./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_square-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm --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 f1e69edbdce27e5f928ff7e136ee6812498ce7c35f38e45c8aa6d453823549eb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:31:53,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:31:53,941 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:31:53,947 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:31:53,948 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:31:53,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:31:53,991 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:31:53,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:31:53,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:31:53,992 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:31:53,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:31:53,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:31:53,993 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:31:53,993 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:31:53,993 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:31:53,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:31:53,995 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:31:53,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:31:53,995 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:31:53,995 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:31:53,995 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:31:53,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:31:53,995 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:31:53,995 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:31:53,995 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:31:53,995 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:31:53,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:31:53,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:31:53,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:31:53,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:31:53,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:31:53,996 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:31:53,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:31:53,996 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_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm 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 -> f1e69edbdce27e5f928ff7e136ee6812498ce7c35f38e45c8aa6d453823549eb [2024-11-13 22:31:54,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:31:54,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:31:54,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:31:54,331 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:31:54,332 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:31:54,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/inv_square-2.c Unable to find full path for "g++" [2024-11-13 22:31:56,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:31:56,469 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:31:56,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/sv-benchmarks/c/float-benchs/inv_square-2.c [2024-11-13 22:31:56,486 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/data/f14f7e37c/46ddcbf44dd64ae2aa60d92928d613e6/FLAG0ad4263a1 [2024-11-13 22:31:56,751 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/data/f14f7e37c/46ddcbf44dd64ae2aa60d92928d613e6 [2024-11-13 22:31:56,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:31:56,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:31:56,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:31:56,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:31:56,762 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:31:56,763 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:31:56" (1/1) ... [2024-11-13 22:31:56,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b8478e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:56, skipping insertion in model container [2024-11-13 22:31:56,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:31:56" (1/1) ... [2024-11-13 22:31:56,776 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:31:56,907 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_542e4cbd-d77f-46bc-a26d-d433c1c38139/sv-benchmarks/c/float-benchs/inv_square-2.c[484,497] [2024-11-13 22:31:56,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:31:56,931 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:31:56,942 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_542e4cbd-d77f-46bc-a26d-d433c1c38139/sv-benchmarks/c/float-benchs/inv_square-2.c[484,497] [2024-11-13 22:31:56,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:31:56,959 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:31:56,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:56 WrapperNode [2024-11-13 22:31:56,960 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:31:56,961 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:31:56,961 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:31:56,961 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:31:56,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:56" (1/1) ... [2024-11-13 22:31:56,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:56" (1/1) ... [2024-11-13 22:31:56,992 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2024-11-13 22:31:56,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:31:57,000 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:31:57,000 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:31:57,000 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:31:57,008 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:56" (1/1) ... [2024-11-13 22:31:57,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:56" (1/1) ... [2024-11-13 22:31:57,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:56" (1/1) ... [2024-11-13 22:31:57,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:56" (1/1) ... [2024-11-13 22:31:57,017 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:56" (1/1) ... [2024-11-13 22:31:57,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:56" (1/1) ... [2024-11-13 22:31:57,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:56" (1/1) ... [2024-11-13 22:31:57,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:56" (1/1) ... [2024-11-13 22:31:57,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:31:57,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:31:57,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:31:57,027 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:31:57,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:31:56" (1/1) ... [2024-11-13 22:31:57,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:31:57,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:31:57,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:31:57,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:31:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:31:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:31:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:31:57,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:31:57,161 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:31:57,163 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:31:57,269 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:31:57,270 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:31:57,321 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:31:57,321 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:31:57,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:31:57 BoogieIcfgContainer [2024-11-13 22:31:57,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:31:57,325 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:31:57,326 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:31:57,337 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:31:57,337 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:31:57" (1/1) ... [2024-11-13 22:31:57,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:31:57,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:57,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 22:31:57,406 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 22:31:57,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:31:57,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:57,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:31:57,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:31:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:31:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:31:57,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:31:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:31:57,607 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:31:57,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:31:57 ImpRootNode [2024-11-13 22:31:57,626 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:31:57,626 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:31:57,626 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:31:57,627 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:31:57,627 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:31:57" (3/4) ... [2024-11-13 22:31:57,630 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:31:57,631 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:31:57,632 INFO L158 Benchmark]: Toolchain (without parser) took 876.76ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 84.9MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 22:31:57,633 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:31:57,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.01ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 108.4MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:31:57,634 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.53ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:31:57,634 INFO L158 Benchmark]: Boogie Preprocessor took 26.66ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.5MB in the end (delta: 783.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:31:57,635 INFO L158 Benchmark]: RCFGBuilder took 295.06ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 95.6MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:31:57,635 INFO L158 Benchmark]: CodeCheck took 300.83ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 85.2MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:31:57,636 INFO L158 Benchmark]: Witness Printer took 5.12ms. Allocated memory is still 142.6MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:31:57,638 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, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 - UnprovableResult [Line: 13]: 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 20, overapproximation of someBinaryFLOATComparisonOperation at line 22, overapproximation of someBinaryArithmeticFLOAToperation at line 23. Possible FailurePath: [L17] float x, y, z; [L19] x = __VERIFIER_nondet_float() [L20] CALL assume_abort_if_not(x >= -1.f && x <= 1.f) [L11] COND FALSE !(!cond) [L20] RET assume_abort_if_not(x >= -1.f && x <= 1.f) [L22] COND TRUE x <= -1e-20f || x >= 1e-20f [L23] y = x * x [L24] CALL __VERIFIER_assert(y != 0.f) [L13] COND TRUE !(cond) [L13] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.01ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 108.4MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.53ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 107.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.66ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.5MB in the end (delta: 783.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 295.06ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 95.6MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 300.83ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 85.2MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.12ms. Allocated memory is still 142.6MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:31:57,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/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_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm --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 f1e69edbdce27e5f928ff7e136ee6812498ce7c35f38e45c8aa6d453823549eb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:32:00,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:32:00,344 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:32:00,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:32:00,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:32:00,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:32:00,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:32:00,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:32:00,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:32:00,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:32:00,404 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:32:00,404 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:32:00,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:32:00,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:32:00,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:32:00,404 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:32:00,404 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:32:00,404 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:32:00,404 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:32:00,404 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:32:00,405 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:32:00,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:32:00,405 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:32:00,405 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:32:00,405 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:32:00,405 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:32:00,405 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:32:00,405 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:32:00,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:32:00,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:32:00,406 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:32:00,406 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:32:00,406 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:32:00,406 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:32:00,410 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:32:00,410 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:32:00,410 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_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm 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 -> f1e69edbdce27e5f928ff7e136ee6812498ce7c35f38e45c8aa6d453823549eb [2024-11-13 22:32:00,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:32:00,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:32:00,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:32:00,773 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:32:00,773 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:32:00,775 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/inv_square-2.c Unable to find full path for "g++" [2024-11-13 22:32:02,654 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:32:02,961 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:32:02,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/sv-benchmarks/c/float-benchs/inv_square-2.c [2024-11-13 22:32:02,981 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/data/07bd2af97/dddd899cf70840fdba17fcc151d701fa/FLAG9c5207ebb [2024-11-13 22:32:03,018 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/data/07bd2af97/dddd899cf70840fdba17fcc151d701fa [2024-11-13 22:32:03,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:32:03,028 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:32:03,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:32:03,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:32:03,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:32:03,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:32:03" (1/1) ... [2024-11-13 22:32:03,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@709c4e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:03, skipping insertion in model container [2024-11-13 22:32:03,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:32:03" (1/1) ... [2024-11-13 22:32:03,058 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:32:03,252 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_542e4cbd-d77f-46bc-a26d-d433c1c38139/sv-benchmarks/c/float-benchs/inv_square-2.c[484,497] [2024-11-13 22:32:03,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:32:03,296 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:32:03,313 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_542e4cbd-d77f-46bc-a26d-d433c1c38139/sv-benchmarks/c/float-benchs/inv_square-2.c[484,497] [2024-11-13 22:32:03,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:32:03,341 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:32:03,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:03 WrapperNode [2024-11-13 22:32:03,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:32:03,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:32:03,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:32:03,345 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:32:03,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:03" (1/1) ... [2024-11-13 22:32:03,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:03" (1/1) ... [2024-11-13 22:32:03,385 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 32 [2024-11-13 22:32:03,387 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:32:03,388 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:32:03,388 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:32:03,389 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:32:03,396 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:03" (1/1) ... [2024-11-13 22:32:03,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:03" (1/1) ... [2024-11-13 22:32:03,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:03" (1/1) ... [2024-11-13 22:32:03,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:03" (1/1) ... [2024-11-13 22:32:03,410 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:03" (1/1) ... [2024-11-13 22:32:03,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:03" (1/1) ... [2024-11-13 22:32:03,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:03" (1/1) ... [2024-11-13 22:32:03,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:03" (1/1) ... [2024-11-13 22:32:03,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:32:03,429 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:32:03,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:32:03,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:32:03,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:03" (1/1) ... [2024-11-13 22:32:03,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:32:03,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:32:03,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:32:03,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:32:03,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:32:03,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:32:03,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:32:03,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:32:03,573 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:32:03,575 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:32:04,651 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 22:32:04,651 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:32:04,757 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:32:04,757 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:32:04,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:32:04 BoogieIcfgContainer [2024-11-13 22:32:04,758 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:32:04,760 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:32:04,760 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:32:04,774 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:32:04,774 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:32:04" (1/1) ... [2024-11-13 22:32:04,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:32:04,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:04,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 22:32:04,854 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 22:32:04,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:32:04,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:32:04,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:32:04,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:32:04,863 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:32:04,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:32:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:05,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:32:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:06,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:32:06,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:32:07,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:32:07,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:32:09,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:09,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 22:32:09,005 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 22:32:09,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:32:09,005 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-13 22:32:09,013 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:32:09,054 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:32:09,054 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) [2024-11-13 22:32:09,055 INFO L75 FloydHoareUtils]: For program point L13-1(line 13) no Hoare annotation was computed. [2024-11-13 22:32:09,055 INFO L77 FloydHoareUtils]: At program point L13-3(line 13) the Hoare annotation is: true [2024-11-13 22:32:09,055 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:32:09,055 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2024-11-13 22:32:09,056 INFO L77 FloydHoareUtils]: At program point L22(lines 22 26) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 1.0))) (and (fp.leq |ULTIMATE.start_main_~x~0#1| .cse0) (fp.geq |ULTIMATE.start_main_~x~0#1| (fp.neg .cse0)) (= currentRoundingMode roundNearestTiesToEven))) [2024-11-13 22:32:09,056 INFO L77 FloydHoareUtils]: At program point L22-2(lines 22 26) the Hoare annotation is: true [2024-11-13 22:32:09,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:32:09 ImpRootNode [2024-11-13 22:32:09,063 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:32:09,064 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:32:09,064 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:32:09,064 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:32:09,065 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:32:04" (3/4) ... [2024-11-13 22:32:09,068 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:32:09,074 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 22:32:09,075 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 22:32:09,075 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:32:09,075 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:32:09,156 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:32:09,156 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:32:09,156 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:32:09,157 INFO L158 Benchmark]: Toolchain (without parser) took 6131.54ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 88.5MB in the end (delta: 4.2MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2024-11-13 22:32:09,158 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:32:09,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.98ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.4MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:32:09,158 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.92ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:32:09,159 INFO L158 Benchmark]: Boogie Preprocessor took 39.96ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.2MB in the end (delta: 988.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:32:09,159 INFO L158 Benchmark]: RCFGBuilder took 1329.90ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 66.5MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:32:09,159 INFO L158 Benchmark]: CodeCheck took 4303.78ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 46.8MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:32:09,160 INFO L158 Benchmark]: Witness Printer took 92.35ms. Allocated memory is still 117.4MB. Free memory was 46.8MB in the beginning and 88.5MB in the end (delta: -41.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-11-13 22:32:09,164 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, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 1 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 2 NumberOfNonLiveVariables, 20 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 13]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.98ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.4MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.92ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.96ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.2MB in the end (delta: 988.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1329.90ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 66.5MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 4303.78ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 46.8MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 92.35ms. Allocated memory is still 117.4MB. Free memory was 46.8MB in the beginning and 88.5MB in the end (delta: -41.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:32:09,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542e4cbd-d77f-46bc-a26d-d433c1c38139/bin/ukojak-verify-EEHR8qb7sm/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 Writing output log to file Ultimate.log Result: TRUE