./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/square_4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/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_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/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_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/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 7a48c5cd45981ad19c66d741a4ad9a0eb2d2fb135a3f4c24edf8153a131c05f3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:43:18,340 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:43:18,441 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:43:18,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:43:18,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:43:18,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:43:18,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:43:18,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:43:18,484 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:43:18,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:43:18,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:43:18,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:43:18,487 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:43:18,491 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:43:18,492 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:43:18,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:43:18,493 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:43:18,493 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:43:18,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:43:18,494 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:43:18,494 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:43:18,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:43:18,496 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:43:18,497 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:43:18,497 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:43:18,497 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:43:18,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:43:18,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:43:18,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:43:18,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:43:18,501 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:43:18,502 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:43:18,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:43:18,503 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_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a48c5cd45981ad19c66d741a4ad9a0eb2d2fb135a3f4c24edf8153a131c05f3 [2024-11-09 00:43:18,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:43:18,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:43:18,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:43:18,859 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:43:18,860 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:43:18,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cdfpl/square_4.i Unable to find full path for "g++" [2024-11-09 00:43:20,920 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:43:21,119 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:43:21,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/sv-benchmarks/c/floats-cdfpl/square_4.i [2024-11-09 00:43:21,130 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/data/33de1537b/601320b9f75d4895a2bf1a07e44809aa/FLAGa5a378425 [2024-11-09 00:43:21,149 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/data/33de1537b/601320b9f75d4895a2bf1a07e44809aa [2024-11-09 00:43:21,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:43:21,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:43:21,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:43:21,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:43:21,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:43:21,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:43:21" (1/1) ... [2024-11-09 00:43:21,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ed10d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:21, skipping insertion in model container [2024-11-09 00:43:21,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:43:21" (1/1) ... [2024-11-09 00:43:21,203 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:43:21,394 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_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/sv-benchmarks/c/floats-cdfpl/square_4.i[1629,1642] [2024-11-09 00:43:21,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:43:21,409 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:43:21,425 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_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/sv-benchmarks/c/floats-cdfpl/square_4.i[1629,1642] [2024-11-09 00:43:21,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:43:21,441 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:43:21,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:21 WrapperNode [2024-11-09 00:43:21,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:43:21,442 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:43:21,442 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:43:21,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:43:21,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:21" (1/1) ... [2024-11-09 00:43:21,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:21" (1/1) ... [2024-11-09 00:43:21,474 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2024-11-09 00:43:21,474 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:43:21,475 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:43:21,475 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:43:21,476 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:43:21,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:21" (1/1) ... [2024-11-09 00:43:21,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:21" (1/1) ... [2024-11-09 00:43:21,486 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:21" (1/1) ... [2024-11-09 00:43:21,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:21" (1/1) ... [2024-11-09 00:43:21,490 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:21" (1/1) ... [2024-11-09 00:43:21,492 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:21" (1/1) ... [2024-11-09 00:43:21,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:21" (1/1) ... [2024-11-09 00:43:21,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:21" (1/1) ... [2024-11-09 00:43:21,495 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:43:21,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:43:21,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:43:21,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:43:21,497 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:21" (1/1) ... [2024-11-09 00:43:21,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:43:21,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:43:21,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:43:21,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:43:21,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:43:21,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:43:21,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:43:21,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:43:21,654 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:43:21,657 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:43:21,789 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-09 00:43:21,789 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:43:21,832 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:43:21,832 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:43:21,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:43:21 BoogieIcfgContainer [2024-11-09 00:43:21,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:43:21,834 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:43:21,834 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:43:21,844 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:43:21,844 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:43:21" (1/1) ... [2024-11-09 00:43:21,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:43:21,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:21,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-09 00:43:21,910 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-09 00:43:21,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:43:21,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:21,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:43:21,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:43:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:43:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:43:22,041 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:43:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:43:22,054 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:43:22,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:43:22 ImpRootNode [2024-11-09 00:43:22,073 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:43:22,074 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:43:22,074 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:43:22,074 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:43:22,075 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:43:21" (3/4) ... [2024-11-09 00:43:22,077 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:43:22,079 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:43:22,080 INFO L158 Benchmark]: Toolchain (without parser) took 926.11ms. Allocated memory is still 153.1MB. Free memory was 116.8MB in the beginning and 80.5MB in the end (delta: 36.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-09 00:43:22,080 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory was 86.8MB in the beginning and 86.8MB in the end (delta: 39.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:43:22,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.89ms. Allocated memory is still 153.1MB. Free memory was 116.8MB in the beginning and 104.8MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:43:22,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.21ms. Allocated memory is still 153.1MB. Free memory was 104.2MB in the beginning and 103.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:43:22,083 INFO L158 Benchmark]: Boogie Preprocessor took 20.36ms. Allocated memory is still 153.1MB. Free memory was 103.0MB in the beginning and 102.1MB in the end (delta: 889.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:43:22,084 INFO L158 Benchmark]: RCFGBuilder took 336.59ms. Allocated memory is still 153.1MB. Free memory was 102.1MB in the beginning and 91.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:43:22,084 INFO L158 Benchmark]: CodeCheck took 239.51ms. Allocated memory is still 153.1MB. Free memory was 91.6MB in the beginning and 80.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:43:22,085 INFO L158 Benchmark]: Witness Printer took 5.04ms. Allocated memory is still 153.1MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:43:22,089 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: 38]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 37, overapproximation of someBinaryArithmeticFLOAToperation at line 35. Possible FailurePath: [L29] float IN = __VERIFIER_nondet_float(); [L30] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L24] COND FALSE !(!cond) [L30] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L32] float x = IN; [L34-L35] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L37] COND TRUE !(result >= 0.0f && result < 1.39844f) [L38] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory was 86.8MB in the beginning and 86.8MB in the end (delta: 39.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.89ms. Allocated memory is still 153.1MB. Free memory was 116.8MB in the beginning and 104.8MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.21ms. Allocated memory is still 153.1MB. Free memory was 104.2MB in the beginning and 103.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.36ms. Allocated memory is still 153.1MB. Free memory was 103.0MB in the beginning and 102.1MB in the end (delta: 889.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 336.59ms. Allocated memory is still 153.1MB. Free memory was 102.1MB in the beginning and 91.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 239.51ms. Allocated memory is still 153.1MB. Free memory was 91.6MB in the beginning and 80.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 5.04ms. Allocated memory is still 153.1MB. Free memory is still 80.5MB. 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 00:43:22,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/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_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/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_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/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 7a48c5cd45981ad19c66d741a4ad9a0eb2d2fb135a3f4c24edf8153a131c05f3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:43:24,741 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:43:24,860 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:43:24,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:43:24,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:43:24,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:43:24,907 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:43:24,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:43:24,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:43:24,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:43:24,911 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:43:24,912 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:43:24,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:43:24,912 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:43:24,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:43:24,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:43:24,913 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:43:24,917 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:43:24,919 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:43:24,920 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:43:24,920 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:43:24,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:43:24,921 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:43:24,921 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:43:24,922 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:43:24,922 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:43:24,922 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:43:24,923 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:43:24,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:43:24,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:43:24,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:43:24,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:43:24,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:43:24,924 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:43:24,927 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:43:24,928 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:43:24,928 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_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a48c5cd45981ad19c66d741a4ad9a0eb2d2fb135a3f4c24edf8153a131c05f3 [2024-11-09 00:43:25,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:43:25,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:43:25,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:43:25,359 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:43:25,361 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:43:25,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/floats-cdfpl/square_4.i Unable to find full path for "g++" [2024-11-09 00:43:27,648 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:43:27,946 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:43:27,947 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/sv-benchmarks/c/floats-cdfpl/square_4.i [2024-11-09 00:43:27,955 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/data/f291c3185/4c43208bc71645c4b4de86ddd6015b85/FLAG20ed30cc2 [2024-11-09 00:43:28,255 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/data/f291c3185/4c43208bc71645c4b4de86ddd6015b85 [2024-11-09 00:43:28,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:43:28,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:43:28,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:43:28,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:43:28,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:43:28,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:43:28" (1/1) ... [2024-11-09 00:43:28,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@724e3c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:28, skipping insertion in model container [2024-11-09 00:43:28,277 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:43:28" (1/1) ... [2024-11-09 00:43:28,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:43:28,554 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_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/sv-benchmarks/c/floats-cdfpl/square_4.i[1629,1642] [2024-11-09 00:43:28,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:43:28,590 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:43:28,617 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_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/sv-benchmarks/c/floats-cdfpl/square_4.i[1629,1642] [2024-11-09 00:43:28,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:43:28,660 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:43:28,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:28 WrapperNode [2024-11-09 00:43:28,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:43:28,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:43:28,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:43:28,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:43:28,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:28" (1/1) ... [2024-11-09 00:43:28,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:28" (1/1) ... [2024-11-09 00:43:28,715 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2024-11-09 00:43:28,716 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:43:28,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:43:28,717 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:43:28,717 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:43:28,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:28" (1/1) ... [2024-11-09 00:43:28,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:28" (1/1) ... [2024-11-09 00:43:28,735 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:28" (1/1) ... [2024-11-09 00:43:28,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:28" (1/1) ... [2024-11-09 00:43:28,754 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:28" (1/1) ... [2024-11-09 00:43:28,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:28" (1/1) ... [2024-11-09 00:43:28,761 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:28" (1/1) ... [2024-11-09 00:43:28,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:28" (1/1) ... [2024-11-09 00:43:28,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:43:28,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:43:28,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:43:28,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:43:28,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:43:28" (1/1) ... [2024-11-09 00:43:28,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:43:28,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:43:28,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:43:28,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:43:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:43:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:43:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:43:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:43:28,986 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:43:28,990 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:43:39,301 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 00:43:39,301 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:43:39,401 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:43:39,401 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:43:39,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:43:39 BoogieIcfgContainer [2024-11-09 00:43:39,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:43:39,403 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:43:39,403 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:43:39,417 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:43:39,417 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:43:39" (1/1) ... [2024-11-09 00:43:39,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:43:39,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:39,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-09 00:43:39,504 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-09 00:43:39,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:43:39,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:39,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:43:39,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:43:39,512 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:43:39,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:57:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:08,824 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:57:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:57:19,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:57:19,168 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-09 00:57:19,176 INFO L158 Benchmark]: Toolchain (without parser) took 830911.23ms. Allocated memory is still 96.5MB. Free memory was 72.8MB in the beginning and 60.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-11-09 00:57:19,176 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 67.1MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:57:19,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.31ms. Allocated memory is still 96.5MB. Free memory was 72.5MB in the beginning and 59.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:57:19,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.64ms. Allocated memory is still 96.5MB. Free memory was 59.6MB in the beginning and 58.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:57:19,181 INFO L158 Benchmark]: Boogie Preprocessor took 55.63ms. Allocated memory is still 96.5MB. Free memory was 58.1MB in the beginning and 56.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:57:19,183 INFO L158 Benchmark]: RCFGBuilder took 10628.31ms. Allocated memory is still 96.5MB. Free memory was 56.8MB in the beginning and 69.6MB in the end (delta: -12.8MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2024-11-09 00:57:19,185 INFO L158 Benchmark]: CodeCheck took 819768.26ms. Allocated memory is still 96.5MB. Free memory was 69.6MB in the beginning and 60.7MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:57:19,191 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 67.1MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.31ms. Allocated memory is still 96.5MB. Free memory was 72.5MB in the beginning and 59.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.64ms. Allocated memory is still 96.5MB. Free memory was 59.6MB in the beginning and 58.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.63ms. Allocated memory is still 96.5MB. Free memory was 58.1MB in the beginning and 56.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 10628.31ms. Allocated memory is still 96.5MB. Free memory was 56.8MB in the beginning and 69.6MB in the end (delta: -12.8MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * CodeCheck took 819768.26ms. Allocated memory is still 96.5MB. Free memory was 69.6MB in the beginning and 60.7MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:57:19,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8bf0fd2-1c1b-401a-b959-5eeceeb95592/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown