./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/addsub_double_exact.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_double_exact.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b --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 f4d7a62ffde252cff873ff489678769664732fba2c78998e7abea39f2d3f98ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:22:26,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:22:26,166 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:22:26,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:22:26,170 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:22:26,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:22:26,193 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:22:26,194 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:22:26,194 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:22:26,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:22:26,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:22:26,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:22:26,195 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:22:26,195 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:22:26,195 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:22:26,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:22:26,195 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:22:26,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:22:26,195 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:22:26,195 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:22:26,195 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:22:26,196 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:22:26,196 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:22:26,196 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:22:26,196 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:22:26,196 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:22:26,196 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:22:26,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:22:26,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:22:26,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:22:26,197 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:22:26,197 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:22:26,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:22:26,197 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_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b 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 -> f4d7a62ffde252cff873ff489678769664732fba2c78998e7abea39f2d3f98ac [2024-12-06 01:22:26,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:22:26,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:22:26,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:22:26,465 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:22:26,465 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:22:26,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/addsub_double_exact.c [2024-12-06 01:22:29,336 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/data/6eea94b5b/c927cd0051134a4f8a9ebf613a52912c/FLAG5c7f689b1 [2024-12-06 01:22:29,541 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:22:29,541 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/sv-benchmarks/c/float-benchs/addsub_double_exact.c [2024-12-06 01:22:29,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/data/6eea94b5b/c927cd0051134a4f8a9ebf613a52912c/FLAG5c7f689b1 [2024-12-06 01:22:29,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/data/6eea94b5b/c927cd0051134a4f8a9ebf613a52912c [2024-12-06 01:22:29,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:22:29,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:22:29,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:22:29,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:22:29,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:22:29,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:22:29" (1/1) ... [2024-12-06 01:22:29,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e5e6d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:29, skipping insertion in model container [2024-12-06 01:22:29,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:22:29" (1/1) ... [2024-12-06 01:22:29,921 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:22:30,037 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_e541f61f-6262-4659-a381-4f85e88a4195/sv-benchmarks/c/float-benchs/addsub_double_exact.c[393,406] [2024-12-06 01:22:30,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:22:30,053 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:22:30,060 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_e541f61f-6262-4659-a381-4f85e88a4195/sv-benchmarks/c/float-benchs/addsub_double_exact.c[393,406] [2024-12-06 01:22:30,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:22:30,071 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:22:30,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:30 WrapperNode [2024-12-06 01:22:30,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:22:30,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:22:30,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:22:30,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:22:30,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:30" (1/1) ... [2024-12-06 01:22:30,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:30" (1/1) ... [2024-12-06 01:22:30,092 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2024-12-06 01:22:30,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:22:30,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:22:30,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:22:30,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:22:30,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:30" (1/1) ... [2024-12-06 01:22:30,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:30" (1/1) ... [2024-12-06 01:22:30,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:30" (1/1) ... [2024-12-06 01:22:30,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:30" (1/1) ... [2024-12-06 01:22:30,100 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:30" (1/1) ... [2024-12-06 01:22:30,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:30" (1/1) ... [2024-12-06 01:22:30,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:30" (1/1) ... [2024-12-06 01:22:30,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:30" (1/1) ... [2024-12-06 01:22:30,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:30" (1/1) ... [2024-12-06 01:22:30,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:22:30,105 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:22:30,105 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:22:30,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:22:30,106 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:30" (1/1) ... [2024-12-06 01:22:30,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:22:30,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:22:30,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:22:30,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:22:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:22:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:22:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:22:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:22:30,205 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:22:30,207 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:22:30,272 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 01:22:30,272 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:22:30,289 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:22:30,290 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:22:30,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:22:30 BoogieIcfgContainer [2024-12-06 01:22:30,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:22:30,291 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:22:30,291 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:22:30,297 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:22:30,297 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:22:30" (1/1) ... [2024-12-06 01:22:30,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:22:30,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:30,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 01:22:30,343 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 01:22:30,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 01:22:30,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:30,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:22:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:22:30,425 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:22:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:22:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:22:30,464 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:22:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:22:30,476 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:22:30,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:22:30 ImpRootNode [2024-12-06 01:22:30,491 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:22:30,492 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:22:30,492 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:22:30,492 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:22:30,493 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:22:30" (3/4) ... [2024-12-06 01:22:30,495 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:22:30,496 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:22:30,497 INFO L158 Benchmark]: Toolchain (without parser) took 589.88ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 84.2MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 01:22:30,498 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:22:30,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.31ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 106.0MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:22:30,499 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.83ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 104.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:22:30,499 INFO L158 Benchmark]: Boogie Preprocessor took 11.34ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.1MB in the end (delta: 797.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:22:30,500 INFO L158 Benchmark]: RCFGBuilder took 185.36ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 94.5MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:22:30,500 INFO L158 Benchmark]: CodeCheck took 200.84ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 84.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:22:30,501 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 84.2MB in the end (delta: 290.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:22:30,503 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 6]: 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 13, overapproximation of someBinaryDOUBLEComparisonOperation at line 16. Possible FailurePath: [L10] double x, y, z, r; [L12] x = 1e8 [L13] y = x + 1 [L14] z = x - 1 [L15] r = y - z [L16] CALL __VERIFIER_assert(r == 2.) [L6] COND TRUE !(cond) [L6] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 164.31ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 106.0MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.83ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 104.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.34ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.1MB in the end (delta: 797.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 185.36ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 94.5MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 200.84ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 84.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 84.2MB in the end (delta: 290.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:22:30,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/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_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_double_exact.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b --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 f4d7a62ffde252cff873ff489678769664732fba2c78998e7abea39f2d3f98ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:22:32,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:22:32,749 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:22:32,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:22:32,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:22:32,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:22:32,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:22:32,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:22:32,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:22:32,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:22:32,775 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:22:32,775 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:22:32,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:22:32,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:22:32,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:22:32,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:22:32,776 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:22:32,776 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:22:32,776 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:22:32,776 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:22:32,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:22:32,776 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:22:32,776 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:22:32,776 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:22:32,776 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:22:32,776 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:22:32,776 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:22:32,777 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:22:32,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:22:32,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:22:32,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:22:32,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:22:32,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:22:32,777 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:22:32,777 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:22:32,777 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:22:32,777 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_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b 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 -> f4d7a62ffde252cff873ff489678769664732fba2c78998e7abea39f2d3f98ac [2024-12-06 01:22:32,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:22:33,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:22:33,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:22:33,010 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:22:33,010 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:22:33,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/addsub_double_exact.c [2024-12-06 01:22:35,756 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/data/0ae7f262e/8af3d65654d945f287937d69cee5c427/FLAGcd9454b26 [2024-12-06 01:22:35,955 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:22:35,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/sv-benchmarks/c/float-benchs/addsub_double_exact.c [2024-12-06 01:22:35,972 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/data/0ae7f262e/8af3d65654d945f287937d69cee5c427/FLAGcd9454b26 [2024-12-06 01:22:35,990 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/data/0ae7f262e/8af3d65654d945f287937d69cee5c427 [2024-12-06 01:22:35,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:22:35,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:22:35,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:22:35,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:22:36,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:22:36,002 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:22:35" (1/1) ... [2024-12-06 01:22:36,003 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@226b1b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:36, skipping insertion in model container [2024-12-06 01:22:36,003 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:22:35" (1/1) ... [2024-12-06 01:22:36,016 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:22:36,150 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_e541f61f-6262-4659-a381-4f85e88a4195/sv-benchmarks/c/float-benchs/addsub_double_exact.c[393,406] [2024-12-06 01:22:36,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:22:36,174 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:22:36,184 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_e541f61f-6262-4659-a381-4f85e88a4195/sv-benchmarks/c/float-benchs/addsub_double_exact.c[393,406] [2024-12-06 01:22:36,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:22:36,202 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:22:36,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:36 WrapperNode [2024-12-06 01:22:36,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:22:36,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:22:36,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:22:36,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:22:36,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:36" (1/1) ... [2024-12-06 01:22:36,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:36" (1/1) ... [2024-12-06 01:22:36,233 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2024-12-06 01:22:36,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:22:36,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:22:36,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:22:36,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:22:36,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:36" (1/1) ... [2024-12-06 01:22:36,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:36" (1/1) ... [2024-12-06 01:22:36,242 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:36" (1/1) ... [2024-12-06 01:22:36,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:36" (1/1) ... [2024-12-06 01:22:36,249 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:36" (1/1) ... [2024-12-06 01:22:36,250 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:36" (1/1) ... [2024-12-06 01:22:36,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:36" (1/1) ... [2024-12-06 01:22:36,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:36" (1/1) ... [2024-12-06 01:22:36,255 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:36" (1/1) ... [2024-12-06 01:22:36,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:22:36,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:22:36,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:22:36,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:22:36,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:36" (1/1) ... [2024-12-06 01:22:36,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:22:36,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:22:36,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:22:36,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:22:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:22:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:22:36,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:22:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:22:36,388 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:22:36,390 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:22:37,447 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 01:22:37,447 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:22:37,475 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:22:37,476 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:22:37,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:22:37 BoogieIcfgContainer [2024-12-06 01:22:37,476 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:22:37,477 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:22:37,477 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:22:37,487 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:22:37,488 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:22:37" (1/1) ... [2024-12-06 01:22:37,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:22:37,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:37,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 01:22:37,552 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 01:22:37,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 01:22:37,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:37,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:22:37,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:22:37,558 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:22:37,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:22:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:37,620 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:22:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:37,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:22:37,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:22:37,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:22:37,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:22:37,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:37,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-06 01:22:37,806 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-06 01:22:37,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 01:22:37,806 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-12-06 01:22:37,814 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 01:22:37,827 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 01:22:37,828 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2024-12-06 01:22:37,828 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 01:22:37,828 INFO L77 FloydHoareUtils]: At program point L6(line 6) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) [2024-12-06 01:22:37,828 INFO L75 FloydHoareUtils]: For program point L6-1(line 6) no Hoare annotation was computed. [2024-12-06 01:22:37,828 INFO L77 FloydHoareUtils]: At program point L6-3(line 6) the Hoare annotation is: true [2024-12-06 01:22:37,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:22:37 ImpRootNode [2024-12-06 01:22:37,836 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:22:37,836 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:22:37,836 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:22:37,836 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:22:37,837 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:22:37" (3/4) ... [2024-12-06 01:22:37,839 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 01:22:37,845 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-12-06 01:22:37,845 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-06 01:22:37,845 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 01:22:37,845 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 01:22:37,909 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:22:37,909 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:22:37,909 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:22:37,910 INFO L158 Benchmark]: Toolchain (without parser) took 1915.55ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 58.4MB in the end (delta: 11.1MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-12-06 01:22:37,910 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:22:37,911 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.28ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 58.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:22:37,911 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.35ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 57.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:22:37,911 INFO L158 Benchmark]: Boogie Preprocessor took 23.71ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 56.1MB in the end (delta: 950.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:22:37,912 INFO L158 Benchmark]: RCFGBuilder took 1217.54ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 46.0MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:22:37,912 INFO L158 Benchmark]: CodeCheck took 358.77ms. Allocated memory is still 92.3MB. Free memory was 46.0MB in the beginning and 62.4MB in the end (delta: -16.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:22:37,913 INFO L158 Benchmark]: Witness Printer took 72.91ms. Allocated memory is still 92.3MB. Free memory was 62.4MB in the beginning and 58.4MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:22:37,915 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 1 NumberOfNonLiveVariables, 16 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 6]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.28ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 58.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.35ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 57.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.71ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 56.1MB in the end (delta: 950.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1217.54ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 46.0MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 358.77ms. Allocated memory is still 92.3MB. Free memory was 46.0MB in the beginning and 62.4MB in the end (delta: -16.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 72.91ms. Allocated memory is still 92.3MB. Free memory was 62.4MB in the beginning and 58.4MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 01:22:37,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e541f61f-6262-4659-a381-4f85e88a4195/bin/ukojak-verify-CZk0znPC7b/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: TRUE