./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf26acc2-9b98-4458-a441-e9e968d945a9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf26acc2-9b98-4458-a441-e9e968d945a9/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_bf26acc2-9b98-4458-a441-e9e968d945a9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf26acc2-9b98-4458-a441-e9e968d945a9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf26acc2-9b98-4458-a441-e9e968d945a9/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_bf26acc2-9b98-4458-a441-e9e968d945a9/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 e090762371efa1a10feb6b828109be17ddc5665dc90c03c64afd7f0f5af02942 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:16:07,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:16:07,425 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf26acc2-9b98-4458-a441-e9e968d945a9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:16:07,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:16:07,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:16:07,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:16:07,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:16:07,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:16:07,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:16:07,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:16:07,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:16:07,462 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:16:07,462 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:16:07,463 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:16:07,463 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:16:07,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:16:07,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:16:07,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:16:07,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:16:07,465 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:16:07,465 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:16:07,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:16:07,465 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:16:07,465 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:16:07,465 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:16:07,465 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:16:07,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:16:07,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:16:07,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:16:07,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:16:07,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:16:07,466 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:16:07,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:16:07,466 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_bf26acc2-9b98-4458-a441-e9e968d945a9/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 -> e090762371efa1a10feb6b828109be17ddc5665dc90c03c64afd7f0f5af02942 [2024-11-13 22:16:07,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:16:07,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:16:07,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:16:07,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:16:07,790 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:16:07,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf26acc2-9b98-4458-a441-e9e968d945a9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c Unable to find full path for "g++" [2024-11-13 22:16:09,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:16:09,798 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException: Cannot invoke "String.equalsIgnoreCase(String)" because "kindStr" is null 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) [2024-11-13 22:16:10,103 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:16:10,104 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf26acc2-9b98-4458-a441-e9e968d945a9/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c [2024-11-13 22:16:10,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf26acc2-9b98-4458-a441-e9e968d945a9/bin/ukojak-verify-EEHR8qb7sm/data/27d308a22/0913c7dacc2b4203a03d073673159339/FLAG24dd5947f [2024-11-13 22:16:10,150 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf26acc2-9b98-4458-a441-e9e968d945a9/bin/ukojak-verify-EEHR8qb7sm/data/27d308a22/0913c7dacc2b4203a03d073673159339 [2024-11-13 22:16:10,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:16:10,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:16:10,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:16:10,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:16:10,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:16:10,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:16:10" (1/1) ... [2024-11-13 22:16:10,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3acc602d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:10, skipping insertion in model container [2024-11-13 22:16:10,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:16:10" (1/1) ... [2024-11-13 22:16:10,183 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:16:10,339 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_bf26acc2-9b98-4458-a441-e9e968d945a9/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c[546,559] [2024-11-13 22:16:10,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:16:10,372 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:16:10,383 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_bf26acc2-9b98-4458-a441-e9e968d945a9/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c[546,559] [2024-11-13 22:16:10,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:16:10,399 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:16:10,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:10 WrapperNode [2024-11-13 22:16:10,400 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:16:10,401 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:16:10,401 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:16:10,401 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:16:10,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:10" (1/1) ... [2024-11-13 22:16:10,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:10" (1/1) ... [2024-11-13 22:16:10,428 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2024-11-13 22:16:10,428 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:16:10,429 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:16:10,429 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:16:10,429 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:16:10,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:10" (1/1) ... [2024-11-13 22:16:10,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:10" (1/1) ... [2024-11-13 22:16:10,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:10" (1/1) ... [2024-11-13 22:16:10,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:10" (1/1) ... [2024-11-13 22:16:10,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:10" (1/1) ... [2024-11-13 22:16:10,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:10" (1/1) ... [2024-11-13 22:16:10,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:10" (1/1) ... [2024-11-13 22:16:10,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:10" (1/1) ... [2024-11-13 22:16:10,445 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:16:10,446 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:16:10,446 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:16:10,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:16:10,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:16:10" (1/1) ... [2024-11-13 22:16:10,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:16:10,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf26acc2-9b98-4458-a441-e9e968d945a9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:16:10,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf26acc2-9b98-4458-a441-e9e968d945a9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:16:10,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf26acc2-9b98-4458-a441-e9e968d945a9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:16:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:16:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:16:10,514 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:16:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:16:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:16:10,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:16:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:16:10,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:16:10,593 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:16:10,595 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:16:10,780 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 22:16:10,781 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:16:10,826 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:16:10,826 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:16:10,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:16:10 BoogieIcfgContainer [2024-11-13 22:16:10,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:16:10,828 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:16:10,829 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:16:10,842 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:16:10,842 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:16:10" (1/1) ... [2024-11-13 22:16:10,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:16:10,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:10,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 22:16:10,918 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 22:16:10,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:16:10,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:10,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:11,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:16:11,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:11,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-11-13 22:16:11,134 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-13 22:16:11,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:16:11,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:11,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:16:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:11,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:16:11,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:16:11,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:16:11,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:11,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-11-13 22:16:11,523 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-11-13 22:16:11,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:16:11,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:11,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:11,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:16:12,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:12,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 36 transitions. [2024-11-13 22:16:12,048 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-13 22:16:12,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:16:12,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:12,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:12,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:16:13,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:13,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 37 transitions. [2024-11-13 22:16:13,284 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-11-13 22:16:13,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:16:13,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:13,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:16:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:13,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:16:13,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:16:13,488 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:16:14,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:14,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 46 transitions. [2024-11-13 22:16:14,575 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2024-11-13 22:16:14,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:16:14,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:14,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:15,461 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:16:20,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:20,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 62 transitions. [2024-11-13 22:16:20,305 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 62 transitions. [2024-11-13 22:16:20,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:16:20,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:20,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:16:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:20,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:16:20,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:16:21,305 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:16:31,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:31,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 24 states and 29 transitions. [2024-11-13 22:16:31,407 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2024-11-13 22:16:31,408 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:16:31,408 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-13 22:16:31,418 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:16:32,076 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:16:32,076 INFO L77 FloydHoareUtils]: At program point L35-3(lines 35 45) the Hoare annotation is: true [2024-11-13 22:16:32,076 INFO L77 FloydHoareUtils]: At program point L35-4(lines 35 45) the Hoare annotation is: true [2024-11-13 22:16:32,076 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: true [2024-11-13 22:16:32,076 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:16:32,076 INFO L77 FloydHoareUtils]: At program point L36(line 36) the Hoare annotation is: true [2024-11-13 22:16:32,076 INFO L77 FloydHoareUtils]: At program point L36-1(lines 35 45) the Hoare annotation is: (= (mod (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) (* 18446744073709551615 |ULTIMATE.start_main_~y~0#1|) (* 18446744073709551615 |ULTIMATE.start_main_~x~0#1|) 1) 18446744073709551616) 0) [2024-11-13 22:16:32,077 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: (= ~counter~0 0) [2024-11-13 22:16:32,077 INFO L77 FloydHoareUtils]: At program point L28-1(line 28) the Hoare annotation is: (not (and (< |ULTIMATE.start_main_~z~0#1| 1) (= ~counter~0 0))) [2024-11-13 22:16:32,077 INFO L77 FloydHoareUtils]: At program point L49(line 49) the Hoare annotation is: true [2024-11-13 22:16:32,077 INFO L77 FloydHoareUtils]: At program point L49-1(line 49) the Hoare annotation is: true [2024-11-13 22:16:32,077 INFO L77 FloydHoareUtils]: At program point L35-1(lines 35 45) the Hoare annotation is: (not (and (= |ULTIMATE.start_main_#t~post6#1| 0) (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|) (= |ULTIMATE.start_main_~x~0#1| 1) (< ~counter~0 1))) [2024-11-13 22:16:32,077 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 12 14) the Hoare annotation is: true [2024-11-13 22:16:32,077 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 12 14) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-11-13 22:16:32,077 INFO L77 FloydHoareUtils]: At program point L17(lines 17 18) the Hoare annotation is: true [2024-11-13 22:16:32,077 INFO L77 FloydHoareUtils]: At program point L16(lines 16 19) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-11-13 22:16:32,077 INFO L77 FloydHoareUtils]: At program point L16-2(lines 15 21) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 22:16:32,077 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 15 21) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 22:16:32,077 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 15 21) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-11-13 22:16:32,078 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 18) the Hoare annotation is: true [2024-11-13 22:16:32,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:16:32 ImpRootNode [2024-11-13 22:16:32,094 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:16:32,095 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:16:32,095 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:16:32,095 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:16:32,096 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:16:10" (3/4) ... [2024-11-13 22:16:32,098 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:16:32,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 22:16:32,101 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 22:16:32,105 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-13 22:16:32,105 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 22:16:32,105 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:16:32,105 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:16:32,176 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf26acc2-9b98-4458-a441-e9e968d945a9/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:16:32,176 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf26acc2-9b98-4458-a441-e9e968d945a9/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:16:32,177 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:16:32,178 INFO L158 Benchmark]: Toolchain (without parser) took 22024.90ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 97.6MB in the end (delta: 22.0MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-11-13 22:16:32,178 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:16:32,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.11ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.5MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:16:32,179 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.33ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:16:32,179 INFO L158 Benchmark]: Boogie Preprocessor took 16.94ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.6MB in the end (delta: 546.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:16:32,179 INFO L158 Benchmark]: RCFGBuilder took 381.34ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 94.6MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:16:32,180 INFO L158 Benchmark]: CodeCheck took 21265.78ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 101.6MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:16:32,180 INFO L158 Benchmark]: Witness Printer took 82.09ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 97.6MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:16:32,182 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 3 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 363 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 354 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 117 mSDsCounter, 203 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 573 IncrementalHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 203 mSolverCounterUnsat, 237 mSDtfsCounter, 573 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1189 GetRequests, 1053 SyntacticMatches, 10 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6006 ImplicationChecksByTransitivity, 17.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 140 ConstructedInterpolants, 1 QuantifiedInterpolants, 479 SizeOfPredicates, 3 NumberOfNonLiveVariables, 242 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 37/55 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: 18]: 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: 12]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((cond != 0) && (counter == \old(counter))) - ProcedureContractResult [Line: 15]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((0 < cond) || (cond == 0)) Ensures: ((cond != 0) && (counter == \old(counter))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.11ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.5MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.33ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.94ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.6MB in the end (delta: 546.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 381.34ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 94.6MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 21265.78ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 101.6MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 82.09ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 97.6MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:16:32,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf26acc2-9b98-4458-a441-e9e968d945a9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE