./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/filter2_iterated.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b --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 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:27:41,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:27:41,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:27:41,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:27:41,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:27:41,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:27:41,829 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:27:41,829 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:27:41,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:27:41,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:27:41,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:27:41,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:27:41,830 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:27:41,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:27:41,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:27:41,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:27:41,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:27:41,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:27:41,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:27:41,830 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:27:41,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:27:41,830 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:27:41,830 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:27:41,830 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:27:41,831 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:27:41,831 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:27:41,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:27:41,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:27:41,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:27:41,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:27:41,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:27:41,831 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:27:41,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:27:41,831 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b 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 -> 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 [2024-12-06 02:27:42,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:27:42,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:27:42,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:27:42,079 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:27:42,079 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:27:42,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2024-12-06 02:27:44,730 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/data/2689e34f7/5a9cfe57fdd24e39ad091bb9c69ead59/FLAG094e9ed83 [2024-12-06 02:27:44,895 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:27:44,895 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/sv-benchmarks/c/float-benchs/filter2_iterated.c [2024-12-06 02:27:44,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/data/2689e34f7/5a9cfe57fdd24e39ad091bb9c69ead59/FLAG094e9ed83 [2024-12-06 02:27:45,278 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/data/2689e34f7/5a9cfe57fdd24e39ad091bb9c69ead59 [2024-12-06 02:27:45,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:27:45,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:27:45,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:27:45,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:27:45,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:27:45,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:27:45" (1/1) ... [2024-12-06 02:27:45,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@82e4c5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:45, skipping insertion in model container [2024-12-06 02:27:45,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:27:45" (1/1) ... [2024-12-06 02:27:45,297 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:27:45,423 WARN L250 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_427b2c3f-9c05-4443-bc8c-36016338ce36/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2024-12-06 02:27:45,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:27:45,462 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:27:45,471 WARN L250 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_427b2c3f-9c05-4443-bc8c-36016338ce36/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2024-12-06 02:27:45,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:27:45,496 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:27:45,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:45 WrapperNode [2024-12-06 02:27:45,497 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:27:45,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:27:45,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:27:45,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:27:45,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:45" (1/1) ... [2024-12-06 02:27:45,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:45" (1/1) ... [2024-12-06 02:27:45,526 INFO L138 Inliner]: procedures = 17, calls = 53, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 107 [2024-12-06 02:27:45,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:27:45,527 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:27:45,527 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:27:45,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:27:45,532 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:45" (1/1) ... [2024-12-06 02:27:45,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:45" (1/1) ... [2024-12-06 02:27:45,534 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:45" (1/1) ... [2024-12-06 02:27:45,534 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:45" (1/1) ... [2024-12-06 02:27:45,540 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:45" (1/1) ... [2024-12-06 02:27:45,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:45" (1/1) ... [2024-12-06 02:27:45,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:45" (1/1) ... [2024-12-06 02:27:45,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:45" (1/1) ... [2024-12-06 02:27:45,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:45" (1/1) ... [2024-12-06 02:27:45,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:27:45,548 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:27:45,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:27:45,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:27:45,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:45" (1/1) ... [2024-12-06 02:27:45,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:27:45,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:27:45,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:27:45,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:27:45,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:27:45,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:27:45,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-12-06 02:27:45,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-12-06 02:27:45,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:27:45,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:27:45,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-12-06 02:27:45,665 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:27:45,666 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:27:45,780 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 02:27:45,781 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:27:45,938 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:27:45,939 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:27:45,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:27:45 BoogieIcfgContainer [2024-12-06 02:27:45,939 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:27:45,940 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:27:45,940 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:27:45,949 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:27:45,949 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:27:45" (1/1) ... [2024-12-06 02:27:45,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:27:45,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:27:45,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:27:45,996 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:27:45,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:27:45,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:27:45,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:27:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:27:46,277 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:27:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:27:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:27:46,623 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:27:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:27:46,715 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 02:27:46,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:27:46 ImpRootNode [2024-12-06 02:27:46,734 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:27:46,734 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:27:46,734 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:27:46,735 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:27:46,735 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:27:45" (3/4) ... [2024-12-06 02:27:46,737 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:27:46,738 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:27:46,738 INFO L158 Benchmark]: Toolchain (without parser) took 1457.88ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 108.1MB in the end (delta: 9.2MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-12-06 02:27:46,739 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:27:46,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.30ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 105.1MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:27:46,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.34ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.5MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:27:46,740 INFO L158 Benchmark]: Boogie Preprocessor took 20.57ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:27:46,740 INFO L158 Benchmark]: RCFGBuilder took 391.08ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 75.7MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 02:27:46,741 INFO L158 Benchmark]: CodeCheck took 793.97ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 108.1MB in the end (delta: -32.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:27:46,741 INFO L158 Benchmark]: Witness Printer took 3.52ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 108.1MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:27:46,743 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 9]: 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 someBinaryArithmeticDOUBLEoperation at line 62, overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of to_real at line 58. Possible FailurePath: [L13] BOOLEAN INIT1, INIT2; [L14] float X, P; [L18] static float E[2], S[2]; [L38] static float E2[2], S2[2]; [L58] X = 0 [L59] INIT1 = TRUE [L60] INIT2 = TRUE VAL [E2={6:0}, E={4:0}, INIT1=1, INIT2=1, P=0, S2={7:0}, S={5:0}] [L62] X = 0.98*X + 85. [L63] COND FALSE !(X >= -400. && X <= 400.) [L68] COND FALSE !(X >= -800. && X <= 800.) [L74] CALL __VERIFIER_assert(X >= -1155. && X <= 4251.) [L9] COND TRUE !(cond) VAL [E2={6:0}, E={4:0}, INIT1=1, INIT2=1, P=0, S2={7:0}, S={5:0}] [L9] reach_error() VAL [E2={6:0}, E={4:0}, INIT1=1, INIT2=1, P=0, S2={7:0}, S={5:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.30ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 105.1MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.34ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.5MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.57ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 391.08ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 75.7MB in the end (delta: 26.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 793.97ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 108.1MB in the end (delta: -32.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.52ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 108.1MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 02:27:46,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2_iterated.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b --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 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:27:48,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:27:48,701 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 02:27:48,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:27:48,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:27:48,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:27:48,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:27:48,726 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:27:48,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:27:48,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:27:48,727 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:27:48,727 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:27:48,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:27:48,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:27:48,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:27:48,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:27:48,727 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:27:48,727 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:27:48,728 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:27:48,728 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:27:48,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:27:48,728 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:27:48,728 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:27:48,728 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:27:48,728 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:27:48,728 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:27:48,728 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:27:48,729 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:27:48,729 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:27:48,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:27:48,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:27:48,729 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:27:48,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:27:48,729 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:27:48,729 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:27:48,729 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:27:48,729 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b 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 -> 1b2a34283d37096850c6fa7d7933fe07674b3fa81a7da8c770f866e152d89627 [2024-12-06 02:27:48,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:27:48,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:27:48,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:27:48,958 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:27:48,958 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:27:48,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/filter2_iterated.c [2024-12-06 02:27:51,722 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/data/50d9a9450/0d4720074c8a44be903eb8697a457325/FLAG606b761af [2024-12-06 02:27:51,880 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:27:51,881 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/sv-benchmarks/c/float-benchs/filter2_iterated.c [2024-12-06 02:27:51,888 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/data/50d9a9450/0d4720074c8a44be903eb8697a457325/FLAG606b761af [2024-12-06 02:27:51,902 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/data/50d9a9450/0d4720074c8a44be903eb8697a457325 [2024-12-06 02:27:51,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:27:51,906 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:27:51,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:27:51,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:27:51,912 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:27:51,913 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:27:51" (1/1) ... [2024-12-06 02:27:51,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f35811a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:51, skipping insertion in model container [2024-12-06 02:27:51,914 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:27:51" (1/1) ... [2024-12-06 02:27:51,928 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:27:52,057 WARN L250 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_427b2c3f-9c05-4443-bc8c-36016338ce36/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2024-12-06 02:27:52,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:27:52,098 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:27:52,107 WARN L250 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_427b2c3f-9c05-4443-bc8c-36016338ce36/sv-benchmarks/c/float-benchs/filter2_iterated.c[447,460] [2024-12-06 02:27:52,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:27:52,139 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:27:52,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:52 WrapperNode [2024-12-06 02:27:52,140 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:27:52,141 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:27:52,141 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:27:52,141 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:27:52,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:52" (1/1) ... [2024-12-06 02:27:52,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:52" (1/1) ... [2024-12-06 02:27:52,176 INFO L138 Inliner]: procedures = 18, calls = 53, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 108 [2024-12-06 02:27:52,177 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:27:52,177 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:27:52,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:27:52,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:27:52,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:52" (1/1) ... [2024-12-06 02:27:52,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:52" (1/1) ... [2024-12-06 02:27:52,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:52" (1/1) ... [2024-12-06 02:27:52,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:52" (1/1) ... [2024-12-06 02:27:52,198 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:52" (1/1) ... [2024-12-06 02:27:52,199 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:52" (1/1) ... [2024-12-06 02:27:52,201 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:52" (1/1) ... [2024-12-06 02:27:52,203 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:52" (1/1) ... [2024-12-06 02:27:52,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:52" (1/1) ... [2024-12-06 02:27:52,207 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:27:52,208 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:27:52,208 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:27:52,209 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:27:52,210 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:27:52" (1/1) ... [2024-12-06 02:27:52,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:27:52,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:27:52,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:27:52,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:27:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:27:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-12-06 02:27:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:27:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-06 02:27:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:27:52,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:27:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-06 02:27:52,337 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:27:52,339 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:28:22,829 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 02:28:22,829 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:28:23,037 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:28:23,037 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:28:23,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:28:23 BoogieIcfgContainer [2024-12-06 02:28:23,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:28:23,038 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:28:23,038 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:28:23,046 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:28:23,046 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:28:23" (1/1) ... [2024-12-06 02:28:23,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:28:23,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:28:23,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:28:23,093 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:28:23,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:28:23,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:28:23,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:28:23,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:28:23,098 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:28:23,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:28:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:28:31,011 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:28:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:28:41,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:28:41,847 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:485) 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) [2024-12-06 02:28:41,851 INFO L158 Benchmark]: Toolchain (without parser) took 49944.61ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 60.6MB in the end (delta: 8.9MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-12-06 02:28:41,851 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:28:41,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.01ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 56.6MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:28:41,852 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.94ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 54.9MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:28:41,852 INFO L158 Benchmark]: Boogie Preprocessor took 30.02ms. Allocated memory is still 92.3MB. Free memory was 54.9MB in the beginning and 53.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:28:41,853 INFO L158 Benchmark]: RCFGBuilder took 30829.41ms. Allocated memory is still 92.3MB. Free memory was 53.1MB in the beginning and 48.6MB in the end (delta: 4.5MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-12-06 02:28:41,853 INFO L158 Benchmark]: CodeCheck took 18811.69ms. Allocated memory is still 92.3MB. Free memory was 48.6MB in the beginning and 60.6MB in the end (delta: -12.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:28:41,855 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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.01ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 56.6MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.94ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 54.9MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.02ms. Allocated memory is still 92.3MB. Free memory was 54.9MB in the beginning and 53.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 30829.41ms. Allocated memory is still 92.3MB. Free memory was 53.1MB in the beginning and 48.6MB in the end (delta: 4.5MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * CodeCheck took 18811.69ms. Allocated memory is still 92.3MB. Free memory was 48.6MB in the beginning and 60.6MB in the end (delta: -12.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:28:42,066 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 02:28:42,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_427b2c3f-9c05-4443-bc8c-36016338ce36/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown