./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_65_bad.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_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/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_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/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_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/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 a5de20ebc1533743b0a77f3f6a7b08469d144c1592662d7fe7b45eaa73ccb727 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:03:08,621 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:03:08,731 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:03:08,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:03:08,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:03:08,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:03:08,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:03:08,778 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:03:08,779 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:03:08,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:03:08,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:03:08,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:03:08,781 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:03:08,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:03:08,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:03:08,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:03:08,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:03:08,782 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:03:08,782 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:03:08,782 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:03:08,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:03:08,783 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:03:08,783 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:03:08,783 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:03:08,784 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:03:08,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:03:08,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:03:08,784 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:03:08,785 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:03:08,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:03:08,785 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:03:08,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:03:08,785 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_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/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 -> a5de20ebc1533743b0a77f3f6a7b08469d144c1592662d7fe7b45eaa73ccb727 [2024-11-13 23:03:09,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:03:09,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:03:09,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:03:09,254 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:03:09,254 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:03:09,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_65_bad.i Unable to find full path for "g++" [2024-11-13 23:03:11,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:03:12,025 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:03:12,029 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_65_bad.i [2024-11-13 23:03:12,065 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/data/9d2eccc67/8ad6accc9a5e43028087fe2e902c2ddb/FLAGa39fbaab8 [2024-11-13 23:03:12,089 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/data/9d2eccc67/8ad6accc9a5e43028087fe2e902c2ddb [2024-11-13 23:03:12,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:03:12,093 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:03:12,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:03:12,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:03:12,101 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:03:12,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:12" (1/1) ... [2024-11-13 23:03:12,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c13f607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:12, skipping insertion in model container [2024-11-13 23:03:12,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:12" (1/1) ... [2024-11-13 23:03:12,173 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:03:13,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:03:13,294 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:03:13,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:03:13,573 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:03:13,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:13 WrapperNode [2024-11-13 23:03:13,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:03:13,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:03:13,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:03:13,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:03:13,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:13" (1/1) ... [2024-11-13 23:03:13,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:13" (1/1) ... [2024-11-13 23:03:13,625 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 105 [2024-11-13 23:03:13,626 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:03:13,626 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:03:13,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:03:13,626 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:03:13,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:13" (1/1) ... [2024-11-13 23:03:13,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:13" (1/1) ... [2024-11-13 23:03:13,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:13" (1/1) ... [2024-11-13 23:03:13,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:13" (1/1) ... [2024-11-13 23:03:13,643 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:13" (1/1) ... [2024-11-13 23:03:13,645 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:13" (1/1) ... [2024-11-13 23:03:13,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:13" (1/1) ... [2024-11-13 23:03:13,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:13" (1/1) ... [2024-11-13 23:03:13,650 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:03:13,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:03:13,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:03:13,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:03:13,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:13" (1/1) ... [2024-11-13 23:03:13,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:03:13,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:03:13,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:03:13,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:03:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:03:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:03:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:03:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:03:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:03:13,845 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:03:13,847 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:03:14,078 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-11-13 23:03:14,079 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:03:14,354 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:03:14,355 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:03:14,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:14 BoogieIcfgContainer [2024-11-13 23:03:14,355 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:03:14,356 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:03:14,356 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:03:14,368 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:03:14,368 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:14" (1/1) ... [2024-11-13 23:03:14,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:03:14,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:14,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:03:14,449 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:03:14,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:03:14,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:14,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:15,043 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 23:03:15,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:15,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-13 23:03:15,107 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-13 23:03:15,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:03:15,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:15,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:03:15,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:03:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:03:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:03:15,540 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:03:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:03:15,594 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 23:03:15,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:03:15 ImpRootNode [2024-11-13 23:03:15,633 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:03:15,633 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:03:15,633 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:03:15,634 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:03:15,635 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:14" (3/4) ... [2024-11-13 23:03:15,638 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:03:15,639 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:03:15,643 INFO L158 Benchmark]: Toolchain (without parser) took 3546.76ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 90.4MB in the beginning and 256.6MB in the end (delta: -166.2MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. [2024-11-13 23:03:15,645 INFO L158 Benchmark]: CDTParser took 1.52ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:03:15,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1479.06ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 81.6MB in the end (delta: 8.5MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 23:03:15,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.73ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 78.7MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:03:15,646 INFO L158 Benchmark]: Boogie Preprocessor took 24.50ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:03:15,647 INFO L158 Benchmark]: RCFGBuilder took 704.05ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 40.0MB in the end (delta: 37.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 23:03:15,647 INFO L158 Benchmark]: CodeCheck took 1276.64ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 40.0MB in the beginning and 256.6MB in the end (delta: -216.6MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-11-13 23:03:15,647 INFO L158 Benchmark]: Witness Printer took 5.82ms. Allocated memory is still 343.9MB. Free memory was 256.6MB in the beginning and 256.6MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:03:15,652 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 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 4 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 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, 0.4s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1560, overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1560] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1560] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL CWE190_Integer_Overflow__int_rand_postinc_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_rand_postinc_65b_badSink; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CALL funcPtr(data) [L1568] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.52ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1479.06ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 81.6MB in the end (delta: 8.5MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.73ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 78.7MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.50ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 704.05ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 40.0MB in the end (delta: 37.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 1276.64ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 40.0MB in the beginning and 256.6MB in the end (delta: -216.6MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Witness Printer took 5.82ms. Allocated memory is still 343.9MB. Free memory was 256.6MB in the beginning and 256.6MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:03:15,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/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_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/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 a5de20ebc1533743b0a77f3f6a7b08469d144c1592662d7fe7b45eaa73ccb727 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:03:18,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:03:18,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:03:18,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:03:18,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:03:18,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:03:18,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:03:18,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:03:18,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:03:18,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:03:18,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:03:18,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:03:18,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:03:18,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:03:18,474 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:03:18,474 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:03:18,474 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:03:18,474 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:03:18,474 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:03:18,474 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:03:18,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:03:18,474 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:03:18,475 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:03:18,475 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:03:18,475 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:03:18,476 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:03:18,477 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:03:18,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:03:18,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:03:18,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:03:18,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:03:18,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:03:18,478 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:03:18,478 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:03:18,478 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:03:18,479 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_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/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 -> a5de20ebc1533743b0a77f3f6a7b08469d144c1592662d7fe7b45eaa73ccb727 [2024-11-13 23:03:18,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:03:18,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:03:18,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:03:18,833 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:03:18,833 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:03:18,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_65_bad.i Unable to find full path for "g++" [2024-11-13 23:03:20,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:03:21,448 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:03:21,448 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_65_bad.i [2024-11-13 23:03:21,476 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/data/ecbcadfd3/4ae865b1661c40539951b71b7af0a372/FLAGb40ac693f [2024-11-13 23:03:21,494 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/data/ecbcadfd3/4ae865b1661c40539951b71b7af0a372 [2024-11-13 23:03:21,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:03:21,498 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:03:21,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:03:21,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:03:21,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:03:21,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:21" (1/1) ... [2024-11-13 23:03:21,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2489afe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:21, skipping insertion in model container [2024-11-13 23:03:21,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:21" (1/1) ... [2024-11-13 23:03:21,559 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:03:22,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:03:22,558 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:03:22,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:03:22,852 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:03:22,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22 WrapperNode [2024-11-13 23:03:22,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:03:22,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:03:22,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:03:22,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:03:22,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22" (1/1) ... [2024-11-13 23:03:22,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22" (1/1) ... [2024-11-13 23:03:22,913 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 65 [2024-11-13 23:03:22,913 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:03:22,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:03:22,914 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:03:22,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:03:22,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22" (1/1) ... [2024-11-13 23:03:22,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22" (1/1) ... [2024-11-13 23:03:22,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22" (1/1) ... [2024-11-13 23:03:22,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22" (1/1) ... [2024-11-13 23:03:22,947 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22" (1/1) ... [2024-11-13 23:03:22,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22" (1/1) ... [2024-11-13 23:03:22,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22" (1/1) ... [2024-11-13 23:03:22,953 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22" (1/1) ... [2024-11-13 23:03:22,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:03:22,957 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:03:22,957 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:03:22,957 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:03:22,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:22" (1/1) ... [2024-11-13 23:03:22,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:03:22,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:03:23,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:03:23,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:03:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:03:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:03:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:03:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:03:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:03:23,223 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:03:23,226 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:03:23,362 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-13 23:03:23,363 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:03:23,445 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:03:23,445 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:03:23,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:23 BoogieIcfgContainer [2024-11-13 23:03:23,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:03:23,451 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:03:23,451 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:03:23,462 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:03:23,462 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:23" (1/1) ... [2024-11-13 23:03:23,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:03:23,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:23,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:03:23,523 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:03:23,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:03:23,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:23,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:03:23,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:03:23,532 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:03:23,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:03:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:23,722 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:03:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:23,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:03:23,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:03:23,791 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 23:03:23,793 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 23:03:23,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 23:03:23,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:23,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-13 23:03:23,819 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-13 23:03:23,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:03:23,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:23,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:03:23,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:03:23,822 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:03:23,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:03:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:03:24,024 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:03:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:03:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:03:24,175 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:03:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:03:24,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 23:03:24,240 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 23:03:24,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:03:24 ImpRootNode [2024-11-13 23:03:24,276 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:03:24,277 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:03:24,278 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:03:24,278 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:03:24,279 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:23" (3/4) ... [2024-11-13 23:03:24,282 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:03:24,283 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:03:24,284 INFO L158 Benchmark]: Toolchain (without parser) took 2786.35ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 75.0MB in the end (delta: 38.4MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-11-13 23:03:24,285 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:03:24,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1353.68ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 50.7MB in the end (delta: 62.7MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-13 23:03:24,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.43ms. Allocated memory is still 142.6MB. Free memory was 50.7MB in the beginning and 47.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:03:24,288 INFO L158 Benchmark]: Boogie Preprocessor took 42.47ms. Allocated memory is still 142.6MB. Free memory was 47.9MB in the beginning and 46.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:03:24,288 INFO L158 Benchmark]: RCFGBuilder took 493.23ms. Allocated memory is still 142.6MB. Free memory was 46.2MB in the beginning and 96.7MB in the end (delta: -50.5MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-13 23:03:24,292 INFO L158 Benchmark]: CodeCheck took 825.36ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 75.0MB in the end (delta: 21.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:03:24,292 INFO L158 Benchmark]: Witness Printer took 6.72ms. Allocated memory is still 142.6MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:03:24,294 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 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 5 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 38 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, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 30 ConjunctsInSsa, 1 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 - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1560. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1560] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1560] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL CWE190_Integer_Overflow__int_rand_postinc_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_rand_postinc_65b_badSink; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CALL funcPtr(data) [L1568] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1353.68ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 50.7MB in the end (delta: 62.7MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.43ms. Allocated memory is still 142.6MB. Free memory was 50.7MB in the beginning and 47.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.47ms. Allocated memory is still 142.6MB. Free memory was 47.9MB in the beginning and 46.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 493.23ms. Allocated memory is still 142.6MB. Free memory was 46.2MB in the beginning and 96.7MB in the end (delta: -50.5MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * CodeCheck took 825.36ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 75.0MB in the end (delta: 21.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.72ms. Allocated memory is still 142.6MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:03:24,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d2e2c0-7b1f-4a66-949c-9b6500ebc8b6/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 Result: UNKNOWN: Overapproximated counterexample