./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 318f2e3ad64ca294baf1dde289a55f9fb4912d80a16ec862d0adf52a5caea970 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:48:02,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:48:02,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:48:02,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:48:02,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:48:02,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:48:02,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:48:02,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:48:02,887 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:48:02,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:48:02,890 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:48:02,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:48:02,891 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:48:02,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:48:02,891 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:48:02,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:48:02,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:48:02,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:48:02,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:48:02,897 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:48:02,898 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:48:02,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:48:02,899 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:48:02,899 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:48:02,900 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:48:02,900 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:48:02,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:48:02,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:48:02,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:48:02,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:48:02,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:48:02,905 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:48:02,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:48:02,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 318f2e3ad64ca294baf1dde289a55f9fb4912d80a16ec862d0adf52a5caea970 [2024-11-08 23:48:03,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:48:03,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:48:03,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:48:03,277 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:48:03,278 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:48:03,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-0.i Unable to find full path for "g++" [2024-11-08 23:48:05,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:48:05,562 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:48:05,563 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-0.i [2024-11-08 23:48:05,572 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/data/fadb24177/d237708c827d489d8cd77ff8e622d4f6/FLAG1b7fcedbb [2024-11-08 23:48:05,588 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/data/fadb24177/d237708c827d489d8cd77ff8e622d4f6 [2024-11-08 23:48:05,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:48:05,593 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:48:05,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:48:05,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:48:05,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:48:05,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:48:05" (1/1) ... [2024-11-08 23:48:05,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b780c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:05, skipping insertion in model container [2024-11-08 23:48:05,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:48:05" (1/1) ... [2024-11-08 23:48:05,635 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:48:05,848 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-0.i[914,927] [2024-11-08 23:48:05,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:48:05,904 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:48:05,920 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-0.i[914,927] [2024-11-08 23:48:05,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:48:05,965 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:48:05,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:05 WrapperNode [2024-11-08 23:48:05,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:48:05,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:48:05,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:48:05,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:48:05,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:05" (1/1) ... [2024-11-08 23:48:05,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:05" (1/1) ... [2024-11-08 23:48:06,019 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2024-11-08 23:48:06,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:48:06,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:48:06,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:48:06,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:48:06,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:05" (1/1) ... [2024-11-08 23:48:06,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:05" (1/1) ... [2024-11-08 23:48:06,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:05" (1/1) ... [2024-11-08 23:48:06,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:05" (1/1) ... [2024-11-08 23:48:06,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:05" (1/1) ... [2024-11-08 23:48:06,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:05" (1/1) ... [2024-11-08 23:48:06,060 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:05" (1/1) ... [2024-11-08 23:48:06,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:05" (1/1) ... [2024-11-08 23:48:06,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:48:06,064 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:48:06,064 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:48:06,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:48:06,065 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:05" (1/1) ... [2024-11-08 23:48:06,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:48:06,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:48:06,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:48:06,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:48:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:48:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:48:06,137 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:48:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:48:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:48:06,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:48:06,221 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:48:06,223 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:48:06,544 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 23:48:06,544 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:48:06,712 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:48:06,712 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:48:06,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:48:06 BoogieIcfgContainer [2024-11-08 23:48:06,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:48:06,713 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:48:06,714 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:48:06,724 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:48:06,725 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:48:06" (1/1) ... [2024-11-08 23:48:06,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:48:06,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:06,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:48:06,811 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:48:06,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 23:48:06,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:06,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:48:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:48:07,021 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:48:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:48:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:48:07,267 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:48:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:48:07,384 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:48:07,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:48:07 ImpRootNode [2024-11-08 23:48:07,449 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:48:07,450 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:48:07,450 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:48:07,450 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:48:07,451 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:48:06" (3/4) ... [2024-11-08 23:48:07,457 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:48:07,459 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:48:07,461 INFO L158 Benchmark]: Toolchain (without parser) took 1867.11ms. Allocated memory is still 163.6MB. Free memory was 123.1MB in the beginning and 126.4MB in the end (delta: -3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:48:07,462 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory was 89.7MB in the beginning and 89.6MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:48:07,463 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.05ms. Allocated memory is still 163.6MB. Free memory was 122.5MB in the beginning and 108.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:48:07,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.47ms. Allocated memory is still 163.6MB. Free memory was 108.9MB in the beginning and 106.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:48:07,464 INFO L158 Benchmark]: Boogie Preprocessor took 43.51ms. Allocated memory is still 163.6MB. Free memory was 106.9MB in the beginning and 105.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:48:07,465 INFO L158 Benchmark]: RCFGBuilder took 648.62ms. Allocated memory is still 163.6MB. Free memory was 105.7MB in the beginning and 83.8MB in the end (delta: 21.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 23:48:07,465 INFO L158 Benchmark]: CodeCheck took 735.65ms. Allocated memory is still 163.6MB. Free memory was 83.8MB in the beginning and 127.2MB in the end (delta: -43.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:48:07,466 INFO L158 Benchmark]: Witness Printer took 9.91ms. Allocated memory is still 163.6MB. Free memory was 127.2MB in the beginning and 126.4MB in the end (delta: 863.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:48:07,472 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, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryArithmeticDOUBLEoperation at line 36, overapproximation of someBinaryDOUBLEComparisonOperation at line 38, overapproximation of someBinaryArithmeticFLOAToperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 25.8; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 128.2; [L25] double var_1_4 = 15.4; [L26] double var_1_5 = 5.25; [L27] unsigned char var_1_6 = 0; [L28] float var_1_7 = 8.125; [L29] float var_1_8 = 0.4; [L30] float var_1_9 = 499.4; [L31] float var_1_10 = 63.16; [L86] isInitial = 1 [L87] FCALL initially() [L88] COND TRUE 1 [L89] FCALL updateLastVariables() [L90] CALL updateVariables() [L62] var_1_2 = __VERIFIER_nondet_uchar() [L63] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L64] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L65] var_1_3 = __VERIFIER_nondet_double() [L66] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_4=77/5, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_4=77/5, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L67] var_1_4 = __VERIFIER_nondet_double() [L68] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L69] var_1_6 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L71] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_8=2/5, var_1_9=2497/5] [L72] var_1_8 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_9=2497/5] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_9=2497/5] [L74] var_1_9 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_6=0, var_1_7=65/8] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1579/25, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_6=0, var_1_7=65/8] [L76] var_1_10 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_6=0, var_1_7=65/8] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_6=0, var_1_7=65/8] [L90] RET updateVariables() [L91] CALL step() [L35] COND TRUE ! var_1_2 [L36] var_1_1 = (var_1_3 - var_1_4) [L40] unsigned char stepLocal_0 = var_1_4 < var_1_3; [L41] COND TRUE stepLocal_0 || var_1_2 [L42] COND FALSE !(\read(var_1_2)) [L48] unsigned char stepLocal_1 = var_1_1 <= (var_1_1 + var_1_3); [L49] COND FALSE !(var_1_2 || stepLocal_1) [L52] COND FALSE !(\read(var_1_6)) [L55] COND FALSE !(\read(var_1_2)) [L91] RET step() [L92] CALL, EXPR property() [L82-L83] return (((! var_1_2) ? (var_1_1 == ((double) (var_1_3 - var_1_4))) : (var_1_1 == ((double) ((((16.2) < (var_1_3)) ? (16.2) : (var_1_3)))))) && (((var_1_4 < var_1_3) || var_1_2) ? (var_1_2 ? (var_1_6 ? (var_1_5 == ((double) var_1_3)) : 1) : 1) : 1)) && ((var_1_2 || (var_1_1 <= (var_1_1 + var_1_3))) ? (var_1_7 == ((float) ((((5.5f) < (((((128.4f) > (var_1_3)) ? (128.4f) : (var_1_3))))) ? (5.5f) : (((((128.4f) > (var_1_3)) ? (128.4f) : (var_1_3)))))))) : (var_1_6 ? (var_1_7 == ((float) ((var_1_8 - var_1_9) + var_1_10))) : (var_1_2 ? (var_1_7 == ((float) var_1_9)) : 1))) ; [L92] RET, EXPR property() [L92] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_1=0, var_1_2=0, var_1_3=0, var_1_5=21/4, var_1_6=0, var_1_7=65/8, var_1_9=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory was 89.7MB in the beginning and 89.6MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.05ms. Allocated memory is still 163.6MB. Free memory was 122.5MB in the beginning and 108.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.47ms. Allocated memory is still 163.6MB. Free memory was 108.9MB in the beginning and 106.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.51ms. Allocated memory is still 163.6MB. Free memory was 106.9MB in the beginning and 105.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 648.62ms. Allocated memory is still 163.6MB. Free memory was 105.7MB in the beginning and 83.8MB in the end (delta: 21.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 735.65ms. Allocated memory is still 163.6MB. Free memory was 83.8MB in the beginning and 127.2MB in the end (delta: -43.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.91ms. Allocated memory is still 163.6MB. Free memory was 127.2MB in the beginning and 126.4MB in the end (delta: 863.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:48:07,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 318f2e3ad64ca294baf1dde289a55f9fb4912d80a16ec862d0adf52a5caea970 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:48:10,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:48:10,178 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:48:10,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:48:10,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:48:10,227 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:48:10,228 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:48:10,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:48:10,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:48:10,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:48:10,232 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:48:10,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:48:10,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:48:10,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:48:10,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:48:10,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:48:10,237 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:48:10,238 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:48:10,238 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:48:10,238 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:48:10,239 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:48:10,243 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:48:10,244 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:48:10,244 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:48:10,244 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:48:10,245 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:48:10,245 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:10,245 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:48:10,245 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:48:10,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:48:10,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:48:10,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:48:10,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:48:10,247 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:48:10,247 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:10,248 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:48:10,248 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 318f2e3ad64ca294baf1dde289a55f9fb4912d80a16ec862d0adf52a5caea970 [2024-11-08 23:48:10,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:48:10,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:48:10,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:48:10,687 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:48:10,688 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:48:10,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-0.i Unable to find full path for "g++" [2024-11-08 23:48:12,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:48:13,008 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:48:13,009 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-0.i [2024-11-08 23:48:13,018 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/data/6abf0edde/7cf55b08ec834987ab095594eb570fcc/FLAG584bb5ae6 [2024-11-08 23:48:13,038 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/data/6abf0edde/7cf55b08ec834987ab095594eb570fcc [2024-11-08 23:48:13,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:48:13,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:48:13,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:48:13,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:48:13,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:48:13,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:48:13" (1/1) ... [2024-11-08 23:48:13,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a3d2d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:13, skipping insertion in model container [2024-11-08 23:48:13,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:48:13" (1/1) ... [2024-11-08 23:48:13,094 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:48:13,292 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-0.i[914,927] [2024-11-08 23:48:13,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:48:13,349 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:48:13,364 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-0.i[914,927] [2024-11-08 23:48:13,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:48:13,408 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:48:13,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:13 WrapperNode [2024-11-08 23:48:13,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:48:13,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:48:13,410 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:48:13,410 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:48:13,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:13" (1/1) ... [2024-11-08 23:48:13,452 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:13" (1/1) ... [2024-11-08 23:48:13,477 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2024-11-08 23:48:13,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:48:13,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:48:13,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:48:13,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:48:13,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:13" (1/1) ... [2024-11-08 23:48:13,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:13" (1/1) ... [2024-11-08 23:48:13,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:13" (1/1) ... [2024-11-08 23:48:13,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:13" (1/1) ... [2024-11-08 23:48:13,513 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:13" (1/1) ... [2024-11-08 23:48:13,525 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:13" (1/1) ... [2024-11-08 23:48:13,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:13" (1/1) ... [2024-11-08 23:48:13,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:13" (1/1) ... [2024-11-08 23:48:13,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:48:13,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:48:13,541 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:48:13,541 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:48:13,542 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:13" (1/1) ... [2024-11-08 23:48:13,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:48:13,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:48:13,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:48:13,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:48:13,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:48:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:48:13,623 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:48:13,623 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:48:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:48:13,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:48:13,719 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:48:13,722 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:48:17,311 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 23:48:17,311 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:48:17,498 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:48:17,499 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:48:17,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:48:17 BoogieIcfgContainer [2024-11-08 23:48:17,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:48:17,500 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:48:17,500 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:48:17,512 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:48:17,515 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:48:17" (1/1) ... [2024-11-08 23:48:17,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:48:17,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:17,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:48:17,593 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:48:17,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 23:48:17,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:17,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:17,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:17,604 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:17,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:48:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:19,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:48:29,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:48:29,768 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 23:48:29,773 INFO L158 Benchmark]: Toolchain (without parser) took 16729.01ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 47.8MB in the beginning and 51.9MB in the end (delta: -4.0MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-11-08 23:48:29,773 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 49.0MB in the end (delta: 97.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:48:29,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.50ms. Allocated memory is still 73.4MB. Free memory was 47.6MB in the beginning and 33.2MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:48:29,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.57ms. Allocated memory is still 73.4MB. Free memory was 33.2MB in the beginning and 50.8MB in the end (delta: -17.6MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2024-11-08 23:48:29,775 INFO L158 Benchmark]: Boogie Preprocessor took 55.04ms. Allocated memory is still 73.4MB. Free memory was 50.8MB in the beginning and 48.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:48:29,776 INFO L158 Benchmark]: RCFGBuilder took 3958.80ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 48.9MB in the beginning and 64.9MB in the end (delta: -16.0MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-11-08 23:48:29,777 INFO L158 Benchmark]: CodeCheck took 12270.62ms. Allocated memory is still 92.3MB. Free memory was 64.5MB in the beginning and 51.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:48:29,781 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 49.0MB in the end (delta: 97.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.50ms. Allocated memory is still 73.4MB. Free memory was 47.6MB in the beginning and 33.2MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.57ms. Allocated memory is still 73.4MB. Free memory was 33.2MB in the beginning and 50.8MB in the end (delta: -17.6MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.04ms. Allocated memory is still 73.4MB. Free memory was 50.8MB in the beginning and 48.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3958.80ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 48.9MB in the beginning and 64.9MB in the end (delta: -16.0MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * CodeCheck took 12270.62ms. Allocated memory is still 92.3MB. Free memory was 64.5MB in the beginning and 51.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:48:29,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec67be40-c806-4d1a-b347-29855abeb382/bin/ukojak-verify-ImItNfHLgk/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown