./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk --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 b99743698ab3c7d4b9a6ed0a9848578e31609919a215161232195dca61aa5c4e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:25:00,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:25:00,078 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:25:00,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:25:00,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:25:00,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:25:00,108 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:25:00,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:25:00,110 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:25:00,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:25:00,111 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:25:00,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:25:00,112 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:25:00,112 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:25:00,113 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:25:00,113 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:25:00,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:25:00,114 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:25:00,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:25:00,115 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:25:00,120 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:25:00,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:25:00,121 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:25:00,122 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:25:00,122 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:25:00,122 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:25:00,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:25:00,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:25:00,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:25:00,124 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:25:00,124 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:25:00,124 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:25:00,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:25:00,129 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b99743698ab3c7d4b9a6ed0a9848578e31609919a215161232195dca61aa5c4e [2024-11-09 00:25:00,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:25:00,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:25:00,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:25:00,508 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:25:00,508 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:25:00,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i Unable to find full path for "g++" [2024-11-09 00:25:02,708 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:25:02,889 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:25:02,890 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i [2024-11-09 00:25:02,898 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/data/ec03e6736/179efe1f34e742a687985166222bdfbb/FLAG899ee493e [2024-11-09 00:25:03,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/data/ec03e6736/179efe1f34e742a687985166222bdfbb [2024-11-09 00:25:03,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:25:03,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:25:03,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:25:03,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:25:03,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:25:03,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:25:03" (1/1) ... [2024-11-09 00:25:03,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f54c74f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:03, skipping insertion in model container [2024-11-09 00:25:03,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:25:03" (1/1) ... [2024-11-09 00:25:03,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:25:03,552 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_7e23f31e-184e-460c-8f80-8028c39fcd42/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i[2011,2024] [2024-11-09 00:25:03,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:25:03,572 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:25:03,595 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_7e23f31e-184e-460c-8f80-8028c39fcd42/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i[2011,2024] [2024-11-09 00:25:03,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:25:03,621 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:25:03,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:03 WrapperNode [2024-11-09 00:25:03,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:25:03,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:25:03,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:25:03,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:25:03,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:03" (1/1) ... [2024-11-09 00:25:03,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:03" (1/1) ... [2024-11-09 00:25:03,659 INFO L138 Inliner]: procedures = 17, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2024-11-09 00:25:03,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:25:03,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:25:03,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:25:03,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:25:03,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:03" (1/1) ... [2024-11-09 00:25:03,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:03" (1/1) ... [2024-11-09 00:25:03,674 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:03" (1/1) ... [2024-11-09 00:25:03,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:03" (1/1) ... [2024-11-09 00:25:03,681 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:03" (1/1) ... [2024-11-09 00:25:03,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:03" (1/1) ... [2024-11-09 00:25:03,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:03" (1/1) ... [2024-11-09 00:25:03,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:03" (1/1) ... [2024-11-09 00:25:03,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:25:03,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:25:03,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:25:03,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:25:03,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:03" (1/1) ... [2024-11-09 00:25:03,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:25:03,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:25:03,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:25:03,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:25:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:25:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:25:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:25:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 00:25:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:25:03,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:25:03,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:25:03,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:25:03,840 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:25:03,842 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:25:03,965 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-09 00:25:03,965 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:25:04,004 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:25:04,004 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:25:04,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:25:04 BoogieIcfgContainer [2024-11-09 00:25:04,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:25:04,006 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:25:04,006 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:25:04,019 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:25:04,019 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:25:04" (1/1) ... [2024-11-09 00:25:04,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:25:04,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:04,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-09 00:25:04,090 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-09 00:25:04,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:25:04,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:04,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:25:04,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:25:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:25:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:25:04,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:25:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:25:04,409 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:25:04,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:25:04 ImpRootNode [2024-11-09 00:25:04,442 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:25:04,443 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:25:04,443 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:25:04,443 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:25:04,444 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:25:04" (3/4) ... [2024-11-09 00:25:04,449 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:25:04,451 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:25:04,451 INFO L158 Benchmark]: Toolchain (without parser) took 1174.08ms. Allocated memory is still 184.5MB. Free memory was 143.9MB in the beginning and 153.8MB in the end (delta: -9.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:25:04,453 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 104.9MB. Free memory was 71.1MB in the beginning and 71.1MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:25:04,453 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.39ms. Allocated memory is still 184.5MB. Free memory was 143.9MB in the beginning and 131.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:25:04,454 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.60ms. Allocated memory is still 184.5MB. Free memory was 130.8MB in the beginning and 129.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:25:04,455 INFO L158 Benchmark]: Boogie Preprocessor took 27.31ms. Allocated memory is still 184.5MB. Free memory was 129.6MB in the beginning and 128.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:25:04,456 INFO L158 Benchmark]: RCFGBuilder took 316.39ms. Allocated memory is still 184.5MB. Free memory was 128.4MB in the beginning and 117.6MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:25:04,457 INFO L158 Benchmark]: CodeCheck took 436.00ms. Allocated memory is still 184.5MB. Free memory was 117.6MB in the beginning and 153.8MB in the end (delta: -36.2MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2024-11-09 00:25:04,458 INFO L158 Benchmark]: Witness Printer took 7.91ms. Allocated memory is still 184.5MB. Free memory is still 153.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:25:04,462 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: 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: 114]: 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 someBinaryArithmeticFLOAToperation at line 111, overapproximation of someUnaryDOUBLEoperation at line 122. Possible FailurePath: [L122] CALL f00(-0x1.6b890ep+29, 0x1.6b890ep+29) [L111] float sum = a + b; [L112] union mix m; [L113] m.f = sum [L114] EXPR m.i [L114] COND TRUE !(m.i != 0x80000000) [L114] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 104.9MB. Free memory was 71.1MB in the beginning and 71.1MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.39ms. Allocated memory is still 184.5MB. Free memory was 143.9MB in the beginning and 131.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.60ms. Allocated memory is still 184.5MB. Free memory was 130.8MB in the beginning and 129.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.31ms. Allocated memory is still 184.5MB. Free memory was 129.6MB in the beginning and 128.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 316.39ms. Allocated memory is still 184.5MB. Free memory was 128.4MB in the beginning and 117.6MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 436.00ms. Allocated memory is still 184.5MB. Free memory was 117.6MB in the beginning and 153.8MB in the end (delta: -36.2MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Witness Printer took 7.91ms. Allocated memory is still 184.5MB. Free memory is still 153.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:25:04,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk --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 b99743698ab3c7d4b9a6ed0a9848578e31609919a215161232195dca61aa5c4e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:25:07,194 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:25:07,305 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:25:07,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:25:07,371 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:25:07,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:25:07,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:25:07,374 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:25:07,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:25:07,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:25:07,375 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:25:07,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:25:07,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:25:07,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:25:07,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:25:07,378 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:25:07,378 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:25:07,379 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:25:07,379 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:25:07,379 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:25:07,380 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:25:07,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:25:07,382 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:25:07,382 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:25:07,383 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:25:07,383 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:25:07,384 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:07,384 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:25:07,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:25:07,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:25:07,389 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:25:07,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:25:07,390 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:25:07,390 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:25:07,390 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:07,391 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:25:07,391 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b99743698ab3c7d4b9a6ed0a9848578e31609919a215161232195dca61aa5c4e [2024-11-09 00:25:07,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:25:07,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:25:07,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:25:07,847 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:25:07,848 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:25:07,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i Unable to find full path for "g++" [2024-11-09 00:25:10,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:25:10,290 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:25:10,291 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i [2024-11-09 00:25:10,302 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/data/40906ccf6/1b7fc4f7d2d34b63bf21fd9fca8b8899/FLAGa3e866319 [2024-11-09 00:25:10,332 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/data/40906ccf6/1b7fc4f7d2d34b63bf21fd9fca8b8899 [2024-11-09 00:25:10,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:25:10,338 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:25:10,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:25:10,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:25:10,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:25:10,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:25:10" (1/1) ... [2024-11-09 00:25:10,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64072d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:10, skipping insertion in model container [2024-11-09 00:25:10,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:25:10" (1/1) ... [2024-11-09 00:25:10,396 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:25:10,667 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_7e23f31e-184e-460c-8f80-8028c39fcd42/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i[2011,2024] [2024-11-09 00:25:10,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:25:10,703 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:25:10,732 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_7e23f31e-184e-460c-8f80-8028c39fcd42/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i[2011,2024] [2024-11-09 00:25:10,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:25:10,772 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:25:10,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:10 WrapperNode [2024-11-09 00:25:10,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:25:10,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:25:10,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:25:10,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:25:10,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:10" (1/1) ... [2024-11-09 00:25:10,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:10" (1/1) ... [2024-11-09 00:25:10,826 INFO L138 Inliner]: procedures = 20, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2024-11-09 00:25:10,827 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:25:10,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:25:10,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:25:10,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:25:10,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:10" (1/1) ... [2024-11-09 00:25:10,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:10" (1/1) ... [2024-11-09 00:25:10,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:10" (1/1) ... [2024-11-09 00:25:10,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:10" (1/1) ... [2024-11-09 00:25:10,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:10" (1/1) ... [2024-11-09 00:25:10,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:10" (1/1) ... [2024-11-09 00:25:10,866 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:10" (1/1) ... [2024-11-09 00:25:10,872 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:10" (1/1) ... [2024-11-09 00:25:10,875 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:25:10,876 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:25:10,876 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:25:10,876 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:25:10,877 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:10" (1/1) ... [2024-11-09 00:25:10,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:25:10,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:25:10,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:25:10,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:25:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:25:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:25:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:25:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 00:25:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:25:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:25:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-09 00:25:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:25:11,079 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:25:11,082 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:25:11,349 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-09 00:25:11,350 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:25:11,416 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:25:11,416 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:25:11,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:25:11 BoogieIcfgContainer [2024-11-09 00:25:11,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:25:11,422 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:25:11,422 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:25:11,435 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:25:11,435 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:25:11" (1/1) ... [2024-11-09 00:25:11,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:25:11,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:11,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-09 00:25:11,515 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-09 00:25:11,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:25:11,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:11,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:11,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:11,522 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:11,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:25:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:11,675 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:11,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:25:11,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:11,870 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:25:11,873 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2024-11-09 00:25:11,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:25:11,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:25:12,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:12,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-09 00:25:12,000 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-09 00:25:12,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:25:12,001 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-09 00:25:12,010 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:25:12,027 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:25:12,028 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 114) no Hoare annotation was computed. [2024-11-09 00:25:12,029 INFO L77 FloydHoareUtils]: At program point L114(line 114) the Hoare annotation is: (= (fp ((_ extract 31 31) |ULTIMATE.start_f00_#t~mem1#1|) ((_ extract 30 23) |ULTIMATE.start_f00_#t~mem1#1|) ((_ extract 22 0) |ULTIMATE.start_f00_#t~mem1#1|)) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 762388928.0))) (fp.add roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.neg .cse0)) ((_ to_fp 8 24) roundNearestTiesToEven .cse0)))) [2024-11-09 00:25:12,029 INFO L75 FloydHoareUtils]: For program point L114-1(line 114) no Hoare annotation was computed. [2024-11-09 00:25:12,030 INFO L77 FloydHoareUtils]: At program point L114-3(line 114) the Hoare annotation is: true [2024-11-09 00:25:12,030 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:25:12,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:25:12 ImpRootNode [2024-11-09 00:25:12,041 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:25:12,041 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:25:12,042 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:25:12,042 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:25:12,043 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:25:11" (3/4) ... [2024-11-09 00:25:12,046 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:25:12,056 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-09 00:25:12,057 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 00:25:12,057 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:25:12,057 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:25:12,141 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:25:12,141 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:25:12,141 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:25:12,142 INFO L158 Benchmark]: Toolchain (without parser) took 1804.00ms. Allocated memory is still 94.4MB. Free memory was 70.2MB in the beginning and 45.6MB in the end (delta: 24.7MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2024-11-09 00:25:12,143 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:25:12,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.35ms. Allocated memory is still 94.4MB. Free memory was 70.0MB in the beginning and 56.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:25:12,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.66ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 55.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:25:12,145 INFO L158 Benchmark]: Boogie Preprocessor took 47.31ms. Allocated memory is still 94.4MB. Free memory was 55.0MB in the beginning and 53.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:25:12,145 INFO L158 Benchmark]: RCFGBuilder took 541.39ms. Allocated memory is still 94.4MB. Free memory was 53.6MB in the beginning and 67.1MB in the end (delta: -13.5MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-11-09 00:25:12,146 INFO L158 Benchmark]: CodeCheck took 618.77ms. Allocated memory is still 94.4MB. Free memory was 67.1MB in the beginning and 49.8MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:25:12,146 INFO L158 Benchmark]: Witness Printer took 100.26ms. Allocated memory is still 94.4MB. Free memory was 49.8MB in the beginning and 45.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:25:12,149 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: 0.5s, 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, 0.0s 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, 22 SizeOfPredicates, 3 NumberOfNonLiveVariables, 25 ConjunctsInSsa, 7 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: 114]: 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 0.76ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.35ms. Allocated memory is still 94.4MB. Free memory was 70.0MB in the beginning and 56.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.66ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 55.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.31ms. Allocated memory is still 94.4MB. Free memory was 55.0MB in the beginning and 53.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 541.39ms. Allocated memory is still 94.4MB. Free memory was 53.6MB in the beginning and 67.1MB in the end (delta: -13.5MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * CodeCheck took 618.77ms. Allocated memory is still 94.4MB. Free memory was 67.1MB in the beginning and 49.8MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 100.26ms. Allocated memory is still 94.4MB. Free memory was 49.8MB in the beginning and 45.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 00:25:12,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e23f31e-184e-460c-8f80-8028c39fcd42/bin/ukojak-verify-ImItNfHLgk/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