./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound50.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_f49ea195-ce7c-4c25-a3bf-9b8c06cec888/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ea195-ce7c-4c25-a3bf-9b8c06cec888/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_f49ea195-ce7c-4c25-a3bf-9b8c06cec888/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ea195-ce7c-4c25-a3bf-9b8c06cec888/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ea195-ce7c-4c25-a3bf-9b8c06cec888/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_f49ea195-ce7c-4c25-a3bf-9b8c06cec888/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 98369d9212fd3855c7312ce1f4a6a94601b6c04438d46f463a4c8e55ff4dc367 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:29,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:29,781 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ea195-ce7c-4c25-a3bf-9b8c06cec888/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:05:29,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:05:29,791 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:05:29,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:29,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:29,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:29,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:29,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:29,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:29,839 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:29,839 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:05:29,840 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:05:29,840 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:05:29,841 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:29,841 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:29,841 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:29,842 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:29,842 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:29,842 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:05:29,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:29,843 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:29,844 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:29,844 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:29,845 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:29,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:29,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:29,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:29,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:29,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:29,847 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:05:29,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:05:29,858 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_f49ea195-ce7c-4c25-a3bf-9b8c06cec888/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ea195-ce7c-4c25-a3bf-9b8c06cec888/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98369d9212fd3855c7312ce1f4a6a94601b6c04438d46f463a4c8e55ff4dc367 [2024-11-08 22:05:30,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:30,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:30,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:30,292 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:30,293 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:30,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ea195-ce7c-4c25-a3bf-9b8c06cec888/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound50.c Unable to find full path for "g++" [2024-11-08 22:05:32,608 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:32,650 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 22:05:32,906 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:32,907 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ea195-ce7c-4c25-a3bf-9b8c06cec888/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound50.c [2024-11-08 22:05:32,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ea195-ce7c-4c25-a3bf-9b8c06cec888/bin/ukojak-verify-ImItNfHLgk/data/e65354197/e8f86b017e824a3dac1764fbc0ded16c/FLAG36af76534 [2024-11-08 22:05:32,947 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ea195-ce7c-4c25-a3bf-9b8c06cec888/bin/ukojak-verify-ImItNfHLgk/data/e65354197/e8f86b017e824a3dac1764fbc0ded16c [2024-11-08 22:05:32,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:32,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:32,954 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:32,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:32,961 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:32,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:32" (1/1) ... [2024-11-08 22:05:32,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40059a73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:32, skipping insertion in model container [2024-11-08 22:05:32,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:32" (1/1) ... [2024-11-08 22:05:32,995 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:33,250 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_f49ea195-ce7c-4c25-a3bf-9b8c06cec888/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound50.c[555,568] [2024-11-08 22:05:33,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:33,281 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:33,293 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_f49ea195-ce7c-4c25-a3bf-9b8c06cec888/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound50.c[555,568] [2024-11-08 22:05:33,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:33,317 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:33,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33 WrapperNode [2024-11-08 22:05:33,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:33,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:33,320 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:33,320 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:33,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,348 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2024-11-08 22:05:33,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:33,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:33,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:33,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:33,358 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,360 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,360 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,366 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,367 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,370 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:33,370 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:33,371 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:33,371 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:33,372 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:33,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ea195-ce7c-4c25-a3bf-9b8c06cec888/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:33,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ea195-ce7c-4c25-a3bf-9b8c06cec888/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:33,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ea195-ce7c-4c25-a3bf-9b8c06cec888/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:33,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:05:33,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:33,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:33,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:05:33,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:05:33,528 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:33,532 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:05:33,794 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 22:05:33,794 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:05:33,820 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:05:33,820 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:05:33,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:33 BoogieIcfgContainer [2024-11-08 22:05:33,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:05:33,822 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:05:33,823 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:05:33,834 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:05:33,834 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:33" (1/1) ... [2024-11-08 22:05:33,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:05:33,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:33,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-08 22:05:33,906 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-08 22:05:33,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:05:33,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:33,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:34,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:05:34,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:34,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-08 22:05:34,080 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-08 22:05:34,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:05:34,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:34,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:05:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:34,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:05:34,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:05:34,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:05:34,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:34,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2024-11-08 22:05:34,488 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-11-08 22:05:34,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:05:34,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:34,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:34,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:05:35,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:35,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-08 22:05:35,038 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-08 22:05:35,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:05:35,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:35,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:05:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:35,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:35,187 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-08 22:05:35,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:05:35 ImpRootNode [2024-11-08 22:05:35,223 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:05:35,224 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:05:35,224 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:05:35,224 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:05:35,225 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:33" (3/4) ... [2024-11-08 22:05:35,226 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 22:05:35,282 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ea195-ce7c-4c25-a3bf-9b8c06cec888/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:05:35,283 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:05:35,284 INFO L158 Benchmark]: Toolchain (without parser) took 2331.63ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 81.7MB in the beginning and 139.9MB in the end (delta: -58.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:35,284 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 144.7MB. Free memory was 118.8MB in the beginning and 118.6MB in the end (delta: 153.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:35,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.35ms. Allocated memory is still 144.7MB. Free memory was 81.4MB in the beginning and 111.2MB in the end (delta: -29.8MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-08 22:05:35,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.62ms. Allocated memory is still 144.7MB. Free memory was 111.2MB in the beginning and 110.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:35,285 INFO L158 Benchmark]: Boogie Preprocessor took 20.88ms. Allocated memory is still 144.7MB. Free memory was 110.0MB in the beginning and 109.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:35,286 INFO L158 Benchmark]: RCFGBuilder took 450.88ms. Allocated memory is still 144.7MB. Free memory was 109.0MB in the beginning and 110.9MB in the end (delta: -1.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:05:35,291 INFO L158 Benchmark]: CodeCheck took 1400.75ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 110.9MB in the beginning and 142.0MB in the end (delta: -31.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:35,291 INFO L158 Benchmark]: Witness Printer took 59.01ms. Allocated memory is still 174.1MB. Free memory was 142.0MB in the beginning and 140.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:35,294 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 56 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 SizeOfPredicates, 1 NumberOfNonLiveVariables, 43 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] unsigned int z, k; [L25] unsigned long long x, y, c; [L26] z = __VERIFIER_nondet_uint() [L27] k = __VERIFIER_nondet_uint() [L29] x = 1 [L30] y = z [L31] c = 1 VAL [c=1, counter=0, x=1, y=0, z=0] [L33] EXPR counter++ VAL [c=1, counter=1, x=1, y=0, z=0] [L33] COND TRUE counter++<50 [L34] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [\old(cond)=1, counter=1] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L34] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [c=1, counter=1, x=1, y=0, z=0] [L36] COND TRUE !(c < k) VAL [counter=1, x=1, y=0, z=0] [L45] x = x * (z - 1) VAL [counter=1, x=4294967295, y=0] [L47] CALL __VERIFIER_assert(1 + x - y == 0) VAL [\old(cond)=0, counter=1] [L16] COND TRUE !(cond) VAL [\old(cond)=0, counter=1] [L18] reach_error() VAL [\old(cond)=0, counter=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 144.7MB. Free memory was 118.8MB in the beginning and 118.6MB in the end (delta: 153.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.35ms. Allocated memory is still 144.7MB. Free memory was 81.4MB in the beginning and 111.2MB in the end (delta: -29.8MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.62ms. Allocated memory is still 144.7MB. Free memory was 111.2MB in the beginning and 110.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.88ms. Allocated memory is still 144.7MB. Free memory was 110.0MB in the beginning and 109.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 450.88ms. Allocated memory is still 144.7MB. Free memory was 109.0MB in the beginning and 110.9MB in the end (delta: -1.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1400.75ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 110.9MB in the beginning and 142.0MB in the end (delta: -31.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 59.01ms. Allocated memory is still 174.1MB. Free memory was 142.0MB in the beginning and 140.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 22:05:35,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f49ea195-ce7c-4c25-a3bf-9b8c06cec888/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