./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_square-1.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_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/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_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/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_4cde3343-a060-4038-baeb-bc236f4cd0d3/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 fa8669e514192921cf64fdf0639cd37a443816328604ea9b0272ab52a6769b9f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:18:02,228 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:18:02,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:18:02,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:18:02,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:18:02,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:18:02,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:18:02,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:18:02,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:18:02,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:18:02,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:18:02,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:18:02,327 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:18:02,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:18:02,329 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:18:02,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:18:02,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:18:02,330 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:18:02,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:18:02,330 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:18:02,330 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:18:02,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:18:02,330 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:18:02,330 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:18:02,331 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:18:02,331 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:18:02,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:18:02,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:02,331 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:18:02,331 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:18:02,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:18:02,331 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:18:02,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:18:02,331 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_4cde3343-a060-4038-baeb-bc236f4cd0d3/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 -> fa8669e514192921cf64fdf0639cd37a443816328604ea9b0272ab52a6769b9f [2024-11-13 20:18:02,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:18:02,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:18:02,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:18:02,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:18:02,693 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:18:02,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/inv_square-1.c Unable to find full path for "g++" [2024-11-13 20:18:04,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:18:04,966 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:18:04,967 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/sv-benchmarks/c/float-benchs/inv_square-1.c [2024-11-13 20:18:04,978 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/data/0320f69a6/5ee8d5c104b7454e8110cb5b462a6cad/FLAG73ed6cd88 [2024-11-13 20:18:05,004 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/data/0320f69a6/5ee8d5c104b7454e8110cb5b462a6cad [2024-11-13 20:18:05,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:18:05,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:18:05,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:05,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:18:05,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:18:05,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e94e081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05, skipping insertion in model container [2024-11-13 20:18:05,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,044 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:18:05,242 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_4cde3343-a060-4038-baeb-bc236f4cd0d3/sv-benchmarks/c/float-benchs/inv_square-1.c[487,500] [2024-11-13 20:18:05,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:05,271 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:18:05,285 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_4cde3343-a060-4038-baeb-bc236f4cd0d3/sv-benchmarks/c/float-benchs/inv_square-1.c[487,500] [2024-11-13 20:18:05,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:05,307 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:18:05,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05 WrapperNode [2024-11-13 20:18:05,309 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:05,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:05,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:18:05,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:18:05,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,352 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2024-11-13 20:18:05,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:05,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:18:05,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:18:05,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:18:05,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,368 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,384 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:18:05,387 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:18:05,391 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:18:05,391 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:18:05,392 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:05,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:18:05,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:18:05,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:18:05,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:18:05,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:18:05,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:18:05,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:18:05,565 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:18:05,567 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:18:05,681 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 20:18:05,681 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:18:05,757 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:18:05,761 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:18:05,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:05 BoogieIcfgContainer [2024-11-13 20:18:05,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:18:05,762 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:18:05,762 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:18:05,777 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:18:05,777 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:05" (1/1) ... [2024-11-13 20:18:05,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:18:05,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:05,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 20:18:05,861 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 20:18:05,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:18:05,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:05,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:18:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:05,982 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:18:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:06,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:18:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:06,112 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:18:06,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:18:06 ImpRootNode [2024-11-13 20:18:06,143 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:18:06,144 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:18:06,144 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:18:06,144 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:18:06,145 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:05" (3/4) ... [2024-11-13 20:18:06,148 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:18:06,149 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:18:06,150 INFO L158 Benchmark]: Toolchain (without parser) took 1139.16ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 58.4MB in the end (delta: 33.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:18:06,151 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:06,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.91ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 81.0MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:18:06,152 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.50ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 80.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:06,152 INFO L158 Benchmark]: Boogie Preprocessor took 31.55ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.5MB in the end (delta: 515.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:06,153 INFO L158 Benchmark]: RCFGBuilder took 374.60ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 69.3MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:18:06,153 INFO L158 Benchmark]: CodeCheck took 380.59ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 58.4MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:18:06,154 INFO L158 Benchmark]: Witness Printer took 5.62ms. Allocated memory is still 117.4MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:18:06,157 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: 0.3s, 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 != 0.f [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 0.34ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.91ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 81.0MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.50ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 80.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.55ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.5MB in the end (delta: 515.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 374.60ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 69.3MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 380.59ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 58.4MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.62ms. Allocated memory is still 117.4MB. Free memory is still 58.4MB. 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 20:18:06,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/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_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/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_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/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_4cde3343-a060-4038-baeb-bc236f4cd0d3/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 fa8669e514192921cf64fdf0639cd37a443816328604ea9b0272ab52a6769b9f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:18:09,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:18:09,482 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:18:09,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:18:09,549 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:18:09,550 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:18:09,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:18:09,550 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:18:09,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:18:09,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:18:09,551 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:18:09,551 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:18:09,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:18:09,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:18:09,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:18:09,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:18:09,555 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:18:09,555 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:18:09,555 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:18:09,555 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:18:09,555 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:18:09,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:18:09,556 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:18:09,556 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:18:09,556 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:18:09,556 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:18:09,556 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:09,556 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:18:09,556 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:18:09,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:09,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:18:09,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:18:09,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:18:09,557 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:18:09,557 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:09,557 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:18:09,557 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_4cde3343-a060-4038-baeb-bc236f4cd0d3/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 -> fa8669e514192921cf64fdf0639cd37a443816328604ea9b0272ab52a6769b9f [2024-11-13 20:18:09,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:18:09,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:18:09,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:18:09,979 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:18:09,980 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:18:09,981 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/inv_square-1.c Unable to find full path for "g++" [2024-11-13 20:18:12,174 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:18:12,518 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:18:12,519 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/sv-benchmarks/c/float-benchs/inv_square-1.c [2024-11-13 20:18:12,542 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/data/a97bffaec/0ae8c1f1c8204cce9ca88da93211f908/FLAGd3f192169 [2024-11-13 20:18:12,574 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/data/a97bffaec/0ae8c1f1c8204cce9ca88da93211f908 [2024-11-13 20:18:12,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:18:12,580 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:18:12,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:12,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:18:12,590 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:18:12,591 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:12" (1/1) ... [2024-11-13 20:18:12,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b33dff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:12, skipping insertion in model container [2024-11-13 20:18:12,596 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:18:12" (1/1) ... [2024-11-13 20:18:12,615 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:18:12,835 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_4cde3343-a060-4038-baeb-bc236f4cd0d3/sv-benchmarks/c/float-benchs/inv_square-1.c[487,500] [2024-11-13 20:18:12,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:12,877 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:18:12,894 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_4cde3343-a060-4038-baeb-bc236f4cd0d3/sv-benchmarks/c/float-benchs/inv_square-1.c[487,500] [2024-11-13 20:18:12,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:18:12,922 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:18:12,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:12 WrapperNode [2024-11-13 20:18:12,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:18:12,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:12,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:18:12,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:18:12,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:12" (1/1) ... [2024-11-13 20:18:12,946 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:12" (1/1) ... [2024-11-13 20:18:12,969 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 32 [2024-11-13 20:18:12,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:18:12,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:18:12,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:18:12,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:18:12,981 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:12" (1/1) ... [2024-11-13 20:18:12,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:12" (1/1) ... [2024-11-13 20:18:12,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:12" (1/1) ... [2024-11-13 20:18:12,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:12" (1/1) ... [2024-11-13 20:18:13,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:12" (1/1) ... [2024-11-13 20:18:13,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:12" (1/1) ... [2024-11-13 20:18:13,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:12" (1/1) ... [2024-11-13 20:18:13,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:12" (1/1) ... [2024-11-13 20:18:13,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:18:13,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:18:13,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:18:13,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:18:13,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:18:12" (1/1) ... [2024-11-13 20:18:13,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:18:13,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:18:13,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:18:13,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:18:13,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:18:13,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:18:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:18:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:18:13,171 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:18:13,174 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:18:14,089 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 20:18:14,090 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:18:14,161 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:18:14,162 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:18:14,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:14 BoogieIcfgContainer [2024-11-13 20:18:14,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:18:14,163 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:18:14,163 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:18:14,177 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:18:14,177 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:18:14" (1/1) ... [2024-11-13 20:18:14,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:18:14,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:14,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 20:18:14,251 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 20:18:14,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:18:14,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:14,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:18:14,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:18:14,257 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:18:14,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cde3343-a060-4038-baeb-bc236f4cd0d3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:18:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:18:14,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:18:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat