./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/AllInterval-005.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c18683-3244-4b9d-bda3-efe8d8f9776d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c18683-3244-4b9d-bda3-efe8d8f9776d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c18683-3244-4b9d-bda3-efe8d8f9776d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c18683-3244-4b9d-bda3-efe8d8f9776d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/AllInterval-005.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c18683-3244-4b9d-bda3-efe8d8f9776d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c18683-3244-4b9d-bda3-efe8d8f9776d/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9f3ee9eee9186ec2e7139b6da07915cfbf3926b7d28b3dac4ebf3fd8205beb2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:48:13,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:48:13,911 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c18683-3244-4b9d-bda3-efe8d8f9776d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:48:13,916 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:48:13,916 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:48:13,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:48:13,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:48:13,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:48:13,937 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:48:13,938 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:48:13,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:48:13,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:48:13,938 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:48:13,938 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:48:13,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:48:13,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:48:13,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:48:13,938 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:48:13,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:48:13,939 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:48:13,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:48:13,939 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:48:13,939 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:48:13,939 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:48:13,939 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:48:13,939 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:48:13,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:48:13,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:48:13,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:48:13,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:48:13,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:48:13,940 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:48:13,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:48:13,940 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_b5c18683-3244-4b9d-bda3-efe8d8f9776d/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9f3ee9eee9186ec2e7139b6da07915cfbf3926b7d28b3dac4ebf3fd8205beb2 [2024-12-06 03:48:14,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:48:14,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:48:14,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:48:14,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:48:14,190 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:48:14,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c18683-3244-4b9d-bda3-efe8d8f9776d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/xcsp/AllInterval-005.c [2024-12-06 03:48:16,872 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c18683-3244-4b9d-bda3-efe8d8f9776d/bin/ukojak-verify-CZk0znPC7b/data/5eaba24d4/44e835695aa047a7bff4d6d5c940fa67/FLAGf08d96e47 [2024-12-06 03:48:17,052 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:48:17,052 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c18683-3244-4b9d-bda3-efe8d8f9776d/sv-benchmarks/c/xcsp/AllInterval-005.c [2024-12-06 03:48:17,060 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c18683-3244-4b9d-bda3-efe8d8f9776d/bin/ukojak-verify-CZk0znPC7b/data/5eaba24d4/44e835695aa047a7bff4d6d5c940fa67/FLAGf08d96e47 [2024-12-06 03:48:17,420 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c18683-3244-4b9d-bda3-efe8d8f9776d/bin/ukojak-verify-CZk0znPC7b/data/5eaba24d4/44e835695aa047a7bff4d6d5c940fa67 [2024-12-06 03:48:17,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:48:17,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:48:17,424 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:48:17,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:48:17,427 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:48:17,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:48:17" (1/1) ... [2024-12-06 03:48:17,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6acda766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:17, skipping insertion in model container [2024-12-06 03:48:17,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:48:17" (1/1) ... [2024-12-06 03:48:17,438 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:48:17,556 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_b5c18683-3244-4b9d-bda3-efe8d8f9776d/sv-benchmarks/c/xcsp/AllInterval-005.c[2566,2579] [2024-12-06 03:48:17,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:48:17,566 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:48:17,583 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_b5c18683-3244-4b9d-bda3-efe8d8f9776d/sv-benchmarks/c/xcsp/AllInterval-005.c[2566,2579] [2024-12-06 03:48:17,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:48:17,593 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:48:17,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:17 WrapperNode [2024-12-06 03:48:17,593 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:48:17,594 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:48:17,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:48:17,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:48:17,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:17" (1/1) ... [2024-12-06 03:48:17,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:17" (1/1) ... [2024-12-06 03:48:17,623 INFO L138 Inliner]: procedures = 13, calls = 45, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 108 [2024-12-06 03:48:17,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:48:17,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:48:17,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:48:17,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:48:17,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:17" (1/1) ... [2024-12-06 03:48:17,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:17" (1/1) ... [2024-12-06 03:48:17,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:17" (1/1) ... [2024-12-06 03:48:17,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:17" (1/1) ... [2024-12-06 03:48:17,632 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:17" (1/1) ... [2024-12-06 03:48:17,632 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:17" (1/1) ... [2024-12-06 03:48:17,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:17" (1/1) ... [2024-12-06 03:48:17,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:17" (1/1) ... [2024-12-06 03:48:17,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:17" (1/1) ... [2024-12-06 03:48:17,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:48:17,637 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:48:17,637 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:48:17,637 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:48:17,637 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:17" (1/1) ... [2024-12-06 03:48:17,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:48:17,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c18683-3244-4b9d-bda3-efe8d8f9776d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:48:17,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c18683-3244-4b9d-bda3-efe8d8f9776d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:48:17,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c18683-3244-4b9d-bda3-efe8d8f9776d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:48:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:48:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:48:17,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:48:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:48:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2024-12-06 03:48:17,687 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2024-12-06 03:48:17,740 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:48:17,742 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:48:17,893 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 03:48:17,894 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:48:17,919 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:48:17,919 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:48:17,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:48:17 BoogieIcfgContainer [2024-12-06 03:48:17,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:48:17,920 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:48:17,920 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:48:17,929 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:48:17,929 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:48:17" (1/1) ... [2024-12-06 03:48:17,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:48:17,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:48:17,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 57 states and 93 transitions. [2024-12-06 03:48:17,985 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 93 transitions. [2024-12-06 03:48:17,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-06 03:48:17,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:48:17,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:48:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:48:18,405 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:48:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:48:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:48:18,638 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:48:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:48:18,746 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:48:18,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:48:18 ImpRootNode [2024-12-06 03:48:18,789 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:48:18,790 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:48:18,790 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:48:18,790 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:48:18,791 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:48:17" (3/4) ... [2024-12-06 03:48:18,792 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 03:48:18,857 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 115. [2024-12-06 03:48:18,943 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c18683-3244-4b9d-bda3-efe8d8f9776d/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:48:18,943 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c18683-3244-4b9d-bda3-efe8d8f9776d/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:48:18,943 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:48:18,944 INFO L158 Benchmark]: Toolchain (without parser) took 1520.66ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 61.4MB in the end (delta: 55.7MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-12-06 03:48:18,944 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:48:18,944 INFO L158 Benchmark]: CACSL2BoogieTranslator took 169.58ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 105.2MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:48:18,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.02ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 103.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:48:18,945 INFO L158 Benchmark]: Boogie Preprocessor took 12.91ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 103.0MB in the end (delta: 699.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:48:18,945 INFO L158 Benchmark]: RCFGBuilder took 282.79ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 87.8MB in the end (delta: 15.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:48:18,946 INFO L158 Benchmark]: CodeCheck took 869.46ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 72.2MB in the end (delta: 15.6MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-12-06 03:48:18,946 INFO L158 Benchmark]: Witness Printer took 152.93ms. Allocated memory is still 142.6MB. Free memory was 72.2MB in the beginning and 61.4MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:48:18,948 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, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 129 NumberOfCodeBlocks, 129 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 93]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L24] int cond0; [L25] int dummy = 0; [L26] int N; [L27] int var0; [L28] var0 = __VERIFIER_nondet_int() [L29] CALL assume(var0 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L29] RET assume(var0 >= 0) VAL [var0=3] [L30] CALL assume(var0 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L30] RET assume(var0 <= 4) VAL [var0=3] [L31] int var1; [L32] var1 = __VERIFIER_nondet_int() [L33] CALL assume(var1 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L33] RET assume(var1 >= 0) VAL [var0=3, var1=0] [L34] CALL assume(var1 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L34] RET assume(var1 <= 4) VAL [var0=3, var1=0] [L35] int var2; [L36] var2 = __VERIFIER_nondet_int() [L37] CALL assume(var2 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L37] RET assume(var2 >= 0) VAL [var0=3, var1=0, var2=4] [L38] CALL assume(var2 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L38] RET assume(var2 <= 4) VAL [var0=3, var1=0, var2=4] [L39] int var3; [L40] var3 = __VERIFIER_nondet_int() [L41] CALL assume(var3 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L41] RET assume(var3 >= 0) VAL [var0=3, var1=0, var2=4, var3=2] [L42] CALL assume(var3 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L42] RET assume(var3 <= 4) VAL [var0=3, var1=0, var2=4, var3=2] [L43] int var4; [L44] var4 = __VERIFIER_nondet_int() [L45] CALL assume(var4 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L45] RET assume(var4 >= 0) VAL [var0=3, var1=0, var2=4, var3=2, var4=1] [L46] CALL assume(var4 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L46] RET assume(var4 <= 4) VAL [var0=3, var1=0, var2=4, var3=2, var4=1] [L47] int var5; [L48] var5 = __VERIFIER_nondet_int() [L49] CALL assume(var5 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L49] RET assume(var5 >= 1) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3] [L50] CALL assume(var5 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L50] RET assume(var5 <= 4) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3] [L51] int var6; [L52] var6 = __VERIFIER_nondet_int() [L53] CALL assume(var6 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L53] RET assume(var6 >= 1) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4] [L54] CALL assume(var6 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L54] RET assume(var6 <= 4) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4] [L55] int var7; [L56] var7 = __VERIFIER_nondet_int() [L57] CALL assume(var7 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L57] RET assume(var7 >= 1) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2] [L58] CALL assume(var7 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L58] RET assume(var7 <= 4) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2] [L59] int var8; [L60] var8 = __VERIFIER_nondet_int() [L61] CALL assume(var8 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L61] RET assume(var8 >= 1) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1] [L62] CALL assume(var8 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L62] RET assume(var8 <= 4) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1] [L63] int myvar0 = 1; VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1] [L64] CALL assume(var0 != var1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L64] RET assume(var0 != var1) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1] [L65] CALL assume(var0 != var2) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L65] RET assume(var0 != var2) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1] [L66] CALL assume(var0 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L66] RET assume(var0 != var3) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1] [L67] CALL assume(var0 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L67] RET assume(var0 != var4) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1] [L68] CALL assume(var1 != var2) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L68] RET assume(var1 != var2) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1] [L69] CALL assume(var1 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L69] RET assume(var1 != var3) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1] [L70] CALL assume(var1 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L70] RET assume(var1 != var4) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1] [L71] CALL assume(var2 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L71] RET assume(var2 != var3) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1] [L72] CALL assume(var2 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L72] RET assume(var2 != var4) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1] [L73] CALL assume(var3 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L73] RET assume(var3 != var4) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1] [L74] CALL assume(var5 != var6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L74] RET assume(var5 != var6) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1] [L75] CALL assume(var5 != var7) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L75] RET assume(var5 != var7) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1] [L76] CALL assume(var5 != var8) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L76] RET assume(var5 != var8) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1] [L77] CALL assume(var6 != var7) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L77] RET assume(var6 != var7) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1] [L78] CALL assume(var6 != var8) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L78] RET assume(var6 != var8) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1] [L79] CALL assume(var7 != var8) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L79] RET assume(var7 != var8) VAL [var0=3, var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1] [L80] int var_for_abs; [L81] var_for_abs = var0 - var1 [L82] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1, var_for_abs=3] [L83] CALL assume(var5 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L83] RET assume(var5 == var_for_abs) VAL [var1=0, var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1, var_for_abs=3] [L84] var_for_abs = var1 - var2 [L85] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1, var_for_abs=4] [L86] CALL assume(var6 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L86] RET assume(var6 == var_for_abs) VAL [var2=4, var3=2, var4=1, var5=3, var6=4, var7=2, var8=1, var_for_abs=4] [L87] var_for_abs = var2 - var3 [L88] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [var3=2, var4=1, var5=3, var6=4, var7=2, var8=1, var_for_abs=2] [L89] CALL assume(var7 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L89] RET assume(var7 == var_for_abs) VAL [var3=2, var4=1, var5=3, var6=4, var7=2, var8=1, var_for_abs=2] [L90] var_for_abs = var3 - var4 [L91] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [var5=3, var6=4, var7=2, var8=1, var_for_abs=1] [L92] CALL assume(var8 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L92] RET assume(var8 == var_for_abs) VAL [var5=3, var6=4, var7=2, var8=1, var_for_abs=1] [L93] reach_error() VAL [var5=3, var6=4, var7=2, var8=1, var_for_abs=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 169.58ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 105.2MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.02ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 103.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.91ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 103.0MB in the end (delta: 699.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 282.79ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 87.8MB in the end (delta: 15.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 869.46ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 72.2MB in the end (delta: 15.6MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Witness Printer took 152.93ms. Allocated memory is still 142.6MB. Free memory was 72.2MB in the beginning and 61.4MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 03:48:18,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5c18683-3244-4b9d-bda3-efe8d8f9776d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE