./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test21-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46835a3-5c68-4c99-ae27-7e7d07a3168f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46835a3-5c68-4c99-ae27-7e7d07a3168f/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46835a3-5c68-4c99-ae27-7e7d07a3168f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46835a3-5c68-4c99-ae27-7e7d07a3168f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test21-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46835a3-5c68-4c99-ae27-7e7d07a3168f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46835a3-5c68-4c99-ae27-7e7d07a3168f/bin/ukojak-verify-ImItNfHLgk --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 712c5452cee1b4c02208da17c2cf0dc9636485194e157c656e1372fe334269f7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:38:23,335 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:38:23,447 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46835a3-5c68-4c99-ae27-7e7d07a3168f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:38:23,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:38:23,455 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:38:23,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:38:23,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:38:23,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:38:23,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:38:23,499 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:38:23,500 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:38:23,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:38:23,501 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:38:23,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:38:23,502 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:38:23,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:38:23,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:38:23,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:38:23,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:38:23,504 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:38:23,505 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:38:23,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:38:23,506 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:38:23,506 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:38:23,507 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:38:23,507 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:38:23,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:38:23,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:38:23,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:38:23,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:38:23,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:38:23,512 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:38:23,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:38:23,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46835a3-5c68-4c99-ae27-7e7d07a3168f/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46835a3-5c68-4c99-ae27-7e7d07a3168f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 712c5452cee1b4c02208da17c2cf0dc9636485194e157c656e1372fe334269f7 [2024-11-08 22:38:23,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:38:23,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:38:23,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:38:23,906 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:38:23,907 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:38:23,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46835a3-5c68-4c99-ae27-7e7d07a3168f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-regression/test21-2.c Unable to find full path for "g++" [2024-11-08 22:38:25,911 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:38:25,936 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 22:38:26,129 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:38:26,129 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46835a3-5c68-4c99-ae27-7e7d07a3168f/sv-benchmarks/c/ldv-regression/test21-2.c [2024-11-08 22:38:26,138 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46835a3-5c68-4c99-ae27-7e7d07a3168f/bin/ukojak-verify-ImItNfHLgk/data/ce87cc786/58968694871f45a4a10773dc6d5a6f18/FLAGbf61147ac [2024-11-08 22:38:26,173 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46835a3-5c68-4c99-ae27-7e7d07a3168f/bin/ukojak-verify-ImItNfHLgk/data/ce87cc786/58968694871f45a4a10773dc6d5a6f18 [2024-11-08 22:38:26,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:38:26,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:38:26,185 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:38:26,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:38:26,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:38:26,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:38:26" (1/1) ... [2024-11-08 22:38:26,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4247fbd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:26, skipping insertion in model container [2024-11-08 22:38:26,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:38:26" (1/1) ... [2024-11-08 22:38:26,215 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:38:26,462 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_b46835a3-5c68-4c99-ae27-7e7d07a3168f/sv-benchmarks/c/ldv-regression/test21-2.c[892,905] [2024-11-08 22:38:26,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:38:26,480 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:38:26,503 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_b46835a3-5c68-4c99-ae27-7e7d07a3168f/sv-benchmarks/c/ldv-regression/test21-2.c[892,905] [2024-11-08 22:38:26,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:38:26,533 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:38:26,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:26 WrapperNode [2024-11-08 22:38:26,534 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:38:26,535 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:38:26,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:38:26,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:38:26,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:26" (1/1) ... [2024-11-08 22:38:26,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:26" (1/1) ... [2024-11-08 22:38:26,576 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-08 22:38:26,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:38:26,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:38:26,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:38:26,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:38:26,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:26" (1/1) ... [2024-11-08 22:38:26,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:26" (1/1) ... [2024-11-08 22:38:26,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:26" (1/1) ... [2024-11-08 22:38:26,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:26" (1/1) ... [2024-11-08 22:38:26,598 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:26" (1/1) ... [2024-11-08 22:38:26,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:26" (1/1) ... [2024-11-08 22:38:26,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:26" (1/1) ... [2024-11-08 22:38:26,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:26" (1/1) ... [2024-11-08 22:38:26,604 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:38:26,605 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:38:26,605 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:38:26,605 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:38:26,606 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:26" (1/1) ... [2024-11-08 22:38:26,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:38:26,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46835a3-5c68-4c99-ae27-7e7d07a3168f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:38:26,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46835a3-5c68-4c99-ae27-7e7d07a3168f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:38:26,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46835a3-5c68-4c99-ae27-7e7d07a3168f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:38:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:38:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:38:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:38:26,670 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2024-11-08 22:38:26,670 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2024-11-08 22:38:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:38:26,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:38:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:38:26,742 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:38:26,745 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:38:26,955 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 22:38:26,955 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:38:27,004 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:38:27,005 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:38:27,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:38:27 BoogieIcfgContainer [2024-11-08 22:38:27,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:38:27,006 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:38:27,006 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:38:27,018 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:38:27,018 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:38:27" (1/1) ... [2024-11-08 22:38:27,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:38:27,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:27,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-08 22:38:27,087 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-08 22:38:27,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:38:27,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:27,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:38:27,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:38:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:38:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:38:27,440 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:38:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:38:27,501 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:38:27,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:38:27 ImpRootNode [2024-11-08 22:38:27,551 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:38:27,552 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:38:27,552 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:38:27,552 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:38:27,553 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:38:27" (3/4) ... [2024-11-08 22:38:27,554 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 22:38:27,609 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46835a3-5c68-4c99-ae27-7e7d07a3168f/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:38:27,609 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:38:27,610 INFO L158 Benchmark]: Toolchain (without parser) took 1431.61ms. Allocated memory is still 157.3MB. Free memory was 129.2MB in the beginning and 97.0MB in the end (delta: 32.2MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-11-08 22:38:27,611 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:38:27,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.85ms. Allocated memory is still 157.3MB. Free memory was 129.0MB in the beginning and 118.0MB in the end (delta: 11.0MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-11-08 22:38:27,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.54ms. Allocated memory is still 157.3MB. Free memory was 118.0MB in the beginning and 115.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:38:27,612 INFO L158 Benchmark]: Boogie Preprocessor took 26.62ms. Allocated memory is still 157.3MB. Free memory was 115.9MB in the beginning and 115.2MB in the end (delta: 751.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:38:27,613 INFO L158 Benchmark]: RCFGBuilder took 400.50ms. Allocated memory is still 157.3MB. Free memory was 115.2MB in the beginning and 118.9MB in the end (delta: -3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 22:38:27,614 INFO L158 Benchmark]: CodeCheck took 545.05ms. Allocated memory is still 157.3MB. Free memory was 118.9MB in the beginning and 99.2MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 22:38:27,614 INFO L158 Benchmark]: Witness Printer took 57.56ms. Allocated memory is still 157.3MB. Free memory was 99.2MB in the beginning and 97.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:38:27,617 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 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 - CounterExampleResult [Line: 44]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L11] struct dummy d1, d2; [L34] CALL init() [L15] d1.a = __VERIFIER_nondet_int() [L16] d1.b = __VERIFIER_nondet_int() [L18] d2.a = __VERIFIER_nondet_int() [L19] d2.b = __VERIFIER_nondet_int() [L34] RET init() [L35] CALL, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L35] RET, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); [L35] CALL, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L24] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L35] RET, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}, pd1={4:0}] [L35] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); [L36] COND TRUE pd1 != 0 && pd1 == pd2 [L37] CALL, EXPR check(pd1, pd2) [L29] EXPR s1->a [L29] EXPR s2->b [L29] return s1->a == s2->b; [L37] RET, EXPR check(pd1, pd2) [L37] COND TRUE !check(pd1, pd2) [L44] reach_error() VAL [d1={4:0}, d2={5:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.85ms. Allocated memory is still 157.3MB. Free memory was 129.0MB in the beginning and 118.0MB in the end (delta: 11.0MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.54ms. Allocated memory is still 157.3MB. Free memory was 118.0MB in the beginning and 115.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.62ms. Allocated memory is still 157.3MB. Free memory was 115.9MB in the beginning and 115.2MB in the end (delta: 751.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 400.50ms. Allocated memory is still 157.3MB. Free memory was 115.2MB in the beginning and 118.9MB in the end (delta: -3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 545.05ms. Allocated memory is still 157.3MB. Free memory was 118.9MB in the beginning and 99.2MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 57.56ms. Allocated memory is still 157.3MB. Free memory was 99.2MB in the beginning and 97.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 22:38:27,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b46835a3-5c68-4c99-ae27-7e7d07a3168f/bin/ukojak-verify-ImItNfHLgk/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