./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.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_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/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_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/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_a1ababa7-cc5b-4634-a3a3-713081f3cc33/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 9e271d51a4895d6829627c8d6a2b55a420fbf6e6ae6e508e3db072a395850af3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:53:26,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:53:27,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:53:27,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:53:27,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:53:27,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:53:27,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:53:27,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:53:27,093 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:53:27,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:53:27,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:53:27,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:53:27,095 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:53:27,096 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:53:27,096 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:53:27,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:53:27,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:53:27,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:53:27,098 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:53:27,099 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:53:27,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:53:27,100 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:53:27,101 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:53:27,101 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:53:27,102 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:53:27,102 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:53:27,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:53:27,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:53:27,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:53:27,104 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:53:27,104 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:53:27,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:53:27,105 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:53:27,105 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_a1ababa7-cc5b-4634-a3a3-713081f3cc33/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e271d51a4895d6829627c8d6a2b55a420fbf6e6ae6e508e3db072a395850af3 [2023-12-02 21:53:27,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:53:27,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:53:27,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:53:27,343 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:53:27,344 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:53:27,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2023-12-02 21:53:30,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:53:30,299 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:53:30,299 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2023-12-02 21:53:30,306 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/data/b28ccc209/6da9ef3b95c74253a402161a9b28856b/FLAG77e12762d [2023-12-02 21:53:30,321 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/data/b28ccc209/6da9ef3b95c74253a402161a9b28856b [2023-12-02 21:53:30,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:53:30,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:53:30,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:53:30,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:53:30,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:53:30,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:53:30" (1/1) ... [2023-12-02 21:53:30,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3040ddf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:30, skipping insertion in model container [2023-12-02 21:53:30,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:53:30" (1/1) ... [2023-12-02 21:53:30,351 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:53:30,485 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_a1ababa7-cc5b-4634-a3a3-713081f3cc33/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c[440,453] [2023-12-02 21:53:30,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:53:30,501 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:53:30,517 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_a1ababa7-cc5b-4634-a3a3-713081f3cc33/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c[440,453] [2023-12-02 21:53:30,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:53:30,532 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:53:30,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:30 WrapperNode [2023-12-02 21:53:30,533 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:53:30,534 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:53:30,534 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:53:30,534 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:53:30,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:30" (1/1) ... [2023-12-02 21:53:30,546 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:30" (1/1) ... [2023-12-02 21:53:30,561 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2023-12-02 21:53:30,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:53:30,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:53:30,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:53:30,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:53:30,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:30" (1/1) ... [2023-12-02 21:53:30,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:30" (1/1) ... [2023-12-02 21:53:30,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:30" (1/1) ... [2023-12-02 21:53:30,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:30" (1/1) ... [2023-12-02 21:53:30,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:30" (1/1) ... [2023-12-02 21:53:30,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:30" (1/1) ... [2023-12-02 21:53:30,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:30" (1/1) ... [2023-12-02 21:53:30,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:30" (1/1) ... [2023-12-02 21:53:30,578 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:53:30,579 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:53:30,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:53:30,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:53:30,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:30" (1/1) ... [2023-12-02 21:53:30,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:53:30,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:53:30,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:53:30,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:53:30,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:53:30,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:53:30,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:53:30,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:53:30,709 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:53:30,712 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:53:30,785 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:53:30,808 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:53:30,808 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:53:30,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:53:30 BoogieIcfgContainer [2023-12-02 21:53:30,810 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:53:30,811 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:53:30,811 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:53:30,819 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:53:30,819 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:53:30" (1/1) ... [2023-12-02 21:53:30,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:53:30,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:30,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-02 21:53:30,875 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-02 21:53:30,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:53:30,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:30,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:53:30,953 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:53:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:53:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:53:31,009 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:53:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:53:31,023 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:53:31,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:53:31 ImpRootNode [2023-12-02 21:53:31,045 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:53:31,046 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:53:31,046 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:53:31,047 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:53:31,047 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:53:30" (3/4) ... [2023-12-02 21:53:31,049 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:53:31,051 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:53:31,052 INFO L158 Benchmark]: Toolchain (without parser) took 725.67ms. Allocated memory is still 157.3MB. Free memory was 125.1MB in the beginning and 90.1MB in the end (delta: 35.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-02 21:53:31,052 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:53:31,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.72ms. Allocated memory is still 157.3MB. Free memory was 125.1MB in the beginning and 114.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:53:31,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.52ms. Allocated memory is still 157.3MB. Free memory was 114.3MB in the beginning and 112.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:53:31,054 INFO L158 Benchmark]: Boogie Preprocessor took 16.53ms. Allocated memory is still 157.3MB. Free memory was 112.8MB in the beginning and 111.8MB in the end (delta: 928.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:53:31,055 INFO L158 Benchmark]: RCFGBuilder took 230.82ms. Allocated memory is still 157.3MB. Free memory was 111.8MB in the beginning and 102.3MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:53:31,056 INFO L158 Benchmark]: CodeCheck took 234.78ms. Allocated memory is still 157.3MB. Free memory was 102.3MB in the beginning and 90.6MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:53:31,056 INFO L158 Benchmark]: Witness Printer took 4.58ms. Allocated memory is still 157.3MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:53:31,059 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: 12]: 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 12, overapproximation of someBinaryArithmeticFLOAToperation at line 10, overapproximation of someUnaryFLOAToperation at line 7. Possible FailurePath: [L6] float f = 0x1.9e0c22p-101f; [L7] float g = -0x1.3c9014p-50f; [L8] float target = -0x1p-149f; [L10] float result = f * g; VAL [\old(argc)=4, argc=4, argv={6:5}, f=13567505/21267647932558653966460912964485513216] [L12] COND TRUE !(result == target) VAL [\old(argc)=4, argc=4, argv={6:5}, f=13567505/21267647932558653966460912964485513216] [L12] reach_error() VAL [\old(argc)=4, argc=4, argv={6:5}, f=13567505/21267647932558653966460912964485513216] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.72ms. Allocated memory is still 157.3MB. Free memory was 125.1MB in the beginning and 114.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.52ms. Allocated memory is still 157.3MB. Free memory was 114.3MB in the beginning and 112.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.53ms. Allocated memory is still 157.3MB. Free memory was 112.8MB in the beginning and 111.8MB in the end (delta: 928.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 230.82ms. Allocated memory is still 157.3MB. Free memory was 111.8MB in the beginning and 102.3MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 234.78ms. Allocated memory is still 157.3MB. Free memory was 102.3MB in the beginning and 90.6MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.58ms. Allocated memory is still 157.3MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:53:31,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/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_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/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_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/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_a1ababa7-cc5b-4634-a3a3-713081f3cc33/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 9e271d51a4895d6829627c8d6a2b55a420fbf6e6ae6e508e3db072a395850af3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:53:33,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:53:33,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 21:53:33,115 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:53:33,116 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:53:33,117 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:53:33,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:53:33,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:53:33,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:53:33,119 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:53:33,120 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:53:33,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:53:33,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:53:33,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:53:33,123 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:53:33,123 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:53:33,124 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:53:33,124 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:53:33,125 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:53:33,125 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:53:33,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:53:33,127 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:53:33,127 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:53:33,128 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:53:33,129 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:53:33,129 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:53:33,129 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:53:33,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:53:33,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:53:33,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:53:33,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:53:33,132 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:53:33,132 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:53:33,132 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:53:33,132 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:53:33,133 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:53:33,133 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:53:33,133 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_a1ababa7-cc5b-4634-a3a3-713081f3cc33/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e271d51a4895d6829627c8d6a2b55a420fbf6e6ae6e508e3db072a395850af3 [2023-12-02 21:53:33,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:53:33,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:53:33,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:53:33,464 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:53:33,465 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:53:33,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2023-12-02 21:53:36,281 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:53:36,295 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 21:53:36,493 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:53:36,494 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c [2023-12-02 21:53:36,501 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/data/16a59a83b/0bc95924ce834ab295d03d2ff1fb2dbd/FLAGca6846072 [2023-12-02 21:53:36,517 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/data/16a59a83b/0bc95924ce834ab295d03d2ff1fb2dbd [2023-12-02 21:53:36,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:53:36,521 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:53:36,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:53:36,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:53:36,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:53:36,528 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:53:36" (1/1) ... [2023-12-02 21:53:36,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32f658a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:36, skipping insertion in model container [2023-12-02 21:53:36,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:53:36" (1/1) ... [2023-12-02 21:53:36,554 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:53:36,755 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_a1ababa7-cc5b-4634-a3a3-713081f3cc33/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c[440,453] [2023-12-02 21:53:36,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:53:36,782 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:53:36,806 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_a1ababa7-cc5b-4634-a3a3-713081f3cc33/sv-benchmarks/c/floats-cbmc-regression/float-no-simp7.c[440,453] [2023-12-02 21:53:36,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:53:36,827 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:53:36,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:36 WrapperNode [2023-12-02 21:53:36,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:53:36,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:53:36,830 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:53:36,830 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:53:36,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:36" (1/1) ... [2023-12-02 21:53:36,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:36" (1/1) ... [2023-12-02 21:53:36,870 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2023-12-02 21:53:36,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:53:36,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:53:36,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:53:36,872 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:53:36,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:36" (1/1) ... [2023-12-02 21:53:36,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:36" (1/1) ... [2023-12-02 21:53:36,887 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:36" (1/1) ... [2023-12-02 21:53:36,887 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:36" (1/1) ... [2023-12-02 21:53:36,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:36" (1/1) ... [2023-12-02 21:53:36,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:36" (1/1) ... [2023-12-02 21:53:36,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:36" (1/1) ... [2023-12-02 21:53:36,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:36" (1/1) ... [2023-12-02 21:53:36,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:53:36,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:53:36,906 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:53:36,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:53:36,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:53:36" (1/1) ... [2023-12-02 21:53:36,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:53:36,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:53:36,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:53:36,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:53:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:53:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:53:36,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:53:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:53:37,081 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:53:37,083 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:53:37,302 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:53:37,334 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:53:37,334 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:53:37,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:53:37 BoogieIcfgContainer [2023-12-02 21:53:37,336 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:53:37,337 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:53:37,337 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:53:37,353 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:53:37,353 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:53:37" (1/1) ... [2023-12-02 21:53:37,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:53:37,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:37,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-02 21:53:37,413 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-02 21:53:37,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:53:37,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:37,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:53:37,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:53:37,417 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:53:37,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:53:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:37,562 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:53:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:37,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:53:37,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:37,755 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 21:53:37,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:53:38,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:38,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2023-12-02 21:53:38,186 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2023-12-02 21:53:38,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 21:53:38,186 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-12-02 21:53:38,195 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 21:53:38,211 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:53:38,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:53:38 ImpRootNode [2023-12-02 21:53:38,214 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:53:38,214 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:53:38,214 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:53:38,214 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:53:38,215 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:53:37" (3/4) ... [2023-12-02 21:53:38,216 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 21:53:38,222 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-12-02 21:53:38,222 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 21:53:38,222 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 21:53:38,222 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 21:53:38,222 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 21:53:38,285 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 21:53:38,286 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 21:53:38,286 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:53:38,286 INFO L158 Benchmark]: Toolchain (without parser) took 1765.37ms. Allocated memory is still 111.1MB. Free memory was 87.7MB in the beginning and 72.6MB in the end (delta: 15.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-12-02 21:53:38,287 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:53:38,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.93ms. Allocated memory is still 111.1MB. Free memory was 87.4MB in the beginning and 76.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:53:38,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.57ms. Allocated memory is still 111.1MB. Free memory was 76.3MB in the beginning and 74.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:53:38,288 INFO L158 Benchmark]: Boogie Preprocessor took 33.49ms. Allocated memory is still 111.1MB. Free memory was 74.9MB in the beginning and 73.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:53:38,289 INFO L158 Benchmark]: RCFGBuilder took 429.86ms. Allocated memory is still 111.1MB. Free memory was 73.6MB in the beginning and 63.3MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:53:38,290 INFO L158 Benchmark]: CodeCheck took 876.95ms. Allocated memory is still 111.1MB. Free memory was 63.3MB in the beginning and 76.7MB in the end (delta: -13.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:53:38,290 INFO L158 Benchmark]: Witness Printer took 71.86ms. Allocated memory is still 111.1MB. Free memory was 76.7MB in the beginning and 72.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:53:38,293 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: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 5 NumberOfNonLiveVariables, 23 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.93ms. Allocated memory is still 111.1MB. Free memory was 87.4MB in the beginning and 76.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.57ms. Allocated memory is still 111.1MB. Free memory was 76.3MB in the beginning and 74.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.49ms. Allocated memory is still 111.1MB. Free memory was 74.9MB in the beginning and 73.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 429.86ms. Allocated memory is still 111.1MB. Free memory was 73.6MB in the beginning and 63.3MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 876.95ms. Allocated memory is still 111.1MB. Free memory was 63.3MB in the beginning and 76.7MB in the end (delta: -13.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 71.86ms. Allocated memory is still 111.1MB. Free memory was 76.7MB in the beginning and 72.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 21:53:38,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1ababa7-cc5b-4634-a3a3-713081f3cc33/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE