./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9 --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 1f9d99a1e914bb5db4e356a6920ef9cb10f38df5cae5223ce35a4e418e6502dd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:37:37,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:37:37,517 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:37:37,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:37:37,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:37:37,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:37:37,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:37:37,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:37:37,544 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:37:37,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:37:37,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:37:37,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:37:37,546 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:37:37,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:37:37,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:37:37,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:37:37,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:37:37,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:37:37,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:37:37,549 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:37:37,550 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:37:37,551 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:37:37,551 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:37:37,552 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:37:37,552 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:37:37,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:37:37,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:37:37,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:37:37,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:37:37,554 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:37:37,555 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:37:37,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:37:37,555 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:37:37,556 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_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f9d99a1e914bb5db4e356a6920ef9cb10f38df5cae5223ce35a4e418e6502dd [2023-12-02 21:37:37,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:37:37,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:37:37,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:37:37,780 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:37:37,780 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:37:37,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2023-12-02 21:37:40,527 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:37:40,689 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:37:40,689 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2023-12-02 21:37:40,697 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/data/629ffe15a/1b758c8d95014bc8b1cf9b755d6cbbdd/FLAG9397e1421 [2023-12-02 21:37:40,711 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/data/629ffe15a/1b758c8d95014bc8b1cf9b755d6cbbdd [2023-12-02 21:37:40,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:37:40,715 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:37:40,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:37:40,716 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:37:40,721 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:37:40,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:40,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35965dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40, skipping insertion in model container [2023-12-02 21:37:40,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:40,750 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:37:40,900 WARN L240 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_dadcc097-334f-477c-963a-f9d348be5f4c/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c[585,598] [2023-12-02 21:37:40,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:37:40,923 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:37:40,936 WARN L240 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_dadcc097-334f-477c-963a-f9d348be5f4c/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c[585,598] [2023-12-02 21:37:40,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:37:40,957 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:37:40,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40 WrapperNode [2023-12-02 21:37:40,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:37:40,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:37:40,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:37:40,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:37:40,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:40,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:40,992 INFO L138 Inliner]: procedures = 18, calls = 17, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2023-12-02 21:37:40,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:37:40,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:37:40,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:37:40,993 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:37:41,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:41,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:41,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:41,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:41,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:41,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:41,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:41,014 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:41,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:37:41,017 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:37:41,017 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:37:41,017 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:37:41,018 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:40" (1/1) ... [2023-12-02 21:37:41,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:37:41,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:37:41,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:37:41,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:37:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:37:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:37:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:37:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 21:37:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:37:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 21:37:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:37:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:37:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:37:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:37:41,160 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:37:41,162 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:37:41,267 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:37:41,313 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:37:41,314 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:37:41,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:41 BoogieIcfgContainer [2023-12-02 21:37:41,315 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:37:41,316 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:37:41,316 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:37:41,324 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:37:41,324 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:41" (1/1) ... [2023-12-02 21:37:41,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:37:41,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:41,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-02 21:37:41,379 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-02 21:37:41,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:37:41,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:41,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:37:41,489 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:37:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:37:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:37:41,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:37:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:37:41,581 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:37:41,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:37:41 ImpRootNode [2023-12-02 21:37:41,604 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:37:41,604 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:37:41,604 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:37:41,605 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:37:41,605 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:41" (3/4) ... [2023-12-02 21:37:41,607 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:37:41,608 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:37:41,610 INFO L158 Benchmark]: Toolchain (without parser) took 894.22ms. Allocated memory is still 157.3MB. Free memory was 117.6MB in the beginning and 77.8MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-02 21:37:41,610 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 45.8MB in the beginning and 45.6MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:37:41,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.91ms. Allocated memory is still 157.3MB. Free memory was 117.6MB in the beginning and 107.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:37:41,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.47ms. Allocated memory is still 157.3MB. Free memory was 107.1MB in the beginning and 105.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:37:41,612 INFO L158 Benchmark]: Boogie Preprocessor took 23.04ms. Allocated memory is still 157.3MB. Free memory was 105.5MB in the beginning and 104.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:37:41,613 INFO L158 Benchmark]: RCFGBuilder took 298.65ms. Allocated memory is still 157.3MB. Free memory was 104.0MB in the beginning and 91.9MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:37:41,614 INFO L158 Benchmark]: CodeCheck took 287.90ms. Allocated memory is still 157.3MB. Free memory was 91.9MB in the beginning and 77.8MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:37:41,614 INFO L158 Benchmark]: Witness Printer took 4.26ms. Allocated memory is still 157.3MB. Free memory was 77.8MB in the beginning and 77.8MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:37:41,618 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: 13]: 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 48, overapproximation of someBinaryDOUBLEComparisonOperation at line 52, overapproximation of someBinaryArithmeticFLOAToperation at line 22. Possible FailurePath: [L45] float a,r; [L47] a = __VERIFIER_nondet_float() [L48] CALL assume_abort_if_not(a >= 0.1f && a <= 100.f) [L11] COND FALSE !(!cond) [L48] RET assume_abort_if_not(a >= 0.1f && a <= 100.f) [L50] CALL, EXPR InvSqrt(a) [L22] float xhalf = 0.5f*x; [L23] union float_int i; [L24] i.f = x [L25] EXPR i.i [L25] i.i = 0x5f3759df - (i.i>>1) [L26] EXPR i.f [L26] x = i.f [L27] x = x*(1.5f-xhalf*x*x) [L28] return x; [L28] return x; [L50] RET, EXPR InvSqrt(a) [L50] r = InvSqrt(a) [L52] CALL __VERIFIER_assert(r >= 0.f && r <= 10.) [L13] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L13] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 45.8MB in the beginning and 45.6MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.91ms. Allocated memory is still 157.3MB. Free memory was 117.6MB in the beginning and 107.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.47ms. Allocated memory is still 157.3MB. Free memory was 107.1MB in the beginning and 105.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.04ms. Allocated memory is still 157.3MB. Free memory was 105.5MB in the beginning and 104.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 298.65ms. Allocated memory is still 157.3MB. Free memory was 104.0MB in the beginning and 91.9MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 287.90ms. Allocated memory is still 157.3MB. Free memory was 91.9MB in the beginning and 77.8MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.26ms. Allocated memory is still 157.3MB. Free memory was 77.8MB in the beginning and 77.8MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:37:41,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/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_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9 --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 1f9d99a1e914bb5db4e356a6920ef9cb10f38df5cae5223ce35a4e418e6502dd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:37:43,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:37:43,642 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 21:37:43,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:37:43,675 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:37:43,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:37:43,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:37:43,677 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:37:43,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:37:43,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:37:43,678 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:37:43,679 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:37:43,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:37:43,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:37:43,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:37:43,681 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:37:43,681 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:37:43,682 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:37:43,682 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:37:43,683 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:37:43,683 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:37:43,684 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:37:43,684 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:37:43,685 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:37:43,685 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:37:43,686 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:43,686 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:37:43,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:37:43,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:37:43,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:37:43,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:37:43,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:37:43,689 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:37:43,689 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:43,689 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:37:43,690 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:37:43,690 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:37:43,690 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f9d99a1e914bb5db4e356a6920ef9cb10f38df5cae5223ce35a4e418e6502dd [2023-12-02 21:37:43,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:37:43,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:37:43,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:37:43,981 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:37:43,981 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:37:43,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2023-12-02 21:37:46,665 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:37:46,852 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:37:46,852 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c [2023-12-02 21:37:46,860 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/data/6480c9b4c/2fe1f7fa051c485aa796727bcdbe80f9/FLAGb5a0829db [2023-12-02 21:37:46,875 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/data/6480c9b4c/2fe1f7fa051c485aa796727bcdbe80f9 [2023-12-02 21:37:46,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:37:46,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:37:46,881 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:37:46,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:37:46,886 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:37:46,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:37:46" (1/1) ... [2023-12-02 21:37:46,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16eff94b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:46, skipping insertion in model container [2023-12-02 21:37:46,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:37:46" (1/1) ... [2023-12-02 21:37:46,908 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:37:47,067 WARN L240 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_dadcc097-334f-477c-963a-f9d348be5f4c/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c[585,598] [2023-12-02 21:37:47,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:37:47,097 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:37:47,111 WARN L240 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_dadcc097-334f-477c-963a-f9d348be5f4c/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c[585,598] [2023-12-02 21:37:47,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:37:47,136 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:37:47,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47 WrapperNode [2023-12-02 21:37:47,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:37:47,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:37:47,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:37:47,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:37:47,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,177 INFO L138 Inliner]: procedures = 21, calls = 17, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2023-12-02 21:37:47,177 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:37:47,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:37:47,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:37:47,179 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:37:47,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,193 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,193 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,204 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,208 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:37:47,212 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:37:47,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:37:47,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:37:47,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:47" (1/1) ... [2023-12-02 21:37:47,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:37:47,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:37:47,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:37:47,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:37:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:37:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:37:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:37:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 21:37:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 21:37:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:37:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:37:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 21:37:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:37:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 21:37:47,368 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:37:47,370 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:37:52,563 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:37:52,624 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:37:52,625 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:37:52,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:52 BoogieIcfgContainer [2023-12-02 21:37:52,626 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:37:52,627 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:37:52,627 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:37:52,635 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:37:52,635 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:52" (1/1) ... [2023-12-02 21:37:52,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:37:52,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:52,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-02 21:37:52,685 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-02 21:37:52,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:37:52,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:52,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:52,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:52,689 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:52,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:37:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:53,244 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 21:38:03,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:38:03,432 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:488) 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) [2023-12-02 21:38:03,435 INFO L158 Benchmark]: Toolchain (without parser) took 16555.57ms. Allocated memory is still 92.3MB. Free memory was 68.9MB in the beginning and 57.3MB in the end (delta: 11.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-12-02 21:38:03,436 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:38:03,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.49ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 57.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:38:03,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.79ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 55.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:38:03,437 INFO L158 Benchmark]: Boogie Preprocessor took 33.03ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 54.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:38:03,438 INFO L158 Benchmark]: RCFGBuilder took 5414.53ms. Allocated memory is still 92.3MB. Free memory was 54.2MB in the beginning and 66.2MB in the end (delta: -12.0MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2023-12-02 21:38:03,438 INFO L158 Benchmark]: CodeCheck took 10806.79ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 57.3MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 21:38:03,440 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:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.49ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 57.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.79ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 55.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.03ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 54.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 5414.53ms. Allocated memory is still 92.3MB. Free memory was 54.2MB in the beginning and 66.2MB in the end (delta: -12.0MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * CodeCheck took 10806.79ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 57.3MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:38:03,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dadcc097-334f-477c-963a-f9d348be5f4c/bin/ukojak-verify-Qdu7aM0XO9/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