./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i --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_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/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_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/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_596e3fe4-b28f-4d0f-846d-619f350847c3/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 44eacf12db4e9e03ae896c491542075bfb298656743b3655ef171492d8e9e317 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:46:17,767 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:46:17,838 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:46:17,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:46:17,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:46:17,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:46:17,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:46:17,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:46:17,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:46:17,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:46:17,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:46:17,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:46:17,868 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:46:17,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:46:17,868 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:46:17,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:46:17,869 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:46:17,869 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:46:17,869 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:46:17,871 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:46:17,871 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:46:17,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:46:17,871 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:46:17,871 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:46:17,871 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:46:17,872 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:46:17,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:46:17,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:46:17,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:46:17,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:46:17,873 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:46:17,873 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:46:17,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:46:17,873 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_596e3fe4-b28f-4d0f-846d-619f350847c3/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 -> 44eacf12db4e9e03ae896c491542075bfb298656743b3655ef171492d8e9e317 [2024-11-13 16:46:18,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:46:18,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:46:18,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:46:18,212 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:46:18,213 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:46:18,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i Unable to find full path for "g++" [2024-11-13 16:46:20,182 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:46:20,437 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:46:20,438 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i [2024-11-13 16:46:20,447 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/data/bbb73592c/f31e8047b4964d5c9679bec8b940fa5c/FLAG7bd855ff6 [2024-11-13 16:46:20,471 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/data/bbb73592c/f31e8047b4964d5c9679bec8b940fa5c [2024-11-13 16:46:20,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:46:20,478 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:46:20,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:46:20,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:46:20,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:46:20,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:46:20" (1/1) ... [2024-11-13 16:46:20,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a0e16a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:20, skipping insertion in model container [2024-11-13 16:46:20,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:46:20" (1/1) ... [2024-11-13 16:46:20,512 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:46:20,692 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_596e3fe4-b28f-4d0f-846d-619f350847c3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i[915,928] [2024-11-13 16:46:20,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:46:20,770 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:46:20,784 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_596e3fe4-b28f-4d0f-846d-619f350847c3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i[915,928] [2024-11-13 16:46:20,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:46:20,837 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:46:20,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:20 WrapperNode [2024-11-13 16:46:20,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:46:20,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:46:20,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:46:20,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:46:20,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:20" (1/1) ... [2024-11-13 16:46:20,861 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:20" (1/1) ... [2024-11-13 16:46:20,890 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 94 [2024-11-13 16:46:20,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:46:20,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:46:20,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:46:20,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:46:20,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:20" (1/1) ... [2024-11-13 16:46:20,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:20" (1/1) ... [2024-11-13 16:46:20,907 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:20" (1/1) ... [2024-11-13 16:46:20,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:20" (1/1) ... [2024-11-13 16:46:20,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:20" (1/1) ... [2024-11-13 16:46:20,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:20" (1/1) ... [2024-11-13 16:46:20,926 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:20" (1/1) ... [2024-11-13 16:46:20,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:20" (1/1) ... [2024-11-13 16:46:20,933 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:46:20,933 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:46:20,934 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:46:20,934 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:46:20,935 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:20" (1/1) ... [2024-11-13 16:46:20,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:46:20,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:46:20,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:46:20,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:46:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:46:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:46:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:46:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:46:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:46:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:46:21,114 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:46:21,116 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:46:21,348 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 16:46:21,348 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:46:21,492 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:46:21,493 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:46:21,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:21 BoogieIcfgContainer [2024-11-13 16:46:21,493 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:46:21,494 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:46:21,494 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:46:21,504 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:46:21,505 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:21" (1/1) ... [2024-11-13 16:46:21,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:46:21,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:21,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-11-13 16:46:21,561 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-13 16:46:21,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 16:46:21,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:21,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:46:21,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:46:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:46:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:46:22,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:46:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:46:22,144 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:46:22,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:46:22 ImpRootNode [2024-11-13 16:46:22,211 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:46:22,212 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:46:22,212 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:46:22,212 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:46:22,213 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:21" (3/4) ... [2024-11-13 16:46:22,215 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:46:22,215 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:46:22,217 INFO L158 Benchmark]: Toolchain (without parser) took 1738.21ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 76.6MB in the end (delta: 16.7MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-11-13 16:46:22,217 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:22,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.49ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 80.7MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:46:22,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.45ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.2MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:46:22,218 INFO L158 Benchmark]: Boogie Preprocessor took 38.15ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 78.3MB in the end (delta: 967.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:22,219 INFO L158 Benchmark]: RCFGBuilder took 559.95ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 56.8MB in the end (delta: 21.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:46:22,219 INFO L158 Benchmark]: CodeCheck took 716.64ms. Allocated memory is still 117.4MB. Free memory was 56.8MB in the beginning and 76.6MB in the end (delta: -19.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:22,220 INFO L158 Benchmark]: Witness Printer took 4.02ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 76.6MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:22,226 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someBinaryFLOATComparisonOperation at line 49, overapproximation of someUnaryDOUBLEoperation at line 24, overapproximation of someBinaryDOUBLEComparisonOperation at line 37, overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of someUnaryFLOAToperation at line 49, overapproximation of someBinaryArithmeticFLOAToperation at line 49. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 24.575; [L23] double var_1_8 = 128.5; [L24] float var_1_9 = -0.5; [L25] float var_1_10 = 200.4; [L26] unsigned long int var_1_11 = 4; [L27] unsigned char var_1_12 = 1; [L28] unsigned long int var_1_13 = 3607105345; [L29] signed char var_1_14 = 0; [L30] signed char var_1_15 = 0; [L31] signed char var_1_16 = 16; [L32] double last_1_var_1_1 = 24.575; [L33] float last_1_var_1_9 = -0.5; [L85] isInitial = 1 [L86] FCALL initially() [L87] int k_loop; [L88] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_1=983/40, var_1_10=1002/5, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_8=257/2] [L88] COND TRUE k_loop < 1 [L89] CALL updateLastVariables() [L77] last_1_var_1_1 = var_1_1 [L78] last_1_var_1_9 = var_1_9 [L89] RET updateLastVariables() [L90] CALL updateVariables() [L59] var_1_8 = __VERIFIER_nondet_double() [L60] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_10=1002/5, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_10=1002/5, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L61] var_1_10 = __VERIFIER_nondet_float() [L62] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L63] var_1_12 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L65] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L66] var_1_13 = __VERIFIER_nondet_ulong() [L67] CALL assume_abort_if_not(var_1_13 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=-2147483649, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_13 >= 2147483647) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=-2147483649, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L68] CALL assume_abort_if_not(var_1_13 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=-2147483649, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_13 <= 4294967294) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=-2147483649, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=2] [L69] var_1_15 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_15 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=-2147483649, var_1_14=0, var_1_15=-1, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_15 >= -1) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=-2147483649, var_1_14=0, var_1_15=-1, var_1_16=16, var_1_1=983/40, var_1_9=2] [L71] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=-2147483649, var_1_14=0, var_1_15=-1, var_1_16=16, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=-2147483649, var_1_14=0, var_1_15=-1, var_1_16=16, var_1_1=983/40, var_1_9=2] [L72] var_1_16 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=-2147483649, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=-2147483649, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_1=983/40, var_1_9=2] [L74] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=-2147483649, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_1=983/40, var_1_9=2] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=4, var_1_12=1, var_1_13=-2147483649, var_1_14=0, var_1_15=-1, var_1_16=0, var_1_1=983/40, var_1_9=2] [L90] RET updateVariables() [L91] CALL step() [L37] COND TRUE ((((last_1_var_1_9) > (last_1_var_1_9)) ? (last_1_var_1_9) : (last_1_var_1_9))) >= last_1_var_1_1 [L38] COND TRUE \read(var_1_12) [L39] var_1_14 = (var_1_15 - var_1_16) [L44] COND TRUE \read(var_1_12) [L45] var_1_11 = ((((var_1_14) < (var_1_14)) ? (var_1_14) : (var_1_14))) [L49] var_1_9 = ((((var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) < 0 ) ? -(var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) : (var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))))) [L50] COND TRUE var_1_9 <= var_1_9 [L51] COND TRUE (var_1_11 + var_1_11) >= (var_1_14 + var_1_14) [L52] var_1_1 = var_1_8 [L91] RET step() [L92] CALL, EXPR property() [L81-L82] return ((((var_1_9 <= var_1_9) ? (((var_1_11 + var_1_11) >= (var_1_14 + var_1_14)) ? (var_1_1 == ((double) var_1_8)) : 1) : (var_1_1 == ((double) var_1_8))) && (var_1_9 == ((float) ((((var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) < 0 ) ? -(var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) : (var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f))))))))) && (var_1_12 ? (var_1_11 == ((unsigned long int) ((((var_1_14) < (var_1_14)) ? (var_1_14) : (var_1_14))))) : (var_1_11 == ((unsigned long int) ((((var_1_14) > ((var_1_13 - (var_1_14 + 32u)))) ? (var_1_14) : ((var_1_13 - (var_1_14 + 32u))))))))) && ((((((last_1_var_1_9) > (last_1_var_1_9)) ? (last_1_var_1_9) : (last_1_var_1_9))) >= last_1_var_1_1) ? (var_1_12 ? (var_1_14 == ((signed char) (var_1_15 - var_1_16))) : 1) : (var_1_14 == ((signed char) var_1_15))) ; [L92] RET, EXPR property() [L92] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=-1, var_1_12=1, var_1_13=-2147483649, var_1_14=-1, var_1_15=-1, var_1_16=0, var_1_1=3, var_1_8=3, var_1_9=4] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=2, var_1_11=-1, var_1_12=1, var_1_13=-2147483649, var_1_14=-1, var_1_15=-1, var_1_16=0, var_1_1=3, var_1_8=3, var_1_9=4] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.49ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 80.7MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.45ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.2MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.15ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 78.3MB in the end (delta: 967.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 559.95ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 56.8MB in the end (delta: 21.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 716.64ms. Allocated memory is still 117.4MB. Free memory was 56.8MB in the beginning and 76.6MB in the end (delta: -19.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.02ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 76.6MB in the end (delta: 21.1kB). 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 16:46:22,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/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_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/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_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/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_596e3fe4-b28f-4d0f-846d-619f350847c3/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 44eacf12db4e9e03ae896c491542075bfb298656743b3655ef171492d8e9e317 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:46:24,746 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:46:24,851 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 16:46:24,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:46:24,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:46:24,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:46:24,880 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:46:24,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:46:24,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:46:24,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:46:24,881 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:46:24,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:46:24,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:46:24,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:46:24,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:46:24,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:46:24,882 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:46:24,882 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:46:24,907 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:46:24,907 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:46:24,907 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:46:24,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:46:24,908 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:46:24,908 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:46:24,908 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:46:24,908 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:46:24,908 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:24,908 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:46:24,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:46:24,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:46:24,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:46:24,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:46:24,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:46:24,909 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:46:24,909 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:24,909 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:46:24,909 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_596e3fe4-b28f-4d0f-846d-619f350847c3/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 -> 44eacf12db4e9e03ae896c491542075bfb298656743b3655ef171492d8e9e317 [2024-11-13 16:46:25,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:46:25,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:46:25,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:46:25,273 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:46:25,273 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:46:25,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i Unable to find full path for "g++" [2024-11-13 16:46:27,258 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:46:27,509 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:46:27,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i [2024-11-13 16:46:27,533 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/data/cd90fa4a3/055028ac11c9455088f1f39eac5059a9/FLAGd8f5e04e5 [2024-11-13 16:46:27,585 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/data/cd90fa4a3/055028ac11c9455088f1f39eac5059a9 [2024-11-13 16:46:27,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:46:27,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:46:27,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:46:27,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:46:27,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:46:27,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:46:27" (1/1) ... [2024-11-13 16:46:27,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b4c77ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:27, skipping insertion in model container [2024-11-13 16:46:27,611 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:46:27" (1/1) ... [2024-11-13 16:46:27,634 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:46:27,811 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_596e3fe4-b28f-4d0f-846d-619f350847c3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i[915,928] [2024-11-13 16:46:27,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:46:27,906 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:46:27,918 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_596e3fe4-b28f-4d0f-846d-619f350847c3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-47.i[915,928] [2024-11-13 16:46:27,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:46:27,979 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:46:27,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:27 WrapperNode [2024-11-13 16:46:27,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:46:27,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:46:27,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:46:27,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:46:27,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:27" (1/1) ... [2024-11-13 16:46:27,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:27" (1/1) ... [2024-11-13 16:46:28,019 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 92 [2024-11-13 16:46:28,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:46:28,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:46:28,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:46:28,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:46:28,028 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:27" (1/1) ... [2024-11-13 16:46:28,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:27" (1/1) ... [2024-11-13 16:46:28,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:27" (1/1) ... [2024-11-13 16:46:28,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:27" (1/1) ... [2024-11-13 16:46:28,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:27" (1/1) ... [2024-11-13 16:46:28,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:27" (1/1) ... [2024-11-13 16:46:28,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:27" (1/1) ... [2024-11-13 16:46:28,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:27" (1/1) ... [2024-11-13 16:46:28,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:46:28,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:46:28,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:46:28,061 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:46:28,062 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:27" (1/1) ... [2024-11-13 16:46:28,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:46:28,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:46:28,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:46:28,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:46:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:46:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:46:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:46:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:46:28,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:46:28,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:46:28,198 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:46:28,201 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:46:28,835 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 16:46:28,835 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:46:28,938 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:46:28,938 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:46:28,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:28 BoogieIcfgContainer [2024-11-13 16:46:28,939 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:46:28,940 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:46:28,940 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:46:28,950 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:46:28,950 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:28" (1/1) ... [2024-11-13 16:46:28,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:46:28,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:29,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-11-13 16:46:29,010 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-13 16:46:29,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 16:46:29,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:29,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:29,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:29,021 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:29,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:46:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:29,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:30,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 16:46:30,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:44,873 WARN L286 SmtUtils]: Spent 5.60s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 16:53:12,317 WARN L286 SmtUtils]: Spent 5.71s on a formula simplification. DAG size of input: 645 DAG size of output: 479 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 16:54:06,434 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 20 proven. 21 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 16:54:06,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:54:11,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:54:11,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 45 states and 84 transitions. [2024-11-13 16:54:11,008 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2024-11-13 16:54:11,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 16:54:11,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:54:11,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:54:11,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:54:11,015 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:54:11,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:54:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:54:11,809 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:54:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:54:11,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:54:11,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:54:12,195 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 217 proven. 1 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 16:54:12,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 16:54:20,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:54:20,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 65 states and 118 transitions. [2024-11-13 16:54:20,258 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 118 transitions. [2024-11-13 16:54:20,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 16:54:20,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:54:20,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:54:20,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:54:20,267 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:54:20,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 16:54:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:54:21,379 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:54:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:54:21,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:54:21,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:54:21,652 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 437 proven. 1 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2024-11-13 16:54:21,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 16:54:22,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:54:22,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 25 states and 34 transitions. [2024-11-13 16:54:22,486 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-13 16:54:22,487 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 16:54:22,487 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-13 16:54:22,504 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 16:54:24,891 INFO L77 FloydHoareUtils]: At program point L64(line 64) the Hoare annotation is: true [2024-11-13 16:54:24,892 INFO L77 FloydHoareUtils]: At program point L64-1(line 64) the Hoare annotation is: true [2024-11-13 16:54:24,892 INFO L77 FloydHoareUtils]: At program point L60(line 60) the Hoare annotation is: true [2024-11-13 16:54:24,892 INFO L77 FloydHoareUtils]: At program point L60-1(line 60) the Hoare annotation is: true [2024-11-13 16:54:24,892 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: true [2024-11-13 16:54:24,892 INFO L77 FloydHoareUtils]: At program point L19-1(line 19) the Hoare annotation is: true [2024-11-13 16:54:24,893 INFO L77 FloydHoareUtils]: At program point L19-3(line 19) the Hoare annotation is: true [2024-11-13 16:54:24,893 INFO L77 FloydHoareUtils]: At program point L73(line 73) the Hoare annotation is: true [2024-11-13 16:54:24,893 INFO L77 FloydHoareUtils]: At program point L73-1(line 73) the Hoare annotation is: true [2024-11-13 16:54:24,893 INFO L77 FloydHoareUtils]: At program point L65(line 65) the Hoare annotation is: true [2024-11-13 16:54:24,893 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) the Hoare annotation is: true [2024-11-13 16:54:24,893 INFO L77 FloydHoareUtils]: At program point L74(lines 58 75) the Hoare annotation is: true [2024-11-13 16:54:24,893 INFO L77 FloydHoareUtils]: At program point L70(line 70) the Hoare annotation is: true [2024-11-13 16:54:24,893 INFO L77 FloydHoareUtils]: At program point L70-1(line 70) the Hoare annotation is: true [2024-11-13 16:54:24,893 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 16:54:24,894 INFO L77 FloydHoareUtils]: At program point L62(line 62) the Hoare annotation is: true [2024-11-13 16:54:24,894 INFO L77 FloydHoareUtils]: At program point L62-1(line 62) the Hoare annotation is: true [2024-11-13 16:54:24,894 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 16:54:24,894 INFO L77 FloydHoareUtils]: At program point L71(line 71) the Hoare annotation is: true [2024-11-13 16:54:24,894 INFO L77 FloydHoareUtils]: At program point L67(line 67) the Hoare annotation is: true [2024-11-13 16:54:24,894 INFO L77 FloydHoareUtils]: At program point L67-1(line 67) the Hoare annotation is: true [2024-11-13 16:54:24,895 INFO L77 FloydHoareUtils]: At program point L88-2(lines 88 94) the Hoare annotation is: true [2024-11-13 16:54:24,895 INFO L77 FloydHoareUtils]: At program point L68(line 68) the Hoare annotation is: true [2024-11-13 16:54:24,895 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2024-11-13 16:54:24,895 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(line 20) the Hoare annotation is: true [2024-11-13 16:54:24,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:54:24 ImpRootNode [2024-11-13 16:54:24,912 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:54:24,913 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:54:24,913 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:54:24,913 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:54:24,914 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:28" (3/4) ... [2024-11-13 16:54:24,917 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:54:24,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 16:54:24,925 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2024-11-13 16:54:24,926 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-13 16:54:24,926 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 16:54:24,926 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 16:54:25,027 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 16:54:25,028 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 16:54:25,028 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:54:25,029 INFO L158 Benchmark]: Toolchain (without parser) took 477434.57ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 93.2MB in the beginning and 690.0MB in the end (delta: -596.8MB). Peak memory consumption was 512.8MB. Max. memory is 16.1GB. [2024-11-13 16:54:25,029 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:54:25,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.44ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 80.0MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:54:25,030 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.13ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:54:25,031 INFO L158 Benchmark]: Boogie Preprocessor took 40.25ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 76.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:54:25,031 INFO L158 Benchmark]: RCFGBuilder took 877.88ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 55.1MB in the end (delta: 21.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:54:25,032 INFO L158 Benchmark]: CodeCheck took 475972.46ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 54.9MB in the beginning and 698.3MB in the end (delta: -643.4MB). Peak memory consumption was 487.7MB. Max. memory is 16.1GB. [2024-11-13 16:54:25,033 INFO L158 Benchmark]: Witness Printer took 115.17ms. Allocated memory is still 1.2GB. Free memory was 698.3MB in the beginning and 690.0MB in the end (delta: 8.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:54:25,035 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 473.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 248 SdHoareTripleChecker+Valid, 15.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 169 SdHoareTripleChecker+Invalid, 13.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 159 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 681 IncrementalHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 159 mSolverCounterUnsat, 45 mSDtfsCounter, 681 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1955 GetRequests, 1907 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 640 ImplicationChecksByTransitivity, 8.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 456.7s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 234 ConstructedInterpolants, 0 QuantifiedInterpolants, 2407 SizeOfPredicates, 14 NumberOfNonLiveVariables, 474 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 1390/1413 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: 19]: 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 - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (last_1_var_1_1 == \old(last_1_var_1_1))) && (last_1_var_1_9 == \old(last_1_var_1_9))) * 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 84.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.44ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 80.0MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.13ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.25ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 76.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 877.88ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 55.1MB in the end (delta: 21.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 475972.46ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 54.9MB in the beginning and 698.3MB in the end (delta: -643.4MB). Peak memory consumption was 487.7MB. Max. memory is 16.1GB. * Witness Printer took 115.17ms. Allocated memory is still 1.2GB. Free memory was 698.3MB in the beginning and 690.0MB in the end (delta: 8.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 16:54:25,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_596e3fe4-b28f-4d0f-846d-619f350847c3/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 Writing output log to file Ultimate.log Result: TRUE