./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_1_5.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_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/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_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_1_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/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_1ba11513-e95f-4383-aef5-a39479840f65/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 e1fa1a55806359256811455041f4c560095cd24f578da9545b403f8eeca2876a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:59:40,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:59:40,219 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:59:40,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:59:40,229 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:59:40,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:59:40,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:59:40,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:59:40,279 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:59:40,279 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:59:40,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:59:40,280 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:59:40,280 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:59:40,280 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:59:40,281 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:59:40,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:59:40,281 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:59:40,281 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:59:40,281 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:59:40,281 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:59:40,281 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:59:40,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:59:40,281 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:59:40,282 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:59:40,282 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:59:40,282 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:59:40,282 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:59:40,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:59:40,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:59:40,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:59:40,285 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:59:40,285 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:59:40,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:59:40,285 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_1ba11513-e95f-4383-aef5-a39479840f65/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 -> e1fa1a55806359256811455041f4c560095cd24f578da9545b403f8eeca2876a [2024-11-13 22:59:40,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:59:40,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:59:40,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:59:40,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:59:40,754 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:59:40,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_4+newton_1_5.i Unable to find full path for "g++" [2024-11-13 22:59:43,076 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:59:43,464 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:59:43,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/sv-benchmarks/c/combinations/gcd_4+newton_1_5.i [2024-11-13 22:59:43,483 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/data/c6d699a3d/5b4cbe7ffd8c40d983216b5971a044ae/FLAG64bb2e15f [2024-11-13 22:59:43,501 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/data/c6d699a3d/5b4cbe7ffd8c40d983216b5971a044ae [2024-11-13 22:59:43,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:59:43,507 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:59:43,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:59:43,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:59:43,517 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:59:43,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:59:43" (1/1) ... [2024-11-13 22:59:43,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e4334d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:43, skipping insertion in model container [2024-11-13 22:59:43,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:59:43" (1/1) ... [2024-11-13 22:59:43,550 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:59:43,759 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_1ba11513-e95f-4383-aef5-a39479840f65/sv-benchmarks/c/combinations/gcd_4+newton_1_5.i[1224,1237] [2024-11-13 22:59:43,796 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_1ba11513-e95f-4383-aef5-a39479840f65/sv-benchmarks/c/combinations/gcd_4+newton_1_5.i[2806,2819] [2024-11-13 22:59:43,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:59:43,812 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:59:43,827 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_1ba11513-e95f-4383-aef5-a39479840f65/sv-benchmarks/c/combinations/gcd_4+newton_1_5.i[1224,1237] [2024-11-13 22:59:43,841 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_1ba11513-e95f-4383-aef5-a39479840f65/sv-benchmarks/c/combinations/gcd_4+newton_1_5.i[2806,2819] [2024-11-13 22:59:43,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:59:43,861 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:59:43,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:43 WrapperNode [2024-11-13 22:59:43,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:59:43,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:59:43,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:59:43,863 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:59:43,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:43" (1/1) ... [2024-11-13 22:59:43,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:43" (1/1) ... [2024-11-13 22:59:43,922 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2024-11-13 22:59:43,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:59:43,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:59:43,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:59:43,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:59:43,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:43" (1/1) ... [2024-11-13 22:59:43,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:43" (1/1) ... [2024-11-13 22:59:43,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:43" (1/1) ... [2024-11-13 22:59:43,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:43" (1/1) ... [2024-11-13 22:59:43,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:43" (1/1) ... [2024-11-13 22:59:43,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:43" (1/1) ... [2024-11-13 22:59:43,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:43" (1/1) ... [2024-11-13 22:59:43,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:43" (1/1) ... [2024-11-13 22:59:43,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:59:43,971 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:59:43,971 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:59:43,971 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:59:43,972 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:43" (1/1) ... [2024-11-13 22:59:43,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:59:44,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:59:44,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:59:44,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:59:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:59:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:59:44,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:59:44,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:59:44,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:59:44,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:59:44,179 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:59:44,181 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:59:44,409 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 22:59:44,409 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:59:44,531 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:59:44,531 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:59:44,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:59:44 BoogieIcfgContainer [2024-11-13 22:59:44,532 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:59:44,535 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:59:44,536 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:59:44,549 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:59:44,549 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:59:44" (1/1) ... [2024-11-13 22:59:44,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:59:44,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:44,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-13 22:59:44,649 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-13 22:59:44,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:59:44,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:44,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:59:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:59:44,779 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:59:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:59:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:59:44,893 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:59:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:59:44,933 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:59:44,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:59:44 ImpRootNode [2024-11-13 22:59:44,967 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:59:44,967 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:59:44,969 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:59:44,969 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:59:44,970 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:59:44" (3/4) ... [2024-11-13 22:59:44,973 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:59:44,975 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:59:44,979 INFO L158 Benchmark]: Toolchain (without parser) took 1469.55ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 77.4MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 22:59:44,979 INFO L158 Benchmark]: CDTParser took 1.95ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:59:44,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.84ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 107.2MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:59:44,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.70ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 105.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:59:44,981 INFO L158 Benchmark]: Boogie Preprocessor took 46.56ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:59:44,981 INFO L158 Benchmark]: RCFGBuilder took 561.28ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 88.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:59:44,982 INFO L158 Benchmark]: CodeCheck took 431.33ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 77.4MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:59:44,982 INFO L158 Benchmark]: Witness Printer took 7.67ms. Allocated memory is still 142.6MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:59:44,988 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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: 109]: 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 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryArithmeticFLOAToperation at line 87. Possible FailurePath: [L115] COND FALSE !(__VERIFIER_nondet_int()) [L118] CALL main2() [L97] float IN = __VERIFIER_nondet_float(); [L98] CALL assume_abort_if_not(IN > -1.0f && IN < 1.0f) [L82] COND FALSE !(!cond) [L98] RET assume_abort_if_not(IN > -1.0f && IN < 1.0f) [L100] CALL, EXPR f(IN) [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L100] RET, EXPR f(IN) [L100] CALL, EXPR fp(IN) [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L100] RET, EXPR fp(IN) [L100] float x = IN - f(IN)/fp(IN); [L108] COND TRUE !(x < 0.1) [L109] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.95ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.84ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 107.2MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.70ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 105.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.56ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 561.28ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 88.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 431.33ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 77.4MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.67ms. Allocated memory is still 142.6MB. Free memory is still 77.4MB. 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 22:59:45,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/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_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_1_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/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_1ba11513-e95f-4383-aef5-a39479840f65/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 e1fa1a55806359256811455041f4c560095cd24f578da9545b403f8eeca2876a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:59:48,102 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:59:48,242 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:59:48,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:59:48,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:59:48,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:59:48,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:59:48,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:59:48,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:59:48,323 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:59:48,324 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:59:48,326 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:59:48,327 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:59:48,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:59:48,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:59:48,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:59:48,328 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:59:48,328 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:59:48,329 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:59:48,329 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:59:48,329 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:59:48,329 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:59:48,329 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:59:48,329 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:59:48,330 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:59:48,330 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:59:48,330 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:59:48,330 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:59:48,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:59:48,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:59:48,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:59:48,331 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:59:48,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:59:48,331 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:59:48,331 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:59:48,332 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:59:48,332 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_1ba11513-e95f-4383-aef5-a39479840f65/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 -> e1fa1a55806359256811455041f4c560095cd24f578da9545b403f8eeca2876a [2024-11-13 22:59:48,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:59:48,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:59:48,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:59:48,630 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:59:48,630 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:59:48,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_4+newton_1_5.i Unable to find full path for "g++" [2024-11-13 22:59:50,563 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:59:50,853 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:59:50,868 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/sv-benchmarks/c/combinations/gcd_4+newton_1_5.i [2024-11-13 22:59:50,883 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/data/26241713e/5c50713046e84620a25b3e39a0ecab2e/FLAG7cd40c061 [2024-11-13 22:59:51,138 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/data/26241713e/5c50713046e84620a25b3e39a0ecab2e [2024-11-13 22:59:51,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:59:51,142 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:59:51,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:59:51,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:59:51,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:59:51,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:59:51" (1/1) ... [2024-11-13 22:59:51,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13cc1afe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:51, skipping insertion in model container [2024-11-13 22:59:51,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:59:51" (1/1) ... [2024-11-13 22:59:51,165 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:59:51,319 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_1ba11513-e95f-4383-aef5-a39479840f65/sv-benchmarks/c/combinations/gcd_4+newton_1_5.i[1224,1237] [2024-11-13 22:59:51,348 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_1ba11513-e95f-4383-aef5-a39479840f65/sv-benchmarks/c/combinations/gcd_4+newton_1_5.i[2806,2819] [2024-11-13 22:59:51,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:59:51,363 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:59:51,377 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_1ba11513-e95f-4383-aef5-a39479840f65/sv-benchmarks/c/combinations/gcd_4+newton_1_5.i[1224,1237] [2024-11-13 22:59:51,388 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_1ba11513-e95f-4383-aef5-a39479840f65/sv-benchmarks/c/combinations/gcd_4+newton_1_5.i[2806,2819] [2024-11-13 22:59:51,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:59:51,406 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:59:51,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:51 WrapperNode [2024-11-13 22:59:51,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:59:51,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:59:51,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:59:51,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:59:51,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:51" (1/1) ... [2024-11-13 22:59:51,428 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:51" (1/1) ... [2024-11-13 22:59:51,457 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 76 [2024-11-13 22:59:51,458 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:59:51,458 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:59:51,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:59:51,459 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:59:51,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:51" (1/1) ... [2024-11-13 22:59:51,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:51" (1/1) ... [2024-11-13 22:59:51,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:51" (1/1) ... [2024-11-13 22:59:51,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:51" (1/1) ... [2024-11-13 22:59:51,490 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:51" (1/1) ... [2024-11-13 22:59:51,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:51" (1/1) ... [2024-11-13 22:59:51,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:51" (1/1) ... [2024-11-13 22:59:51,506 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:51" (1/1) ... [2024-11-13 22:59:51,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:59:51,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:59:51,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:59:51,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:59:51,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:51" (1/1) ... [2024-11-13 22:59:51,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:59:51,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:59:51,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:59:51,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:59:51,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:59:51,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:59:51,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:59:51,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:59:51,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:59:51,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:59:51,743 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:59:51,746 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:00:03,465 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 23:00:03,466 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:00:03,533 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:00:03,533 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:00:03,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:00:03 BoogieIcfgContainer [2024-11-13 23:00:03,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:00:03,535 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:00:03,535 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:00:03,544 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:00:03,544 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:00:03" (1/1) ... [2024-11-13 23:00:03,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:00:03,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:00:03,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-13 23:00:03,601 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-13 23:00:03,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:00:03,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:00:03,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:00:03,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:00:03,606 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:00:03,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ba11513-e95f-4383-aef5-a39479840f65/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:07:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:21,286 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.