./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test08.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61efadc6-d319-454c-b6ba-1079a824ac30/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61efadc6-d319-454c-b6ba-1079a824ac30/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61efadc6-d319-454c-b6ba-1079a824ac30/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61efadc6-d319-454c-b6ba-1079a824ac30/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61efadc6-d319-454c-b6ba-1079a824ac30/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61efadc6-d319-454c-b6ba-1079a824ac30/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 55f41c66c50792cda5d5bbe104482e2cd600942b05623220f52aeb9f6286617d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:10:32,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:10:32,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61efadc6-d319-454c-b6ba-1079a824ac30/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 06:10:32,627 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:10:32,627 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:10:32,651 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:10:32,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:10:32,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:10:32,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:10:32,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:10:32,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:10:32,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:10:32,654 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:10:32,654 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:10:32,654 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:10:32,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:10:32,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:10:32,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:10:32,654 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:10:32,655 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:10:32,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:10:32,655 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:10:32,655 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:10:32,655 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:10:32,655 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:10:32,655 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:10:32,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:10:32,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:10:32,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:10:32,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:10:32,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:10:32,656 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:10:32,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:10:32,656 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_61efadc6-d319-454c-b6ba-1079a824ac30/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55f41c66c50792cda5d5bbe104482e2cd600942b05623220f52aeb9f6286617d [2024-12-06 06:10:32,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:10:32,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:10:32,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:10:32,942 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:10:32,942 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:10:32,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61efadc6-d319-454c-b6ba-1079a824ac30/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-regression/test08.c [2024-12-06 06:10:35,624 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61efadc6-d319-454c-b6ba-1079a824ac30/bin/ukojak-verify-CZk0znPC7b/data/9bbd899ab/edcf52ce19424784858ee3c3b4b0dde9/FLAG5820c9479 [2024-12-06 06:10:35,875 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:10:35,876 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61efadc6-d319-454c-b6ba-1079a824ac30/sv-benchmarks/c/ldv-regression/test08.c [2024-12-06 06:10:35,884 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61efadc6-d319-454c-b6ba-1079a824ac30/bin/ukojak-verify-CZk0znPC7b/data/9bbd899ab/edcf52ce19424784858ee3c3b4b0dde9/FLAG5820c9479 [2024-12-06 06:10:36,220 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61efadc6-d319-454c-b6ba-1079a824ac30/bin/ukojak-verify-CZk0znPC7b/data/9bbd899ab/edcf52ce19424784858ee3c3b4b0dde9 [2024-12-06 06:10:36,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:10:36,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:10:36,227 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:10:36,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:10:36,234 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:10:36,235 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:10:36" (1/1) ... [2024-12-06 06:10:36,236 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@165f1f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:10:36, skipping insertion in model container [2024-12-06 06:10:36,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:10:36" (1/1) ... [2024-12-06 06:10:36,254 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:10:36,402 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_61efadc6-d319-454c-b6ba-1079a824ac30/sv-benchmarks/c/ldv-regression/test08.c[578,591] [2024-12-06 06:10:36,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:10:36,419 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:10:36,436 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_61efadc6-d319-454c-b6ba-1079a824ac30/sv-benchmarks/c/ldv-regression/test08.c[578,591] [2024-12-06 06:10:36,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:10:36,455 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:10:36,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:10:36 WrapperNode [2024-12-06 06:10:36,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:10:36,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:10:36,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:10:36,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:10:36,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:10:36" (1/1) ... [2024-12-06 06:10:36,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:10:36" (1/1) ... [2024-12-06 06:10:36,493 INFO L138 Inliner]: procedures = 12, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2024-12-06 06:10:36,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:10:36,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:10:36,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:10:36,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:10:36,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:10:36" (1/1) ... [2024-12-06 06:10:36,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:10:36" (1/1) ... [2024-12-06 06:10:36,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:10:36" (1/1) ... [2024-12-06 06:10:36,504 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:10:36" (1/1) ... [2024-12-06 06:10:36,509 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:10:36" (1/1) ... [2024-12-06 06:10:36,510 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:10:36" (1/1) ... [2024-12-06 06:10:36,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:10:36" (1/1) ... [2024-12-06 06:10:36,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:10:36" (1/1) ... [2024-12-06 06:10:36,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:10:36" (1/1) ... [2024-12-06 06:10:36,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:10:36,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:10:36,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:10:36,517 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:10:36,518 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:10:36" (1/1) ... [2024-12-06 06:10:36,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:10:36,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61efadc6-d319-454c-b6ba-1079a824ac30/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:10:36,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61efadc6-d319-454c-b6ba-1079a824ac30/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:10:36,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61efadc6-d319-454c-b6ba-1079a824ac30/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:10:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 06:10:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:10:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:10:36,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:10:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 06:10:36,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:10:36,663 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:10:36,666 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:10:36,791 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 06:10:36,791 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:10:36,852 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:10:36,852 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:10:36,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:10:36 BoogieIcfgContainer [2024-12-06 06:10:36,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:10:36,854 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:10:36,854 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:10:36,864 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:10:36,864 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:10:36" (1/1) ... [2024-12-06 06:10:36,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:10:36,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:10:36,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 06:10:36,921 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 06:10:36,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 06:10:36,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:10:36,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:10:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:10:37,034 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:10:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:10:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:10:37,123 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:10:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:10:37,154 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 06:10:37,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:10:37 ImpRootNode [2024-12-06 06:10:37,181 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:10:37,182 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:10:37,182 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:10:37,182 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:10:37,183 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:10:36" (3/4) ... [2024-12-06 06:10:37,184 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 06:10:37,225 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-12-06 06:10:37,271 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61efadc6-d319-454c-b6ba-1079a824ac30/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 06:10:37,272 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61efadc6-d319-454c-b6ba-1079a824ac30/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 06:10:37,272 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:10:37,273 INFO L158 Benchmark]: Toolchain (without parser) took 1047.04ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 49.5MB in the end (delta: 43.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 06:10:37,273 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:10:37,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.74ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.5MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:10:37,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.59ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:10:37,275 INFO L158 Benchmark]: Boogie Preprocessor took 21.98ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.5MB in the end (delta: 581.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:10:37,275 INFO L158 Benchmark]: RCFGBuilder took 336.44ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 67.1MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:10:37,275 INFO L158 Benchmark]: CodeCheck took 327.72ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 53.8MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:10:37,276 INFO L158 Benchmark]: Witness Printer took 89.69ms. Allocated memory is still 117.4MB. Free memory was 53.5MB in the beginning and 49.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:10:37,278 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, 6 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 38]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6] int a, b; [L7] int *p1, *p2; [L21] p1 = &a [L22] p2 = &b [L24] b = 1 [L25] a = 5 [L27] EXPR \read(a) [L27] a-- [L29] CALL, EXPR f() [L10] EXPR \read(*p1) [L10] EXPR \read(*p2) [L10] EXPR \read(a) [L10] int v = *p1 + *p2 - a; [L11] COND TRUE v == 1 [L12] p1 = p2 [L13] return v; [L29] RET, EXPR f() [L29] a = f() [L31] EXPR \read(a) VAL [a={4:0}, b={5:0}, p1={5:0}, p2={5:0}] [L31] COND TRUE a && p1 == p2 [L38] reach_error() VAL [a={4:0}, b={5:0}, p1={5:0}, p2={5:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.74ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.5MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.59ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.98ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.5MB in the end (delta: 581.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 336.44ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 67.1MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 327.72ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 53.8MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 89.69ms. Allocated memory is still 117.4MB. Free memory was 53.5MB in the beginning and 49.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 06:10:37,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61efadc6-d319-454c-b6ba-1079a824ac30/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE