./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_1_4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/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_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_1_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm --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 ad34237e996cd331563e8b065d0d5380e94c9435b4bac2fb1e22d28e3c8a5cb6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:50:47,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:50:47,973 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:50:47,984 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:50:47,984 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:50:48,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:50:48,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:50:48,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:50:48,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:50:48,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:50:48,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:50:48,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:50:48,031 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:50:48,031 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:50:48,031 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:50:48,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:50:48,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:50:48,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:50:48,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:50:48,032 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:50:48,032 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:50:48,032 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:50:48,032 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:50:48,033 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:50:48,033 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:50:48,033 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:50:48,033 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:50:48,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:50:48,033 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:50:48,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:50:48,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:50:48,034 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:50:48,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:50:48,035 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_3bbeeb06-c956-4733-8f1f-7f97b57e5144/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 ! 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 -> ad34237e996cd331563e8b065d0d5380e94c9435b4bac2fb1e22d28e3c8a5cb6 [2024-11-13 20:50:48,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:50:48,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:50:48,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:50:48,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:50:48,396 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:50:48,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_1+newton_1_4.i Unable to find full path for "g++" [2024-11-13 20:50:50,452 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:50:50,720 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:50:50,721 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/sv-benchmarks/c/combinations/gcd_1+newton_1_4.i [2024-11-13 20:50:50,731 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/data/508a68460/7b68eee2e664403cb530bf7c5efbf6b6/FLAG304d3a0c8 [2024-11-13 20:50:51,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/data/508a68460/7b68eee2e664403cb530bf7c5efbf6b6 [2024-11-13 20:50:51,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:50:51,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:50:51,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:50:51,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:50:51,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:50:51,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae8c45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51, skipping insertion in model container [2024-11-13 20:50:51,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,083 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:50:51,264 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_3bbeeb06-c956-4733-8f1f-7f97b57e5144/sv-benchmarks/c/combinations/gcd_1+newton_1_4.i[1226,1239] [2024-11-13 20:50:51,322 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_3bbeeb06-c956-4733-8f1f-7f97b57e5144/sv-benchmarks/c/combinations/gcd_1+newton_1_4.i[2786,2799] [2024-11-13 20:50:51,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:50:51,350 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:50:51,362 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_3bbeeb06-c956-4733-8f1f-7f97b57e5144/sv-benchmarks/c/combinations/gcd_1+newton_1_4.i[1226,1239] [2024-11-13 20:50:51,376 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_3bbeeb06-c956-4733-8f1f-7f97b57e5144/sv-benchmarks/c/combinations/gcd_1+newton_1_4.i[2786,2799] [2024-11-13 20:50:51,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:50:51,395 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:50:51,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51 WrapperNode [2024-11-13 20:50:51,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:50:51,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:50:51,398 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:50:51,398 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:50:51,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,428 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,463 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 86 [2024-11-13 20:50:51,467 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:50:51,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:50:51,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:50:51,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:50:51,480 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,485 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,493 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,512 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:50:51,519 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:50:51,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:50:51,519 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:50:51,520 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:51" (1/1) ... [2024-11-13 20:50:51,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:50:51,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:50:51,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:50:51,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:50:51,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:50:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:50:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:50:51,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:50:51,704 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:50:51,707 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:50:51,917 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 20:50:51,917 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:50:52,000 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:50:52,000 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:50:52,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:52 BoogieIcfgContainer [2024-11-13 20:50:52,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:50:52,002 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:50:52,002 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:50:52,018 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:50:52,018 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:52" (1/1) ... [2024-11-13 20:50:52,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:50:52,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:52,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-13 20:50:52,107 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-13 20:50:52,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:50:52,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:52,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:50:52,205 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:50:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:50:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:50:52,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:50:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:50:52,292 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:50:52,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:50:52 ImpRootNode [2024-11-13 20:50:52,313 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:50:52,313 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:50:52,313 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:50:52,314 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:50:52,315 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:52" (3/4) ... [2024-11-13 20:50:52,318 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:50:52,319 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:50:52,320 INFO L158 Benchmark]: Toolchain (without parser) took 1273.23ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 51.2MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 20:50:52,321 INFO L158 Benchmark]: CDTParser took 1.22ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:50:52,321 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.16ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.1MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:50:52,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.30ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.6MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:50:52,322 INFO L158 Benchmark]: Boogie Preprocessor took 49.81ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.7MB in the end (delta: 927.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:50:52,323 INFO L158 Benchmark]: RCFGBuilder took 482.20ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 62.6MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:50:52,323 INFO L158 Benchmark]: CodeCheck took 310.95ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 51.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:50:52,324 INFO L158 Benchmark]: Witness Printer took 5.63ms. Allocated memory is still 117.4MB. Free memory was 51.4MB in the beginning and 51.2MB in the end (delta: 179.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:50:52,327 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 102]: 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 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 80. Possible FailurePath: [L108] COND FALSE !(__VERIFIER_nondet_int()) [L111] CALL main2() [L90] float IN = __VERIFIER_nondet_float(); [L91] CALL assume_abort_if_not(IN > -0.8f && IN < 0.8f) [L75] COND FALSE !(!cond) [L91] RET assume_abort_if_not(IN > -0.8f && IN < 0.8f) [L93] CALL, EXPR f(IN) [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L93] RET, EXPR f(IN) [L93] CALL, EXPR fp(IN) [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L93] RET, EXPR fp(IN) [L93] float x = IN - f(IN)/fp(IN); [L101] COND TRUE !(x < 0.1) [L102] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.22ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.16ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.1MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.30ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.6MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.81ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.7MB in the end (delta: 927.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 482.20ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 62.6MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 310.95ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 51.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.63ms. Allocated memory is still 117.4MB. Free memory was 51.4MB in the beginning and 51.2MB in the end (delta: 179.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:50:52,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/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_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_1_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm --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 ad34237e996cd331563e8b065d0d5380e94c9435b4bac2fb1e22d28e3c8a5cb6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:50:55,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:50:55,561 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:50:55,614 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:50:55,616 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:50:55,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:50:55,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:50:55,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:50:55,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:50:55,618 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:50:55,618 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:50:55,618 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:50:55,620 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:50:55,620 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:50:55,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:50:55,620 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:50:55,620 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:50:55,620 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:50:55,620 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:50:55,621 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:50:55,621 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:50:55,621 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:50:55,621 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:50:55,621 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:50:55,621 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:50:55,621 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:50:55,621 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:55,621 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:50:55,621 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:50:55,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:50:55,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:50:55,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:50:55,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:50:55,622 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:50:55,622 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:55,622 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:50:55,622 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_3bbeeb06-c956-4733-8f1f-7f97b57e5144/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 ! 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 -> ad34237e996cd331563e8b065d0d5380e94c9435b4bac2fb1e22d28e3c8a5cb6 [2024-11-13 20:50:56,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:50:56,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:50:56,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:50:56,029 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:50:56,030 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:50:56,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_1+newton_1_4.i Unable to find full path for "g++" [2024-11-13 20:50:58,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:50:58,344 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:50:58,345 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/sv-benchmarks/c/combinations/gcd_1+newton_1_4.i [2024-11-13 20:50:58,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/data/31429c50d/d195153ace554f42879ac17ef4ddb553/FLAG655dc134c [2024-11-13 20:50:58,674 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/data/31429c50d/d195153ace554f42879ac17ef4ddb553 [2024-11-13 20:50:58,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:50:58,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:50:58,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:50:58,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:50:58,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:50:58,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:50:58" (1/1) ... [2024-11-13 20:50:58,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee222bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:58, skipping insertion in model container [2024-11-13 20:50:58,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:50:58" (1/1) ... [2024-11-13 20:50:58,715 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:50:58,897 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_3bbeeb06-c956-4733-8f1f-7f97b57e5144/sv-benchmarks/c/combinations/gcd_1+newton_1_4.i[1226,1239] [2024-11-13 20:50:58,928 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_3bbeeb06-c956-4733-8f1f-7f97b57e5144/sv-benchmarks/c/combinations/gcd_1+newton_1_4.i[2786,2799] [2024-11-13 20:50:58,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:50:58,945 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:50:58,958 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_3bbeeb06-c956-4733-8f1f-7f97b57e5144/sv-benchmarks/c/combinations/gcd_1+newton_1_4.i[1226,1239] [2024-11-13 20:50:58,971 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_3bbeeb06-c956-4733-8f1f-7f97b57e5144/sv-benchmarks/c/combinations/gcd_1+newton_1_4.i[2786,2799] [2024-11-13 20:50:58,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:50:58,991 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:50:58,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:58 WrapperNode [2024-11-13 20:50:58,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:50:58,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:50:58,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:50:58,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:50:59,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:58" (1/1) ... [2024-11-13 20:50:59,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:58" (1/1) ... [2024-11-13 20:50:59,035 INFO L138 Inliner]: procedures = 28, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 81 [2024-11-13 20:50:59,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:50:59,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:50:59,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:50:59,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:50:59,045 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:58" (1/1) ... [2024-11-13 20:50:59,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:58" (1/1) ... [2024-11-13 20:50:59,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:58" (1/1) ... [2024-11-13 20:50:59,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:58" (1/1) ... [2024-11-13 20:50:59,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:58" (1/1) ... [2024-11-13 20:50:59,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:58" (1/1) ... [2024-11-13 20:50:59,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:58" (1/1) ... [2024-11-13 20:50:59,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:58" (1/1) ... [2024-11-13 20:50:59,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:50:59,068 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:50:59,068 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:50:59,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:50:59,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:58" (1/1) ... [2024-11-13 20:50:59,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:50:59,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:50:59,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:50:59,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:50:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:50:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:50:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:50:59,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:50:59,218 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:50:59,219 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:51:19,188 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-13 20:51:19,188 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:51:19,270 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:51:19,270 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:51:19,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:19 BoogieIcfgContainer [2024-11-13 20:51:19,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:51:19,271 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:51:19,272 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:51:19,282 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:51:19,282 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:19" (1/1) ... [2024-11-13 20:51:19,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:51:19,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:19,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-13 20:51:19,349 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-13 20:51:19,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:51:19,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:19,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:19,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:19,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:19,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bbeeb06-c956-4733-8f1f-7f97b57e5144/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:56:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:56:42,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:59:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat