./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float3.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_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/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_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/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_587aa86c-d917-4091-9b02-3a9e4da502b0/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 bfc84f7de0a9f57990dc33f292919523a52aa1e7a1c1eca24395d6b28aed01b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:42:36,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:42:36,633 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:42:36,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:42:36,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:42:36,662 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:42:36,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:42:36,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:42:36,663 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:42:36,663 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:42:36,664 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:42:36,664 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:42:36,664 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:42:36,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:42:36,664 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:42:36,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:42:36,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:42:36,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:42:36,664 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:42:36,665 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:42:36,665 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:42:36,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:42:36,665 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:42:36,665 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:42:36,665 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:42:36,665 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:42:36,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:42:36,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:42:36,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:42:36,666 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:42:36,666 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:42:36,666 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:42:36,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:42:36,666 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_587aa86c-d917-4091-9b02-3a9e4da502b0/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 -> bfc84f7de0a9f57990dc33f292919523a52aa1e7a1c1eca24395d6b28aed01b7 [2024-11-13 21:42:36,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:42:36,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:42:36,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:42:36,987 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:42:36,987 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:42:36,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cbmc-regression/float3.c Unable to find full path for "g++" [2024-11-13 21:42:39,077 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:42:39,313 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:42:39,314 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/sv-benchmarks/c/floats-cbmc-regression/float3.c [2024-11-13 21:42:39,329 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/data/bdb636f88/f38232d4ed9b478aba37a7fcdf8b1639/FLAGef65d1bae [2024-11-13 21:42:39,349 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/data/bdb636f88/f38232d4ed9b478aba37a7fcdf8b1639 [2024-11-13 21:42:39,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:42:39,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:42:39,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:42:39,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:42:39,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:42:39,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:42:39" (1/1) ... [2024-11-13 21:42:39,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9047c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:39, skipping insertion in model container [2024-11-13 21:42:39,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:42:39" (1/1) ... [2024-11-13 21:42:39,378 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:42:39,561 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_587aa86c-d917-4091-9b02-3a9e4da502b0/sv-benchmarks/c/floats-cbmc-regression/float3.c[465,478] [2024-11-13 21:42:39,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:42:39,574 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:42:39,587 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_587aa86c-d917-4091-9b02-3a9e4da502b0/sv-benchmarks/c/floats-cbmc-regression/float3.c[465,478] [2024-11-13 21:42:39,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:42:39,603 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:42:39,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:39 WrapperNode [2024-11-13 21:42:39,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:42:39,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:42:39,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:42:39,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:42:39,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:39" (1/1) ... [2024-11-13 21:42:39,619 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:39" (1/1) ... [2024-11-13 21:42:39,635 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2024-11-13 21:42:39,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:42:39,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:42:39,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:42:39,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:42:39,643 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:39" (1/1) ... [2024-11-13 21:42:39,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:39" (1/1) ... [2024-11-13 21:42:39,644 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:39" (1/1) ... [2024-11-13 21:42:39,645 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:39" (1/1) ... [2024-11-13 21:42:39,648 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:39" (1/1) ... [2024-11-13 21:42:39,651 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:39" (1/1) ... [2024-11-13 21:42:39,653 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:39" (1/1) ... [2024-11-13 21:42:39,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:39" (1/1) ... [2024-11-13 21:42:39,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:42:39,656 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:42:39,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:42:39,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:42:39,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:39" (1/1) ... [2024-11-13 21:42:39,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:42:39,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:42:39,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:42:39,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:42:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:42:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:42:39,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:42:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:42:39,788 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:42:39,790 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:42:39,863 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-13 21:42:39,863 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:42:39,923 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:42:39,923 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:42:39,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:42:39 BoogieIcfgContainer [2024-11-13 21:42:39,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:42:39,924 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:42:39,924 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:42:39,937 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:42:39,938 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:42:39" (1/1) ... [2024-11-13 21:42:39,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:42:39,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:39,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 21:42:39,996 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 21:42:39,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:42:39,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:39,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:42:40,087 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:42:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:42:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:42:40,154 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:42:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:42:40,183 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:42:40,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:42:40 ImpRootNode [2024-11-13 21:42:40,215 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:42:40,216 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:42:40,216 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:42:40,216 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:42:40,217 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:42:39" (3/4) ... [2024-11-13 21:42:40,225 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:42:40,226 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:42:40,227 INFO L158 Benchmark]: Toolchain (without parser) took 873.41ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 60.8MB in the end (delta: 32.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:42:40,232 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:42:40,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.91ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 82.8MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:42:40,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.93ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:42:40,233 INFO L158 Benchmark]: Boogie Preprocessor took 18.37ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 81.2MB in the end (delta: 451.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:42:40,234 INFO L158 Benchmark]: RCFGBuilder took 267.80ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 71.0MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:42:40,234 INFO L158 Benchmark]: CodeCheck took 290.94ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 61.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:42:40,235 INFO L158 Benchmark]: Witness Printer took 9.84ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 60.8MB in the end (delta: 212.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:42:40,243 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: 26]: 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 22, overapproximation of someBinaryDOUBLEComparisonOperation at line 26. Possible FailurePath: [L6] double d = 0.0; [L15] int x = 2; [L17] COND TRUE __VERIFIER_nondet_int() [L18] x = 4 [L20] CALL f1() [L10] d = 1.0 [L20] RET f1() [L22] d += (x == 2) [L24] d += (x > 3) [L26] COND TRUE !(d == 2.0) [L26] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.91ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 82.8MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.93ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.37ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 81.2MB in the end (delta: 451.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 267.80ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 71.0MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 290.94ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 61.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 9.84ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 60.8MB in the end (delta: 212.1kB). 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 21:42:40,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/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_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/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_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/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_587aa86c-d917-4091-9b02-3a9e4da502b0/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 bfc84f7de0a9f57990dc33f292919523a52aa1e7a1c1eca24395d6b28aed01b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:42:42,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:42:43,051 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:42:43,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:42:43,094 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:42:43,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:42:43,095 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:42:43,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:42:43,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:42:43,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:42:43,096 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:42:43,096 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:42:43,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:42:43,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:42:43,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:42:43,098 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:42:43,099 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:42:43,099 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:42:43,099 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:42:43,099 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:42:43,099 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:42:43,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:42:43,099 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:42:43,099 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:42:43,100 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:42:43,100 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:42:43,100 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:43,100 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:42:43,100 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:42:43,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:42:43,100 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:42:43,100 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:42:43,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:42:43,100 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:42:43,101 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:43,101 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:42:43,101 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_587aa86c-d917-4091-9b02-3a9e4da502b0/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 -> bfc84f7de0a9f57990dc33f292919523a52aa1e7a1c1eca24395d6b28aed01b7 [2024-11-13 21:42:43,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:42:43,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:42:43,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:42:43,445 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:42:43,445 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:42:43,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cbmc-regression/float3.c Unable to find full path for "g++" [2024-11-13 21:42:45,386 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:42:45,581 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:42:45,582 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/sv-benchmarks/c/floats-cbmc-regression/float3.c [2024-11-13 21:42:45,591 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/data/4bc344494/bc977e60fcff45c29a0e73ba95f8674d/FLAG695bf643d [2024-11-13 21:42:45,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/data/4bc344494/bc977e60fcff45c29a0e73ba95f8674d [2024-11-13 21:42:45,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:42:45,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:42:45,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:42:45,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:42:45,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:42:45,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:42:45" (1/1) ... [2024-11-13 21:42:45,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1be76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:45, skipping insertion in model container [2024-11-13 21:42:45,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:42:45" (1/1) ... [2024-11-13 21:42:45,971 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:42:46,120 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_587aa86c-d917-4091-9b02-3a9e4da502b0/sv-benchmarks/c/floats-cbmc-regression/float3.c[465,478] [2024-11-13 21:42:46,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:42:46,141 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:42:46,152 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_587aa86c-d917-4091-9b02-3a9e4da502b0/sv-benchmarks/c/floats-cbmc-regression/float3.c[465,478] [2024-11-13 21:42:46,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:42:46,168 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:42:46,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46 WrapperNode [2024-11-13 21:42:46,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:42:46,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:42:46,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:42:46,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:42:46,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46" (1/1) ... [2024-11-13 21:42:46,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46" (1/1) ... [2024-11-13 21:42:46,199 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2024-11-13 21:42:46,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:42:46,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:42:46,201 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:42:46,201 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:42:46,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46" (1/1) ... [2024-11-13 21:42:46,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46" (1/1) ... [2024-11-13 21:42:46,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46" (1/1) ... [2024-11-13 21:42:46,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46" (1/1) ... [2024-11-13 21:42:46,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46" (1/1) ... [2024-11-13 21:42:46,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46" (1/1) ... [2024-11-13 21:42:46,228 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46" (1/1) ... [2024-11-13 21:42:46,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46" (1/1) ... [2024-11-13 21:42:46,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:42:46,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:42:46,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:42:46,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:42:46,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:42:46" (1/1) ... [2024-11-13 21:42:46,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:42:46,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:42:46,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:42:46,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:42:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:42:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:42:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:42:46,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:42:46,384 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:42:46,386 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:42:46,931 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-13 21:42:46,932 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:42:47,039 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:42:47,040 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:42:47,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:42:47 BoogieIcfgContainer [2024-11-13 21:42:47,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:42:47,041 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:42:47,041 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:42:47,052 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:42:47,052 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:42:47" (1/1) ... [2024-11-13 21:42:47,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:42:47,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:47,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 21:42:47,106 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 21:42:47,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:42:47,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:47,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:47,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:47,111 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:47,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:42:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:47,298 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:47,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:42:47,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:48,102 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 21:42:48,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:42:48,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:48,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-13 21:42:48,565 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-13 21:42:48,566 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:42:48,566 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-13 21:42:48,574 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 21:42:48,609 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:42:48,609 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= (fp.add currentRoundingMode (fp.add currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) ((_ to_fp 11 53) currentRoundingMode (_ bv0 32))) ((_ to_fp 11 53) currentRoundingMode (_ bv1 32))) ~d~0)) [2024-11-13 21:42:48,609 INFO L75 FloydHoareUtils]: For program point L26-1(line 26) no Hoare annotation was computed. [2024-11-13 21:42:48,610 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 26) no Hoare annotation was computed. [2024-11-13 21:42:48,610 INFO L77 FloydHoareUtils]: At program point L13(lines 13 27) the Hoare annotation is: true [2024-11-13 21:42:48,610 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:42:48,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:42:48 ImpRootNode [2024-11-13 21:42:48,614 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:42:48,614 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:42:48,615 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:42:48,615 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:42:48,615 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:42:47" (3/4) ... [2024-11-13 21:42:48,617 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:42:48,621 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-13 21:42:48,621 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 21:42:48,622 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:42:48,622 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:42:48,705 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:42:48,706 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:42:48,706 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:42:48,709 INFO L158 Benchmark]: Toolchain (without parser) took 2752.61ms. Allocated memory is still 83.9MB. Free memory was 61.3MB in the beginning and 40.6MB in the end (delta: 20.8MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2024-11-13 21:42:48,709 INFO L158 Benchmark]: CDTParser took 3.28ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:42:48,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.14ms. Allocated memory is still 83.9MB. Free memory was 61.3MB in the beginning and 50.3MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:42:48,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.18ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 49.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:42:48,710 INFO L158 Benchmark]: Boogie Preprocessor took 34.64ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 48.3MB in the end (delta: 689.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:42:48,710 INFO L158 Benchmark]: RCFGBuilder took 804.85ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 36.6MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:42:48,710 INFO L158 Benchmark]: CodeCheck took 1572.59ms. Allocated memory is still 83.9MB. Free memory was 36.3MB in the beginning and 44.4MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:42:48,711 INFO L158 Benchmark]: Witness Printer took 91.32ms. Allocated memory is still 83.9MB. Free memory was 44.4MB in the beginning and 40.6MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:42:48,713 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: 1.5s, 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, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.4s 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 2 NumberOfNonLiveVariables, 17 ConjunctsInSsa, 4 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: 26]: 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 3.28ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.14ms. Allocated memory is still 83.9MB. Free memory was 61.3MB in the beginning and 50.3MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.18ms. Allocated memory is still 83.9MB. Free memory was 50.3MB in the beginning and 49.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.64ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 48.3MB in the end (delta: 689.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 804.85ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 36.6MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1572.59ms. Allocated memory is still 83.9MB. Free memory was 36.3MB in the beginning and 44.4MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 91.32ms. Allocated memory is still 83.9MB. Free memory was 44.4MB in the beginning and 40.6MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:42:48,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_587aa86c-d917-4091-9b02-3a9e4da502b0/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