./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_8.i --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_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/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_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/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_eda13d4f-1f1f-4022-907b-06064cd27d75/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 cb0cfd9780eeedf9aa4140ed57adc138b8bb78ff47f7ccaaeace67369ab9d2da --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:12:12,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:12:13,038 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:12:13,044 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:12:13,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:12:13,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:12:13,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:12:13,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:12:13,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:12:13,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:12:13,072 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:12:13,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:12:13,073 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:12:13,073 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:12:13,074 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:12:13,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:12:13,075 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:12:13,076 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:12:13,076 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:12:13,077 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:12:13,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:12:13,078 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:12:13,078 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:12:13,079 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:12:13,079 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:12:13,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:12:13,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:12:13,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:12:13,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:12:13,081 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:12:13,082 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:12:13,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:12:13,082 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:12:13,083 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_eda13d4f-1f1f-4022-907b-06064cd27d75/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb0cfd9780eeedf9aa4140ed57adc138b8bb78ff47f7ccaaeace67369ab9d2da [2023-12-02 22:12:13,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:12:13,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:12:13,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:12:13,354 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:12:13,354 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:12:13,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/floats-cdfpl/newton_1_8.i [2023-12-02 22:12:16,087 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:12:16,240 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:12:16,241 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/sv-benchmarks/c/floats-cdfpl/newton_1_8.i [2023-12-02 22:12:16,247 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/data/c6a9bb8a3/218ecf547b15449385e007140e24643b/FLAG1b884e5fe [2023-12-02 22:12:16,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/data/c6a9bb8a3/218ecf547b15449385e007140e24643b [2023-12-02 22:12:16,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:12:16,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:12:16,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:12:16,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:12:16,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:12:16,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:12:16" (1/1) ... [2023-12-02 22:12:16,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632fe066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:16, skipping insertion in model container [2023-12-02 22:12:16,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:12:16" (1/1) ... [2023-12-02 22:12:16,285 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:12:16,442 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_eda13d4f-1f1f-4022-907b-06064cd27d75/sv-benchmarks/c/floats-cdfpl/newton_1_8.i[1722,1735] [2023-12-02 22:12:16,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:12:16,455 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:12:16,472 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_eda13d4f-1f1f-4022-907b-06064cd27d75/sv-benchmarks/c/floats-cdfpl/newton_1_8.i[1722,1735] [2023-12-02 22:12:16,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:12:16,486 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:12:16,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:16 WrapperNode [2023-12-02 22:12:16,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:12:16,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:12:16,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:12:16,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:12:16,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:16" (1/1) ... [2023-12-02 22:12:16,500 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:16" (1/1) ... [2023-12-02 22:12:16,513 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30 [2023-12-02 22:12:16,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:12:16,514 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:12:16,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:12:16,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:12:16,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:16" (1/1) ... [2023-12-02 22:12:16,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:16" (1/1) ... [2023-12-02 22:12:16,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:16" (1/1) ... [2023-12-02 22:12:16,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:16" (1/1) ... [2023-12-02 22:12:16,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:16" (1/1) ... [2023-12-02 22:12:16,528 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:16" (1/1) ... [2023-12-02 22:12:16,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:16" (1/1) ... [2023-12-02 22:12:16,529 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:16" (1/1) ... [2023-12-02 22:12:16,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:12:16,531 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:12:16,531 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:12:16,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:12:16,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:16" (1/1) ... [2023-12-02 22:12:16,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:12:16,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:12:16,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:12:16,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:12:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:12:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:12:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:12:16,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:12:16,655 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:12:16,657 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:12:16,728 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:12:16,769 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:12:16,769 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:12:16,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:12:16 BoogieIcfgContainer [2023-12-02 22:12:16,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:12:16,772 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:12:16,772 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:12:16,782 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:12:16,782 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:12:16" (1/1) ... [2023-12-02 22:12:16,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:12:16,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:16,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-02 22:12:16,849 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-02 22:12:16,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 22:12:16,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:16,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:12:16,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:12:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:12:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:12:16,987 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:12:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:12:17,001 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:12:17,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:12:17 ImpRootNode [2023-12-02 22:12:17,022 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:12:17,023 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:12:17,023 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:12:17,023 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:12:17,024 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:12:16" (3/4) ... [2023-12-02 22:12:17,026 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:12:17,028 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:12:17,029 INFO L158 Benchmark]: Toolchain (without parser) took 766.10ms. Allocated memory is still 159.4MB. Free memory was 121.9MB in the beginning and 98.9MB in the end (delta: 23.0MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2023-12-02 22:12:17,029 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:12:17,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.71ms. Allocated memory is still 159.4MB. Free memory was 121.6MB in the beginning and 123.5MB in the end (delta: -1.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:12:17,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.54ms. Allocated memory is still 159.4MB. Free memory was 123.5MB in the beginning and 121.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:12:17,032 INFO L158 Benchmark]: Boogie Preprocessor took 16.24ms. Allocated memory is still 159.4MB. Free memory was 121.7MB in the beginning and 120.8MB in the end (delta: 890.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:12:17,032 INFO L158 Benchmark]: RCFGBuilder took 239.51ms. Allocated memory is still 159.4MB. Free memory was 120.8MB in the beginning and 110.0MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:12:17,033 INFO L158 Benchmark]: CodeCheck took 250.81ms. Allocated memory is still 159.4MB. Free memory was 110.0MB in the beginning and 99.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:12:17,034 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 159.4MB. Free memory was 99.2MB in the beginning and 98.9MB in the end (delta: 301.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:12:17,038 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: 51]: 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 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 29. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -2.0f && IN < 2.0f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -2.0f && IN < 2.0f) [L42] CALL, EXPR f(IN) [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L42] RET, EXPR f(IN) [L42] CALL, EXPR fp(IN) [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L42] RET, EXPR fp(IN) [L42] float x = IN - f(IN)/fp(IN); [L50] COND TRUE !(x < 0.1) [L51] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.71ms. Allocated memory is still 159.4MB. Free memory was 121.6MB in the beginning and 123.5MB in the end (delta: -1.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.54ms. Allocated memory is still 159.4MB. Free memory was 123.5MB in the beginning and 121.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.24ms. Allocated memory is still 159.4MB. Free memory was 121.7MB in the beginning and 120.8MB in the end (delta: 890.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 239.51ms. Allocated memory is still 159.4MB. Free memory was 120.8MB in the beginning and 110.0MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 250.81ms. Allocated memory is still 159.4MB. Free memory was 110.0MB in the beginning and 99.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 159.4MB. Free memory was 99.2MB in the beginning and 98.9MB in the end (delta: 301.2kB). 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 22:12:17,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/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_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/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_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/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_eda13d4f-1f1f-4022-907b-06064cd27d75/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 cb0cfd9780eeedf9aa4140ed57adc138b8bb78ff47f7ccaaeace67369ab9d2da --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:12:19,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:12:19,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:12:19,179 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:12:19,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:12:19,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:12:19,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:12:19,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:12:19,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:12:19,184 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:12:19,184 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:12:19,185 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:12:19,185 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:12:19,186 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:12:19,187 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:12:19,187 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:12:19,188 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:12:19,188 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:12:19,189 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:12:19,189 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:12:19,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:12:19,190 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:12:19,191 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:12:19,191 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:12:19,192 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:12:19,192 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:19,193 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:12:19,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:12:19,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:12:19,194 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:12:19,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:12:19,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:12:19,195 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:12:19,196 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:19,196 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:12:19,196 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:12:19,196 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:12:19,196 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_eda13d4f-1f1f-4022-907b-06064cd27d75/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb0cfd9780eeedf9aa4140ed57adc138b8bb78ff47f7ccaaeace67369ab9d2da [2023-12-02 22:12:19,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:12:19,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:12:19,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:12:19,549 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:12:19,549 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:12:19,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/floats-cdfpl/newton_1_8.i [2023-12-02 22:12:22,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:12:22,539 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:12:22,540 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/sv-benchmarks/c/floats-cdfpl/newton_1_8.i [2023-12-02 22:12:22,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/data/548736874/519f2e4c2a154e36bba62c5b125a00c1/FLAGbd30aae9f [2023-12-02 22:12:22,564 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/data/548736874/519f2e4c2a154e36bba62c5b125a00c1 [2023-12-02 22:12:22,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:12:22,568 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:12:22,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:12:22,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:12:22,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:12:22,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:12:22" (1/1) ... [2023-12-02 22:12:22,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@797975f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:22, skipping insertion in model container [2023-12-02 22:12:22,575 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:12:22" (1/1) ... [2023-12-02 22:12:22,601 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:12:22,796 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_eda13d4f-1f1f-4022-907b-06064cd27d75/sv-benchmarks/c/floats-cdfpl/newton_1_8.i[1722,1735] [2023-12-02 22:12:22,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:12:22,817 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:12:22,838 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_eda13d4f-1f1f-4022-907b-06064cd27d75/sv-benchmarks/c/floats-cdfpl/newton_1_8.i[1722,1735] [2023-12-02 22:12:22,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:12:22,859 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:12:22,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:22 WrapperNode [2023-12-02 22:12:22,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:12:22,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:12:22,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:12:22,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:12:22,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:22" (1/1) ... [2023-12-02 22:12:22,882 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:22" (1/1) ... [2023-12-02 22:12:22,904 INFO L138 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 31 [2023-12-02 22:12:22,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:12:22,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:12:22,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:12:22,906 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:12:22,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:22" (1/1) ... [2023-12-02 22:12:22,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:22" (1/1) ... [2023-12-02 22:12:22,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:22" (1/1) ... [2023-12-02 22:12:22,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:22" (1/1) ... [2023-12-02 22:12:22,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:22" (1/1) ... [2023-12-02 22:12:22,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:22" (1/1) ... [2023-12-02 22:12:22,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:22" (1/1) ... [2023-12-02 22:12:22,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:22" (1/1) ... [2023-12-02 22:12:22,939 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:12:22,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:12:22,940 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:12:22,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:12:22,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:22" (1/1) ... [2023-12-02 22:12:22,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:12:22,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:12:22,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:12:22,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:12:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:12:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:12:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:12:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:12:23,112 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:12:23,114 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:12:44,157 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:12:44,213 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:12:44,214 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:12:44,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:12:44 BoogieIcfgContainer [2023-12-02 22:12:44,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:12:44,216 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:12:44,216 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:12:44,226 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:12:44,226 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:12:44" (1/1) ... [2023-12-02 22:12:44,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:12:44,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:44,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-02 22:12:44,286 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-02 22:12:44,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 22:12:44,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:44,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:12:44,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:12:44,290 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:12:44,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eda13d4f-1f1f-4022-907b-06064cd27d75/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process