./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/addsub_float_exact.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_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/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_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_exact.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/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_ea1616da-1328-4366-9ef6-6d798c33ebfe/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 a554664720339a35a3ec026865ea1b6c4e0d3f983b8a3fb49a87ef117f533cd5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:34:20,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:34:20,723 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:34:20,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:34:20,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:34:20,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:34:20,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:34:20,749 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:34:20,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:34:20,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:34:20,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:34:20,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:34:20,750 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:34:20,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:34:20,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:34:20,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:34:20,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:34:20,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:34:20,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:34:20,751 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:34:20,751 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:34:20,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:34:20,751 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:34:20,752 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:34:20,752 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:34:20,752 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:34:20,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:34:20,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:34:20,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:34:20,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:34:20,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:34:20,753 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:34:20,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:34:20,753 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_ea1616da-1328-4366-9ef6-6d798c33ebfe/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 -> a554664720339a35a3ec026865ea1b6c4e0d3f983b8a3fb49a87ef117f533cd5 [2024-11-13 20:34:21,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:34:21,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:34:21,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:34:21,105 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:34:21,105 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:34:21,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/addsub_float_exact.c Unable to find full path for "g++" [2024-11-13 20:34:22,899 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:34:23,119 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:34:23,119 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/sv-benchmarks/c/float-benchs/addsub_float_exact.c [2024-11-13 20:34:23,137 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/data/081202307/e78dfbd1864c4bc487fe1c308cc8bb68/FLAG87b697889 [2024-11-13 20:34:23,156 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/data/081202307/e78dfbd1864c4bc487fe1c308cc8bb68 [2024-11-13 20:34:23,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:34:23,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:34:23,165 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:34:23,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:34:23,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:34:23,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:34:23" (1/1) ... [2024-11-13 20:34:23,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d1f8960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:23, skipping insertion in model container [2024-11-13 20:34:23,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:34:23" (1/1) ... [2024-11-13 20:34:23,184 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:34:23,361 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_ea1616da-1328-4366-9ef6-6d798c33ebfe/sv-benchmarks/c/float-benchs/addsub_float_exact.c[392,405] [2024-11-13 20:34:23,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:34:23,385 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:34:23,395 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_ea1616da-1328-4366-9ef6-6d798c33ebfe/sv-benchmarks/c/float-benchs/addsub_float_exact.c[392,405] [2024-11-13 20:34:23,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:34:23,412 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:34:23,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:23 WrapperNode [2024-11-13 20:34:23,413 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:34:23,414 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:34:23,414 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:34:23,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:34:23,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:23" (1/1) ... [2024-11-13 20:34:23,427 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:23" (1/1) ... [2024-11-13 20:34:23,441 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2024-11-13 20:34:23,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:34:23,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:34:23,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:34:23,442 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:34:23,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:23" (1/1) ... [2024-11-13 20:34:23,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:23" (1/1) ... [2024-11-13 20:34:23,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:23" (1/1) ... [2024-11-13 20:34:23,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:23" (1/1) ... [2024-11-13 20:34:23,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:23" (1/1) ... [2024-11-13 20:34:23,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:23" (1/1) ... [2024-11-13 20:34:23,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:23" (1/1) ... [2024-11-13 20:34:23,456 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:23" (1/1) ... [2024-11-13 20:34:23,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:34:23,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:34:23,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:34:23,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:34:23,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:23" (1/1) ... [2024-11-13 20:34:23,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:34:23,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:34:23,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:34:23,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:34:23,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:34:23,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:34:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:34:23,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:34:23,599 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:34:23,601 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:34:23,710 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 20:34:23,711 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:34:23,748 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:34:23,749 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:34:23,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:23 BoogieIcfgContainer [2024-11-13 20:34:23,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:34:23,750 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:34:23,751 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:34:23,763 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:34:23,763 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:23" (1/1) ... [2024-11-13 20:34:23,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:34:23,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:23,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 20:34:23,838 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 20:34:23,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:34:23,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:23,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:34:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:34:23,939 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:34:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:34:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:34:23,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:34:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:34:24,013 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:34:24,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:34:24 ImpRootNode [2024-11-13 20:34:24,033 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:34:24,035 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:34:24,035 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:34:24,035 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:34:24,036 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:23" (3/4) ... [2024-11-13 20:34:24,040 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:34:24,041 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:34:24,042 INFO L158 Benchmark]: Toolchain (without parser) took 882.22ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 61.0MB in the end (delta: 31.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:34:24,044 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 83.9MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:24,044 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.72ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:34:24,045 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.78ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:24,045 INFO L158 Benchmark]: Boogie Preprocessor took 15.00ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 80.1MB in the end (delta: 420.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:24,046 INFO L158 Benchmark]: RCFGBuilder took 291.77ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 71.0MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:34:24,046 INFO L158 Benchmark]: CodeCheck took 282.72ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 61.0MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:34:24,046 INFO L158 Benchmark]: Witness Printer took 6.49ms. Allocated memory is still 117.4MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:24,050 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 - 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 someBinaryFLOATComparisonOperation at line 16, overapproximation of someBinaryArithmeticFLOAToperation at line 13. Possible FailurePath: [L10] float x, y, z, r; [L12] x = 1e7f [L13] y = x + 1.f [L14] z = x - 1.f [L15] r = y - z [L16] CALL __VERIFIER_assert(r == 2.f) [L6] COND TRUE !(cond) [L6] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 83.9MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.72ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.78ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.00ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 80.1MB in the end (delta: 420.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 291.77ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 71.0MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 282.72ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 61.0MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.49ms. Allocated memory is still 117.4MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:34:24,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/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_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/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_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_exact.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/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_ea1616da-1328-4366-9ef6-6d798c33ebfe/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 a554664720339a35a3ec026865ea1b6c4e0d3f983b8a3fb49a87ef117f533cd5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:34:26,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:34:26,826 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:34:26,874 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:34:26,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:34:26,875 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:34:26,876 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:34:26,876 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:34:26,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:34:26,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:34:26,876 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:34:26,876 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:34:26,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:34:26,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:34:26,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:34:26,877 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:34:26,877 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:34:26,877 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:34:26,877 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:34:26,877 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:34:26,880 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:34:26,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:34:26,880 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:34:26,880 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:34:26,881 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:34:26,881 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:34:26,881 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:34:26,881 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:34:26,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:34:26,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:34:26,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:34:26,882 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:34:26,882 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:34:26,882 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:34:26,882 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:34:26,882 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:34:26,882 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_ea1616da-1328-4366-9ef6-6d798c33ebfe/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 -> a554664720339a35a3ec026865ea1b6c4e0d3f983b8a3fb49a87ef117f533cd5 [2024-11-13 20:34:27,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:34:27,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:34:27,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:34:27,227 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:34:27,228 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:34:27,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/addsub_float_exact.c Unable to find full path for "g++" [2024-11-13 20:34:29,070 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:34:29,305 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:34:29,306 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/sv-benchmarks/c/float-benchs/addsub_float_exact.c [2024-11-13 20:34:29,317 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/data/3162cd644/dd9a9220ab6b43b8820ebcc7e8df7ba9/FLAG4c5dfdbfb [2024-11-13 20:34:29,339 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/data/3162cd644/dd9a9220ab6b43b8820ebcc7e8df7ba9 [2024-11-13 20:34:29,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:34:29,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:34:29,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:34:29,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:34:29,352 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:34:29,353 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:34:29" (1/1) ... [2024-11-13 20:34:29,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c7a5c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:29, skipping insertion in model container [2024-11-13 20:34:29,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:34:29" (1/1) ... [2024-11-13 20:34:29,371 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:34:29,607 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_ea1616da-1328-4366-9ef6-6d798c33ebfe/sv-benchmarks/c/float-benchs/addsub_float_exact.c[392,405] [2024-11-13 20:34:29,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:34:29,649 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:34:29,666 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_ea1616da-1328-4366-9ef6-6d798c33ebfe/sv-benchmarks/c/float-benchs/addsub_float_exact.c[392,405] [2024-11-13 20:34:29,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:34:29,696 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:34:29,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:29 WrapperNode [2024-11-13 20:34:29,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:34:29,700 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:34:29,700 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:34:29,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:34:29,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:29" (1/1) ... [2024-11-13 20:34:29,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:29" (1/1) ... [2024-11-13 20:34:29,740 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2024-11-13 20:34:29,740 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:34:29,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:34:29,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:34:29,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:34:29,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:29" (1/1) ... [2024-11-13 20:34:29,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:29" (1/1) ... [2024-11-13 20:34:29,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:29" (1/1) ... [2024-11-13 20:34:29,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:29" (1/1) ... [2024-11-13 20:34:29,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:29" (1/1) ... [2024-11-13 20:34:29,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:29" (1/1) ... [2024-11-13 20:34:29,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:29" (1/1) ... [2024-11-13 20:34:29,768 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:29" (1/1) ... [2024-11-13 20:34:29,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:34:29,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:34:29,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:34:29,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:34:29,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:29" (1/1) ... [2024-11-13 20:34:29,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:34:29,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:34:29,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:34:29,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:34:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:34:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:34:29,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:34:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:34:29,945 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:34:29,947 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:34:30,399 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 20:34:30,400 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:34:30,434 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:34:30,434 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:34:30,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:30 BoogieIcfgContainer [2024-11-13 20:34:30,435 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:34:30,436 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:34:30,436 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:34:30,449 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:34:30,449 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:30" (1/1) ... [2024-11-13 20:34:30,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:34:30,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:30,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 20:34:30,515 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 20:34:30,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:34:30,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:30,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:34:30,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:34:30,523 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:34:30,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:34:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:30,624 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:34:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:30,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 20:34:30,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:34:30,814 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 20:34:30,816 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 20:34:30,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:34:30,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:30,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-13 20:34:30,878 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-13 20:34:30,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:34:30,879 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-13 20:34:30,888 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 20:34:30,903 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:34:30,903 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2024-11-13 20:34:30,904 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:34:30,904 INFO L77 FloydHoareUtils]: At program point L6(line 6) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) [2024-11-13 20:34:30,904 INFO L75 FloydHoareUtils]: For program point L6-1(line 6) no Hoare annotation was computed. [2024-11-13 20:34:30,904 INFO L77 FloydHoareUtils]: At program point L6-3(line 6) the Hoare annotation is: true [2024-11-13 20:34:30,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:34:30 ImpRootNode [2024-11-13 20:34:30,912 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:34:30,913 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:34:30,913 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:34:30,913 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:34:30,914 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:30" (3/4) ... [2024-11-13 20:34:30,916 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:34:30,923 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 20:34:30,923 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 20:34:30,924 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 20:34:30,924 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:34:31,031 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:34:31,032 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:34:31,032 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:34:31,035 INFO L158 Benchmark]: Toolchain (without parser) took 1688.94ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 57.1MB in the end (delta: 3.6MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-13 20:34:31,036 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:31,036 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.33ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 49.7MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:34:31,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.80ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 48.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:31,038 INFO L158 Benchmark]: Boogie Preprocessor took 33.29ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 47.6MB in the end (delta: 868.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:31,039 INFO L158 Benchmark]: RCFGBuilder took 660.05ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 36.8MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:34:31,039 INFO L158 Benchmark]: CodeCheck took 475.89ms. Allocated memory is still 83.9MB. Free memory was 36.8MB in the beginning and 23.9MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:34:31,040 INFO L158 Benchmark]: Witness Printer took 119.26ms. Allocated memory is still 83.9MB. Free memory was 23.9MB in the beginning and 57.1MB in the end (delta: -33.2MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-11-13 20:34:31,044 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: 0.4s, 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, 0.2s 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 - 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 0.48ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.33ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 49.7MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.80ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 48.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.29ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 47.6MB in the end (delta: 868.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 660.05ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 36.8MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 475.89ms. Allocated memory is still 83.9MB. Free memory was 36.8MB in the beginning and 23.9MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 119.26ms. Allocated memory is still 83.9MB. Free memory was 23.9MB in the beginning and 57.1MB in the end (delta: -33.2MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 20:34:31,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1616da-1328-4366-9ef6-6d798c33ebfe/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: TRUE