./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c --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_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/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_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/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_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/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 8dd2b259de573dae381590d9c9a53c821e05ecea3ef79b47acb4a28edd56bf9a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:06:42,876 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:06:42,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:06:42,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:06:42,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:06:43,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:06:43,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:06:43,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:06:43,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:06:43,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:06:43,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:06:43,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:06:43,017 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:06:43,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:06:43,017 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:06:43,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:06:43,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:06:43,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:06:43,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:06:43,018 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:06:43,018 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:06:43,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:06:43,018 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:06:43,018 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:06:43,019 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:06:43,019 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:06:43,020 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:06:43,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:06:43,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:06:43,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:06:43,020 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:06:43,020 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:06:43,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:06:43,020 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_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/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 -> 8dd2b259de573dae381590d9c9a53c821e05ecea3ef79b47acb4a28edd56bf9a [2024-11-13 23:06:43,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:06:43,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:06:43,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:06:43,361 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:06:43,362 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:06:43,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c Unable to find full path for "g++" [2024-11-13 23:06:45,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:06:45,601 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:06:45,602 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c [2024-11-13 23:06:45,611 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/data/8564f4590/00b0b25e0b214f328c1449df46eb1f9b/FLAGc74c79d0c [2024-11-13 23:06:45,635 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/data/8564f4590/00b0b25e0b214f328c1449df46eb1f9b [2024-11-13 23:06:45,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:06:45,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:06:45,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:06:45,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:06:45,648 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:06:45,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:06:45" (1/1) ... [2024-11-13 23:06:45,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39f9b3d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:45, skipping insertion in model container [2024-11-13 23:06:45,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:06:45" (1/1) ... [2024-11-13 23:06:45,668 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:06:45,849 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_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c[674,687] [2024-11-13 23:06:45,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:06:45,868 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:06:45,884 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_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c[674,687] [2024-11-13 23:06:45,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:06:45,900 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:06:45,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:45 WrapperNode [2024-11-13 23:06:45,903 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:06:45,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:06:45,905 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:06:45,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:06:45,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:45" (1/1) ... [2024-11-13 23:06:45,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:45" (1/1) ... [2024-11-13 23:06:45,937 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2024-11-13 23:06:45,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:06:45,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:06:45,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:06:45,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:06:45,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:45" (1/1) ... [2024-11-13 23:06:45,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:45" (1/1) ... [2024-11-13 23:06:45,947 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:45" (1/1) ... [2024-11-13 23:06:45,948 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:45" (1/1) ... [2024-11-13 23:06:45,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:45" (1/1) ... [2024-11-13 23:06:45,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:45" (1/1) ... [2024-11-13 23:06:45,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:45" (1/1) ... [2024-11-13 23:06:45,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:45" (1/1) ... [2024-11-13 23:06:45,959 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:06:45,959 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:06:45,960 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:06:45,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:06:45,962 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:45" (1/1) ... [2024-11-13 23:06:45,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:06:45,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:06:45,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:06:46,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:06:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:06:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:06:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:06:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:06:46,112 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:06:46,114 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:06:46,211 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 23:06:46,211 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:06:46,234 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:06:46,234 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:06:46,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:06:46 BoogieIcfgContainer [2024-11-13 23:06:46,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:06:46,235 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:06:46,235 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:06:46,244 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:06:46,244 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:06:46" (1/1) ... [2024-11-13 23:06:46,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:06:46,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 23:06:46,309 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 23:06:46,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:06:46,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:46,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:06:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:06:46,422 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:06:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:06:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:06:46,497 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:06:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:06:46,522 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:06:46,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:06:46 ImpRootNode [2024-11-13 23:06:46,554 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:06:46,555 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:06:46,556 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:06:46,556 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:06:46,557 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:06:46" (3/4) ... [2024-11-13 23:06:46,560 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:06:46,561 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:06:46,562 INFO L158 Benchmark]: Toolchain (without parser) took 920.68ms. Allocated memory is still 109.1MB. Free memory was 83.7MB in the beginning and 51.2MB in the end (delta: 32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 23:06:46,562 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:06:46,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.34ms. Allocated memory is still 109.1MB. Free memory was 83.7MB in the beginning and 72.9MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:06:46,563 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.59ms. Allocated memory is still 109.1MB. Free memory was 72.9MB in the beginning and 71.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:06:46,563 INFO L158 Benchmark]: Boogie Preprocessor took 20.54ms. Allocated memory is still 109.1MB. Free memory was 71.7MB in the beginning and 71.3MB in the end (delta: 425.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:06:46,566 INFO L158 Benchmark]: RCFGBuilder took 275.04ms. Allocated memory is still 109.1MB. Free memory was 71.3MB in the beginning and 62.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:06:46,567 INFO L158 Benchmark]: CodeCheck took 319.70ms. Allocated memory is still 109.1MB. Free memory was 62.1MB in the beginning and 51.6MB in the end (delta: 10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:06:46,567 INFO L158 Benchmark]: Witness Printer took 5.20ms. Allocated memory is still 109.1MB. Free memory was 51.6MB in the beginning and 51.2MB in the end (delta: 396.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:06:46,573 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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: 27]: 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 someBinaryArithmeticDOUBLEoperation at line 10, overapproximation of someBinaryDOUBLEComparisonOperation at line 12. Possible FailurePath: [L1] int __return_main; [L9] double main__x = 1.0; [L10] double main__x1 = main__x / 1.6; VAL [__return_main=0] [L12] COND FALSE !(main__x1 != main__x) [L21] int __tmp_1; [L22] __tmp_1 = main__x == 0 [L23] int __VERIFIER_assert__cond; [L24] __VERIFIER_assert__cond = __tmp_1 VAL [__VERIFIER_assert__cond=0, __return_main=0] [L25] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_main=0] [L27] reach_error() VAL [__return_main=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.34ms. Allocated memory is still 109.1MB. Free memory was 83.7MB in the beginning and 72.9MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.59ms. Allocated memory is still 109.1MB. Free memory was 72.9MB in the beginning and 71.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.54ms. Allocated memory is still 109.1MB. Free memory was 71.7MB in the beginning and 71.3MB in the end (delta: 425.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 275.04ms. Allocated memory is still 109.1MB. Free memory was 71.3MB in the beginning and 62.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 319.70ms. Allocated memory is still 109.1MB. Free memory was 62.1MB in the beginning and 51.6MB in the end (delta: 10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.20ms. Allocated memory is still 109.1MB. Free memory was 51.6MB in the beginning and 51.2MB in the end (delta: 396.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:06:46,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/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_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/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_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/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_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/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 8dd2b259de573dae381590d9c9a53c821e05ecea3ef79b47acb4a28edd56bf9a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:06:49,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:06:49,530 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 23:06:49,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:06:49,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:06:49,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:06:49,595 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:06:49,595 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:06:49,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:06:49,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:06:49,598 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:06:49,598 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:06:49,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:06:49,598 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:06:49,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:06:49,599 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:06:49,599 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:06:49,599 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:06:49,599 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:06:49,599 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:06:49,599 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:06:49,599 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:06:49,599 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:06:49,600 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:06:49,600 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:06:49,600 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:06:49,600 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:06:49,600 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:06:49,600 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:06:49,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:06:49,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:06:49,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:06:49,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:06:49,601 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:06:49,601 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:06:49,601 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:06:49,601 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_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/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 -> 8dd2b259de573dae381590d9c9a53c821e05ecea3ef79b47acb4a28edd56bf9a [2024-11-13 23:06:49,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:06:49,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:06:49,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:06:49,951 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:06:49,952 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:06:49,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c Unable to find full path for "g++" [2024-11-13 23:06:51,979 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:06:52,241 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:06:52,241 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c [2024-11-13 23:06:52,249 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/data/84cffd142/ad10afe467b24e84b911fdd732ffb0aa/FLAG1366320ef [2024-11-13 23:06:52,273 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/data/84cffd142/ad10afe467b24e84b911fdd732ffb0aa [2024-11-13 23:06:52,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:06:52,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:06:52,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:06:52,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:06:52,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:06:52,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:06:52" (1/1) ... [2024-11-13 23:06:52,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f5daad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:52, skipping insertion in model container [2024-11-13 23:06:52,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:06:52" (1/1) ... [2024-11-13 23:06:52,307 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:06:52,490 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_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c[674,687] [2024-11-13 23:06:52,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:06:52,517 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:06:52,533 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_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c[674,687] [2024-11-13 23:06:52,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:06:52,556 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:06:52,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:52 WrapperNode [2024-11-13 23:06:52,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:06:52,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:06:52,560 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:06:52,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:06:52,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:52" (1/1) ... [2024-11-13 23:06:52,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:52" (1/1) ... [2024-11-13 23:06:52,600 INFO L138 Inliner]: procedures = 13, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-13 23:06:52,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:06:52,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:06:52,601 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:06:52,601 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:06:52,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:52" (1/1) ... [2024-11-13 23:06:52,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:52" (1/1) ... [2024-11-13 23:06:52,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:52" (1/1) ... [2024-11-13 23:06:52,612 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:52" (1/1) ... [2024-11-13 23:06:52,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:52" (1/1) ... [2024-11-13 23:06:52,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:52" (1/1) ... [2024-11-13 23:06:52,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:52" (1/1) ... [2024-11-13 23:06:52,630 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:52" (1/1) ... [2024-11-13 23:06:52,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:06:52,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:06:52,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:06:52,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:06:52,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:52" (1/1) ... [2024-11-13 23:06:52,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:06:52,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:06:52,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:06:52,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:06:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:06:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:06:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:06:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:06:52,802 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:06:52,804 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:06:57,161 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 23:06:57,161 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:06:57,189 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:06:57,190 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:06:57,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:06:57 BoogieIcfgContainer [2024-11-13 23:06:57,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:06:57,191 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:06:57,191 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:06:57,202 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:06:57,203 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:06:57" (1/1) ... [2024-11-13 23:06:57,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:06:57,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:57,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 23:06:57,261 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 23:06:57,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:06:57,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:57,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:06:57,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:06:57,269 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:06:57,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:06:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:58,546 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:06:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:59,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:06:59,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:07:01,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:07:01,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:07:10,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:07:14,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:07:24,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:07:25,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:25,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 23:07:25,616 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 23:07:25,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 23:07:25,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:25,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:07:25,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:07:25,620 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:07:25,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:07:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:27,978 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:07:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:07:38,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 23:07:38,880 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 23:07:38,885 INFO L158 Benchmark]: Toolchain (without parser) took 46607.39ms. Allocated memory is still 117.4MB. Free memory was 95.1MB in the beginning and 57.0MB in the end (delta: 38.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 23:07:38,885 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:38,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.10ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 83.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:07:38,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.54ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 82.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:38,886 INFO L158 Benchmark]: Boogie Preprocessor took 31.09ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.8MB in the end (delta: 805.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:38,887 INFO L158 Benchmark]: RCFGBuilder took 4555.53ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 71.3MB in the end (delta: 10.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:07:38,887 INFO L158 Benchmark]: CodeCheck took 41692.58ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 57.0MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:07:38,890 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.10ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 83.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.54ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 82.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.09ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.8MB in the end (delta: 805.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 4555.53ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 71.3MB in the end (delta: 10.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 41692.58ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 57.0MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 23:07:39,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ce3ee-3e47-435f-bd2f-0c0d9a84455b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown