./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.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_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/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_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/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_b6e34965-f3ba-450e-8233-987ffaba97d9/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 644fedc149cdfea0c0b39babfd09647f4fb573c27a060d8d57a08553303664a9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:56:19,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:56:19,309 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:56:19,314 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:56:19,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:56:19,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:56:19,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:56:19,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:56:19,339 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:56:19,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:56:19,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:56:19,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:56:19,342 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:56:19,342 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:56:19,343 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:56:19,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:56:19,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:56:19,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:56:19,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:56:19,345 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:56:19,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:56:19,350 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:56:19,350 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:56:19,351 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:56:19,351 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:56:19,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:56:19,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:56:19,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:56:19,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:56:19,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:56:19,354 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:56:19,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:56:19,354 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:56:19,355 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_b6e34965-f3ba-450e-8233-987ffaba97d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 644fedc149cdfea0c0b39babfd09647f4fb573c27a060d8d57a08553303664a9 [2023-12-02 22:56:19,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:56:19,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:56:19,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:56:19,592 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:56:19,593 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:56:19,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c [2023-12-02 22:56:22,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:56:22,533 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:56:22,534 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c [2023-12-02 22:56:22,542 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/data/98d842eff/cfe5d0f3ae494008820ec956b260253e/FLAG8ead72746 [2023-12-02 22:56:22,558 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/data/98d842eff/cfe5d0f3ae494008820ec956b260253e [2023-12-02 22:56:22,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:56:22,562 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:56:22,563 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:56:22,564 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:56:22,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:56:22,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:56:22" (1/1) ... [2023-12-02 22:56:22,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e927919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:22, skipping insertion in model container [2023-12-02 22:56:22,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:56:22" (1/1) ... [2023-12-02 22:56:22,595 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:56:22,750 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_b6e34965-f3ba-450e-8233-987ffaba97d9/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c[709,722] [2023-12-02 22:56:22,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:56:22,787 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:56:22,799 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_b6e34965-f3ba-450e-8233-987ffaba97d9/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c[709,722] [2023-12-02 22:56:22,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:56:22,821 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:56:22,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:22 WrapperNode [2023-12-02 22:56:22,822 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:56:22,823 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:56:22,823 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:56:22,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:56:22,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:22" (1/1) ... [2023-12-02 22:56:22,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:22" (1/1) ... [2023-12-02 22:56:22,859 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2023-12-02 22:56:22,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:56:22,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:56:22,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:56:22,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:56:22,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:22" (1/1) ... [2023-12-02 22:56:22,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:22" (1/1) ... [2023-12-02 22:56:22,873 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:22" (1/1) ... [2023-12-02 22:56:22,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:22" (1/1) ... [2023-12-02 22:56:22,878 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:22" (1/1) ... [2023-12-02 22:56:22,881 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:22" (1/1) ... [2023-12-02 22:56:22,883 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:22" (1/1) ... [2023-12-02 22:56:22,884 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:22" (1/1) ... [2023-12-02 22:56:22,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:56:22,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:56:22,887 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:56:22,887 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:56:22,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:22" (1/1) ... [2023-12-02 22:56:22,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:56:22,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:56:22,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:56:22,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:56:22,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:56:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:56:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:56:22,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:56:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:56:22,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:56:23,025 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:56:23,027 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:56:23,160 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:56:23,201 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:56:23,201 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:56:23,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:23 BoogieIcfgContainer [2023-12-02 22:56:23,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:56:23,204 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:56:23,204 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:56:23,214 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:56:23,214 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:23" (1/1) ... [2023-12-02 22:56:23,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:56:23,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:23,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-12-02 22:56:23,276 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-12-02 22:56:23,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 22:56:23,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:23,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:56:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:56:23,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:56:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:56:23,409 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:56:23,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:56:23 ImpRootNode [2023-12-02 22:56:23,433 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:56:23,434 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:56:23,435 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:56:23,435 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:56:23,436 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:23" (3/4) ... [2023-12-02 22:56:23,438 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:56:23,440 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:56:23,441 INFO L158 Benchmark]: Toolchain (without parser) took 878.32ms. Allocated memory is still 163.6MB. Free memory was 133.7MB in the beginning and 96.2MB in the end (delta: 37.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-02 22:56:23,441 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:56:23,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.93ms. Allocated memory is still 163.6MB. Free memory was 133.4MB in the beginning and 122.5MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:56:23,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.64ms. Allocated memory is still 163.6MB. Free memory was 122.5MB in the beginning and 120.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:56:23,443 INFO L158 Benchmark]: Boogie Preprocessor took 25.46ms. Allocated memory is still 163.6MB. Free memory was 120.8MB in the beginning and 119.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:56:23,444 INFO L158 Benchmark]: RCFGBuilder took 316.57ms. Allocated memory is still 163.6MB. Free memory was 119.7MB in the beginning and 107.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:56:23,444 INFO L158 Benchmark]: CodeCheck took 229.79ms. Allocated memory is still 163.6MB. Free memory was 107.5MB in the beginning and 96.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:56:23,445 INFO L158 Benchmark]: Witness Printer took 5.36ms. Allocated memory is still 163.6MB. Free memory was 96.6MB in the beginning and 96.2MB in the end (delta: 371.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:56:23,449 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 2 procedures, 17 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, 6 NumberOfCodeBlocks, 6 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: 19]: 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 to_int at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 28. Possible FailurePath: [L25] int r; [L26] double a, x, s; [L27] a = __VERIFIER_nondet_double() [L28] CALL assume_abort_if_not(a>=0 && a<=5) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=5) [L29] x = a [L30] s = 3.25 [L31] r = 1 VAL [a=2, r=1, s=13/4, x=2] [L33] COND TRUE 1 VAL [a=2, r=1, s=13/4, x=2] [L34] CALL __VERIFIER_assert((int)(4*s) - 12*r*r == 1) VAL [\old(cond)=0] [L17] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L19] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.93ms. Allocated memory is still 163.6MB. Free memory was 133.4MB in the beginning and 122.5MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.64ms. Allocated memory is still 163.6MB. Free memory was 122.5MB in the beginning and 120.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.46ms. Allocated memory is still 163.6MB. Free memory was 120.8MB in the beginning and 119.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 316.57ms. Allocated memory is still 163.6MB. Free memory was 119.7MB in the beginning and 107.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 229.79ms. Allocated memory is still 163.6MB. Free memory was 107.5MB in the beginning and 96.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 5.36ms. Allocated memory is still 163.6MB. Free memory was 96.6MB in the beginning and 96.2MB in the end (delta: 371.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 22:56:23,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/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_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/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_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/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_b6e34965-f3ba-450e-8233-987ffaba97d9/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 644fedc149cdfea0c0b39babfd09647f4fb573c27a060d8d57a08553303664a9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:56:25,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:56:25,489 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:56:25,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:56:25,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:56:25,524 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:56:25,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:56:25,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:56:25,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:56:25,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:56:25,527 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:56:25,527 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:56:25,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:56:25,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:56:25,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:56:25,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:56:25,530 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:56:25,530 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:56:25,531 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:56:25,531 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:56:25,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:56:25,533 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:56:25,533 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:56:25,534 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:56:25,534 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:56:25,535 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:25,535 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:56:25,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:56:25,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:56:25,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:56:25,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:56:25,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:56:25,538 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:56:25,538 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:25,539 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:56:25,539 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:56:25,539 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:56:25,539 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_b6e34965-f3ba-450e-8233-987ffaba97d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 644fedc149cdfea0c0b39babfd09647f4fb573c27a060d8d57a08553303664a9 [2023-12-02 22:56:25,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:56:25,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:56:25,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:56:25,841 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:56:25,841 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:56:25,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c [2023-12-02 22:56:28,621 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:56:28,829 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:56:28,829 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c [2023-12-02 22:56:28,838 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/data/cc149ab23/e3986395a73f405c966683229b8064c1/FLAGe24f1d5a3 [2023-12-02 22:56:28,851 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/data/cc149ab23/e3986395a73f405c966683229b8064c1 [2023-12-02 22:56:28,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:56:28,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:56:28,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:56:28,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:56:28,862 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:56:28,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:56:28" (1/1) ... [2023-12-02 22:56:28,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e923708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:28, skipping insertion in model container [2023-12-02 22:56:28,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:56:28" (1/1) ... [2023-12-02 22:56:28,887 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:56:29,049 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_b6e34965-f3ba-450e-8233-987ffaba97d9/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c[709,722] [2023-12-02 22:56:29,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:56:29,088 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:56:29,101 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_b6e34965-f3ba-450e-8233-987ffaba97d9/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound5.c[709,722] [2023-12-02 22:56:29,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:56:29,129 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:56:29,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:29 WrapperNode [2023-12-02 22:56:29,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:56:29,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:56:29,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:56:29,132 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:56:29,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:29" (1/1) ... [2023-12-02 22:56:29,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:29" (1/1) ... [2023-12-02 22:56:29,172 INFO L138 Inliner]: procedures = 15, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2023-12-02 22:56:29,173 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:56:29,174 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:56:29,174 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:56:29,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:56:29,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:29" (1/1) ... [2023-12-02 22:56:29,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:29" (1/1) ... [2023-12-02 22:56:29,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:29" (1/1) ... [2023-12-02 22:56:29,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:29" (1/1) ... [2023-12-02 22:56:29,196 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:29" (1/1) ... [2023-12-02 22:56:29,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:29" (1/1) ... [2023-12-02 22:56:29,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:29" (1/1) ... [2023-12-02 22:56:29,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:29" (1/1) ... [2023-12-02 22:56:29,207 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:56:29,208 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:56:29,208 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:56:29,208 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:56:29,209 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:29" (1/1) ... [2023-12-02 22:56:29,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:56:29,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:56:29,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:56:29,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:56:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:56:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:56:29,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:56:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:56:29,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:56:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:56:29,359 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:56:29,361 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:56:32,726 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:56:32,780 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:56:32,781 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:56:32,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:32 BoogieIcfgContainer [2023-12-02 22:56:32,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:56:32,784 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:56:32,784 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:56:32,795 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:56:32,795 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:32" (1/1) ... [2023-12-02 22:56:32,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:56:32,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:32,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-12-02 22:56:32,859 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-12-02 22:56:32,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 22:56:32,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:32,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:32,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:32,897 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:32,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:56:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:33,050 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:33,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:56:33,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:33,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:56:33,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:56:37,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:56:42,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:56:52,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:02,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:07,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:18,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:28,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:29,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:29,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2023-12-02 22:57:29,840 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2023-12-02 22:57:29,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 22:57:29,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:29,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:29,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:29,846 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:29,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:57:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:30,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:36,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 22:57:36,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:39,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:57:39,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:57:43,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:46,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:50,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.97s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:55,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:05,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:15,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:18,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:29,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:39,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:47,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.53s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:57,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:59:07,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:59:13,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.34s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:59:24,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:59:34,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:59:42,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.35s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:59:47,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:59:51,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:59:55,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:00:02,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.76s for a HTC check with result VALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:00:03,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:00:03,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:03,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 28 states and 61 transitions. [2023-12-02 23:00:03,569 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 61 transitions. [2023-12-02 23:00:03,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:00:03,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:03,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:00:03,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:00:03,571 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:00:03,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e34965-f3ba-450e-8233-987ffaba97d9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:00:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:00:48,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:01:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat