./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/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_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/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_5698503c-8ef9-4c58-8282-e52acb771867/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 2ce1ea73380d9456a1f136ae7fb40364a65fd1608042e66fc50d954be964842d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:33:12,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:33:12,956 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:33:12,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:33:12,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:33:12,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:33:12,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:33:12,995 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:33:12,996 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:33:12,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:33:12,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:33:12,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:33:12,999 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:33:12,999 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:33:13,000 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:33:13,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:33:13,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:33:13,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:33:13,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:33:13,003 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:33:13,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:33:13,005 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:33:13,006 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:33:13,006 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:33:13,007 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:33:13,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:33:13,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:33:13,009 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:33:13,009 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:33:13,010 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:33:13,010 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:33:13,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:33:13,011 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:33:13,011 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_5698503c-8ef9-4c58-8282-e52acb771867/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ce1ea73380d9456a1f136ae7fb40364a65fd1608042e66fc50d954be964842d [2023-12-03 00:33:13,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:33:13,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:33:13,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:33:13,323 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:33:13,323 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:33:13,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-20.i [2023-12-03 00:33:16,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:33:17,029 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:33:17,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-20.i [2023-12-03 00:33:17,040 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/data/f554cd45a/cdddd67943524e718e4adc96e1b99f7a/FLAGede7f12d1 [2023-12-03 00:33:17,055 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/data/f554cd45a/cdddd67943524e718e4adc96e1b99f7a [2023-12-03 00:33:17,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:33:17,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:33:17,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:33:17,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:33:17,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:33:17,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:33:17" (1/1) ... [2023-12-03 00:33:17,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@602e6191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:17, skipping insertion in model container [2023-12-03 00:33:17,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:33:17" (1/1) ... [2023-12-03 00:33:17,098 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:33:17,245 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_5698503c-8ef9-4c58-8282-e52acb771867/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-20.i[915,928] [2023-12-03 00:33:17,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:33:17,295 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:33:17,308 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_5698503c-8ef9-4c58-8282-e52acb771867/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-20.i[915,928] [2023-12-03 00:33:17,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:33:17,344 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:33:17,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:17 WrapperNode [2023-12-03 00:33:17,345 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:33:17,346 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:33:17,346 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:33:17,347 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:33:17,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:17" (1/1) ... [2023-12-03 00:33:17,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:17" (1/1) ... [2023-12-03 00:33:17,393 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2023-12-03 00:33:17,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:33:17,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:33:17,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:33:17,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:33:17,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:17" (1/1) ... [2023-12-03 00:33:17,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:17" (1/1) ... [2023-12-03 00:33:17,406 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:17" (1/1) ... [2023-12-03 00:33:17,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:17" (1/1) ... [2023-12-03 00:33:17,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:17" (1/1) ... [2023-12-03 00:33:17,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:17" (1/1) ... [2023-12-03 00:33:17,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:17" (1/1) ... [2023-12-03 00:33:17,421 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:17" (1/1) ... [2023-12-03 00:33:17,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:33:17,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:33:17,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:33:17,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:33:17,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:17" (1/1) ... [2023-12-03 00:33:17,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:33:17,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:33:17,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:33:17,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:33:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:33:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:33:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:33:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:33:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:33:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:33:17,573 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:33:17,576 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:33:17,765 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:33:17,887 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:33:17,887 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:33:17,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:33:17 BoogieIcfgContainer [2023-12-03 00:33:17,890 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:33:17,891 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:33:17,891 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:33:17,904 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:33:17,905 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:33:17" (1/1) ... [2023-12-03 00:33:17,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:33:17,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:17,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-12-03 00:33:17,987 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-12-03 00:33:17,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:33:17,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:17,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:33:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:33:18,192 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:33:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:33:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:33:18,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:33:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:33:18,430 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:33:18,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:33:18 ImpRootNode [2023-12-03 00:33:18,477 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:33:18,478 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:33:18,478 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:33:18,478 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:33:18,479 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:33:17" (3/4) ... [2023-12-03 00:33:18,482 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:33:18,484 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:33:18,485 INFO L158 Benchmark]: Toolchain (without parser) took 1425.45ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 100.7MB in the beginning and 140.2MB in the end (delta: -39.5MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2023-12-03 00:33:18,486 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:33:18,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.08ms. Allocated memory is still 134.2MB. Free memory was 100.3MB in the beginning and 88.7MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:33:18,488 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.61ms. Allocated memory is still 134.2MB. Free memory was 88.7MB in the beginning and 87.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:33:18,488 INFO L158 Benchmark]: Boogie Preprocessor took 29.13ms. Allocated memory is still 134.2MB. Free memory was 87.1MB in the beginning and 85.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:33:18,489 INFO L158 Benchmark]: RCFGBuilder took 465.39ms. Allocated memory is still 134.2MB. Free memory was 85.7MB in the beginning and 68.2MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 00:33:18,490 INFO L158 Benchmark]: CodeCheck took 585.98ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 68.2MB in the beginning and 141.3MB in the end (delta: -73.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:33:18,491 INFO L158 Benchmark]: Witness Printer took 6.03ms. Allocated memory is still 180.4MB. Free memory was 140.2MB in the beginning and 140.2MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:33:18,496 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 36. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 0.6; [L23] unsigned char var_1_2 = 0; [L24] float var_1_3 = 0.0; [L25] float var_1_4 = 2.95; [L26] float var_1_5 = 8.5; [L27] float var_1_6 = 999999999999.4; [L28] double var_1_7 = 10.2; [L29] double var_1_8 = 32.7; [L30] double var_1_9 = 32.75; [L31] double last_1_var_1_8 = 32.7; [L79] isInitial = 1 [L80] FCALL initially() [L81] COND TRUE 1 [L82] CALL updateLastVariables() [L72] last_1_var_1_8 = var_1_8 [L82] RET updateLastVariables() [L83] CALL updateVariables() [L59] var_1_2 = __VERIFIER_nondet_uchar() [L60] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L61] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L62] var_1_3 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_3 >= 4611686.018427382800e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not((var_1_3 >= 4611686.018427382800e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L64] var_1_4 = __VERIFIER_nondet_float() [L65] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L66] var_1_5 = __VERIFIER_nondet_float() [L67] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L68] var_1_6 = __VERIFIER_nondet_float() [L69] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=327/10, var_1_1=3/5, var_1_2=0, var_1_7=51/5, var_1_8=327/10, var_1_9=131/4] [L83] RET updateVariables() [L84] CALL step() [L35] COND FALSE !(\read(var_1_2)) [L38] var_1_1 = (var_1_4 + var_1_6) [L40] COND FALSE !(\read(var_1_2)) [L43] COND FALSE !(\read(var_1_2)) [L50] COND TRUE var_1_7 <= var_1_5 [L51] var_1_8 = var_1_6 [L54] COND TRUE var_1_4 != (var_1_3 - var_1_5) [L55] var_1_9 = var_1_6 [L84] RET step() [L85] CALL, EXPR property() [L75-L76] return (((var_1_2 ? (var_1_1 == ((float) ((var_1_3 - var_1_4) - var_1_5))) : (var_1_1 == ((float) (var_1_4 + var_1_6)))) && (var_1_2 ? (var_1_7 == ((double) ((((((var_1_3 - 255.719)) < (var_1_5)) ? ((var_1_3 - 255.719)) : (var_1_5))) - 2.3))) : 1)) && (var_1_2 ? ((var_1_7 >= ((((last_1_var_1_8) > (var_1_6)) ? (last_1_var_1_8) : (var_1_6)))) ? (var_1_8 == ((double) (var_1_5 - var_1_3))) : (var_1_8 == ((double) var_1_4))) : ((var_1_7 <= var_1_5) ? (var_1_8 == ((double) var_1_6)) : 1))) && ((var_1_4 != (var_1_3 - var_1_5)) ? (var_1_9 == ((double) var_1_6)) : 1) ; [L85] RET, EXPR property() [L85] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_8=327/10, var_1_2=0, var_1_4=0, var_1_6=131/4, var_1_7=51/5, var_1_8=131/4, var_1_9=131/4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_8=327/10, var_1_2=0, var_1_4=0, var_1_6=131/4, var_1_7=51/5, var_1_8=131/4, var_1_9=131/4] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.08ms. Allocated memory is still 134.2MB. Free memory was 100.3MB in the beginning and 88.7MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.61ms. Allocated memory is still 134.2MB. Free memory was 88.7MB in the beginning and 87.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.13ms. Allocated memory is still 134.2MB. Free memory was 87.1MB in the beginning and 85.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 465.39ms. Allocated memory is still 134.2MB. Free memory was 85.7MB in the beginning and 68.2MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 585.98ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 68.2MB in the beginning and 141.3MB in the end (delta: -73.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.03ms. Allocated memory is still 180.4MB. Free memory was 140.2MB in the beginning and 140.2MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:33:18,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/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_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/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_5698503c-8ef9-4c58-8282-e52acb771867/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 2ce1ea73380d9456a1f136ae7fb40364a65fd1608042e66fc50d954be964842d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:33:20,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:33:20,970 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:33:21,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:33:21,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:33:21,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:33:21,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:33:21,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:33:21,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:33:21,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:33:21,014 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:33:21,015 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:33:21,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:33:21,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:33:21,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:33:21,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:33:21,018 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:33:21,019 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:33:21,020 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:33:21,020 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:33:21,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:33:21,021 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:33:21,022 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:33:21,023 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:33:21,023 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:33:21,024 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:21,024 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:33:21,025 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:33:21,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:33:21,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:33:21,027 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:33:21,028 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:33:21,028 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:33:21,028 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:21,029 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:33:21,029 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:33:21,030 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:33:21,030 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_5698503c-8ef9-4c58-8282-e52acb771867/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ce1ea73380d9456a1f136ae7fb40364a65fd1608042e66fc50d954be964842d [2023-12-03 00:33:21,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:33:21,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:33:21,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:33:21,409 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:33:21,409 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:33:21,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-20.i [2023-12-03 00:33:24,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:33:25,182 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:33:25,183 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-20.i [2023-12-03 00:33:25,192 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/data/a9ee3b748/b0646e231a7f4006a3fa65d3378ad5be/FLAG0d2c35a95 [2023-12-03 00:33:25,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/data/a9ee3b748/b0646e231a7f4006a3fa65d3378ad5be [2023-12-03 00:33:25,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:33:25,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:33:25,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:33:25,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:33:25,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:33:25,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:33:25" (1/1) ... [2023-12-03 00:33:25,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d04e554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:25, skipping insertion in model container [2023-12-03 00:33:25,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:33:25" (1/1) ... [2023-12-03 00:33:25,246 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:33:25,397 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_5698503c-8ef9-4c58-8282-e52acb771867/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-20.i[915,928] [2023-12-03 00:33:25,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:33:25,453 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:33:25,465 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_5698503c-8ef9-4c58-8282-e52acb771867/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-20.i[915,928] [2023-12-03 00:33:25,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:33:25,502 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:33:25,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:25 WrapperNode [2023-12-03 00:33:25,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:33:25,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:33:25,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:33:25,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:33:25,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:25" (1/1) ... [2023-12-03 00:33:25,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:25" (1/1) ... [2023-12-03 00:33:25,553 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2023-12-03 00:33:25,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:33:25,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:33:25,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:33:25,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:33:25,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:25" (1/1) ... [2023-12-03 00:33:25,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:25" (1/1) ... [2023-12-03 00:33:25,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:25" (1/1) ... [2023-12-03 00:33:25,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:25" (1/1) ... [2023-12-03 00:33:25,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:25" (1/1) ... [2023-12-03 00:33:25,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:25" (1/1) ... [2023-12-03 00:33:25,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:25" (1/1) ... [2023-12-03 00:33:25,593 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:25" (1/1) ... [2023-12-03 00:33:25,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:33:25,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:33:25,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:33:25,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:33:25,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:33:25" (1/1) ... [2023-12-03 00:33:25,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:33:25,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:33:25,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:33:25,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:33:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:33:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:33:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:33:25,674 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:33:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:33:25,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:33:25,765 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:33:25,767 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:33:39,642 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:33:39,733 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:33:39,733 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:33:39,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:33:39 BoogieIcfgContainer [2023-12-03 00:33:39,736 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:33:39,737 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:33:39,737 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:33:39,749 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:33:39,750 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:33:39" (1/1) ... [2023-12-03 00:33:39,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:33:39,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:39,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-12-03 00:33:39,823 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-12-03 00:33:39,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:33:39,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:39,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:39,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:39,860 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:39,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:33:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:41,817 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:33:51,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:33:51,930 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:33:51,935 INFO L158 Benchmark]: Toolchain (without parser) took 26721.72ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 52.2MB in the beginning and 65.5MB in the end (delta: -13.3MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-12-03 00:33:51,935 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 75.5MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:33:51,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.26ms. Allocated memory is still 75.5MB. Free memory was 52.2MB in the beginning and 39.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:33:51,937 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.85ms. Allocated memory is still 75.5MB. Free memory was 39.8MB in the beginning and 37.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:33:51,937 INFO L158 Benchmark]: Boogie Preprocessor took 43.67ms. Allocated memory is still 75.5MB. Free memory was 37.9MB in the beginning and 36.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:33:51,938 INFO L158 Benchmark]: RCFGBuilder took 14136.47ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 36.0MB in the beginning and 78.1MB in the end (delta: -42.0MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-12-03 00:33:51,939 INFO L158 Benchmark]: CodeCheck took 12196.28ms. Allocated memory is still 111.1MB. Free memory was 78.1MB in the beginning and 65.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:33:51,942 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 75.5MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.26ms. Allocated memory is still 75.5MB. Free memory was 52.2MB in the beginning and 39.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.85ms. Allocated memory is still 75.5MB. Free memory was 39.8MB in the beginning and 37.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.67ms. Allocated memory is still 75.5MB. Free memory was 37.9MB in the beginning and 36.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 14136.47ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 36.0MB in the beginning and 78.1MB in the end (delta: -42.0MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * CodeCheck took 12196.28ms. Allocated memory is still 111.1MB. Free memory was 78.1MB in the beginning and 65.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:33:52,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5698503c-8ef9-4c58-8282-e52acb771867/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown