] int* y_ref = __builtin_alloca (sizeof(int)); [L550] int* r = __builtin_alloca (sizeof(int)); [L551] *x_ref = x [L552] *y_ref = y [L553] EXPR \read(*x_ref) VAL [r={3569:0}, x_ref={3567:0}, y_ref={3568:0}] [L553] COND TRUE *x_ref < 0 [L553] EXPR \read(*x_ref) VAL [r={3569:0}, x_ref={3567:0}, y_ref={3568:0}] [L553] -(*x_ref) VAL [r={3569:0}, x_ref={3567:0}, y_ref={3568:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.78ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 101.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.67ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 100.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.87ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 99.3MB in the end (delta: 684.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 409.20ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 84.6MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 577.95ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 60.5MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 36.26ms. Allocated memory is still 142.6MB. Free memory was 60.5MB in the beginning and 58.6MB 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 20:55:32,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c2a5076-0548-4431-b06c-4fb9facfc89f/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)