./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.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_948827ab-3669-4a96-a1cb-ef4267eee063/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948827ab-3669-4a96-a1cb-ef4267eee063/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_948827ab-3669-4a96-a1cb-ef4267eee063/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948827ab-3669-4a96-a1cb-ef4267eee063/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948827ab-3669-4a96-a1cb-ef4267eee063/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_948827ab-3669-4a96-a1cb-ef4267eee063/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 baa0361131df5a78c0a8a4c29ba2893696394b78f626b1aa1f97e06e0771e5c0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:31:48,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:31:48,529 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948827ab-3669-4a96-a1cb-ef4267eee063/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:31:48,533 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:31:48,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:31:48,552 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:31:48,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:31:48,553 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:31:48,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:31:48,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:31:48,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:31:48,553 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:31:48,554 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:31:48,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:31:48,554 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:31:48,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:31:48,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:31:48,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:31:48,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:31:48,555 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:31:48,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:31:48,555 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:31:48,555 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:31:48,555 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:31:48,555 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:31:48,555 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:31:48,555 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:31:48,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:31:48,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:31:48,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:31:48,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:31:48,556 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:31:48,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:31:48,556 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_948827ab-3669-4a96-a1cb-ef4267eee063/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 -> baa0361131df5a78c0a8a4c29ba2893696394b78f626b1aa1f97e06e0771e5c0 [2024-12-05 21:31:48,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:31:48,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:31:48,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:31:48,770 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:31:48,771 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:31:48,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948827ab-3669-4a96-a1cb-ef4267eee063/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2024-12-05 21:31:51,393 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948827ab-3669-4a96-a1cb-ef4267eee063/bin/ukojak-verify-CZk0znPC7b/data/130fdfab1/8487d55b49c44b69b1e18cb9097468cd/FLAGd4be62c6e [2024-12-05 21:31:51,646 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:31:51,647 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948827ab-3669-4a96-a1cb-ef4267eee063/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2024-12-05 21:31:51,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948827ab-3669-4a96-a1cb-ef4267eee063/bin/ukojak-verify-CZk0znPC7b/data/130fdfab1/8487d55b49c44b69b1e18cb9097468cd/FLAGd4be62c6e [2024-12-05 21:31:51,963 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948827ab-3669-4a96-a1cb-ef4267eee063/bin/ukojak-verify-CZk0znPC7b/data/130fdfab1/8487d55b49c44b69b1e18cb9097468cd [2024-12-05 21:31:51,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:31:51,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:31:51,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:31:51,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:31:51,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:31:51,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:31:51" (1/1) ... [2024-12-05 21:31:51,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d88ea04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:51, skipping insertion in model container [2024-12-05 21:31:51,972 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:31:51" (1/1) ... [2024-12-05 21:31:51,990 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:31:52,201 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_948827ab-3669-4a96-a1cb-ef4267eee063/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2024-12-05 21:31:52,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:31:52,214 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:31:52,269 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_948827ab-3669-4a96-a1cb-ef4267eee063/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2024-12-05 21:31:52,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:31:52,285 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:31:52,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:52 WrapperNode [2024-12-05 21:31:52,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:31:52,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:31:52,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:31:52,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:31:52,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:52" (1/1) ... [2024-12-05 21:31:52,305 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:52" (1/1) ... [2024-12-05 21:31:52,332 INFO L138 Inliner]: procedures = 29, calls = 155, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 441 [2024-12-05 21:31:52,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:31:52,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:31:52,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:31:52,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:31:52,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:52" (1/1) ... [2024-12-05 21:31:52,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:52" (1/1) ... [2024-12-05 21:31:52,346 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:52" (1/1) ... [2024-12-05 21:31:52,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:52" (1/1) ... [2024-12-05 21:31:52,360 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:52" (1/1) ... [2024-12-05 21:31:52,362 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:52" (1/1) ... [2024-12-05 21:31:52,366 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:52" (1/1) ... [2024-12-05 21:31:52,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:52" (1/1) ... [2024-12-05 21:31:52,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:52" (1/1) ... [2024-12-05 21:31:52,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:31:52,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:31:52,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:31:52,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:31:52,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:31:52" (1/1) ... [2024-12-05 21:31:52,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:31:52,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948827ab-3669-4a96-a1cb-ef4267eee063/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:31:52,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948827ab-3669-4a96-a1cb-ef4267eee063/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:31:52,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948827ab-3669-4a96-a1cb-ef4267eee063/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:31:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2024-12-05 21:31:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2024-12-05 21:31:52,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 21:31:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:31:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 21:31:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 21:31:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 21:31:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 21:31:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 21:31:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:31:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 21:31:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:31:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:31:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2024-12-05 21:31:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2024-12-05 21:31:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 21:31:52,435 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2024-12-05 21:31:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2024-12-05 21:31:52,547 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:31:52,548 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:31:53,024 INFO L? ?]: Removed 150 outVars from TransFormulas that were not future-live. [2024-12-05 21:31:53,024 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:31:53,171 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:31:53,171 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-12-05 21:31:53,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:31:53 BoogieIcfgContainer [2024-12-05 21:31:53,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:31:53,173 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:31:53,173 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:31:53,180 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:31:53,180 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:31:53" (1/1) ... [2024-12-05 21:31:53,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:31:53,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:31:53,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 61 states and 92 transitions. [2024-12-05 21:31:53,227 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 92 transitions. [2024-12-05 21:31:53,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 21:31:53,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:31:53,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:31:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:31:53,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:31:53,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:31:53,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 59 states and 89 transitions. [2024-12-05 21:31:53,572 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions. [2024-12-05 21:31:53,573 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 21:31:53,574 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-12-05 21:31:53,581 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 21:31:53,637 INFO L77 FloydHoareUtils]: At program point Id_MCDC_113EXIT(lines 305 324) the Hoare annotation is: true [2024-12-05 21:31:53,637 INFO L77 FloydHoareUtils]: At program point L313(lines 313 320) the Hoare annotation is: true [2024-12-05 21:31:53,638 INFO L77 FloydHoareUtils]: At program point L280(lines 280 294) the Hoare annotation is: true [2024-12-05 21:31:53,638 INFO L77 FloydHoareUtils]: At program point L313-2(lines 313 320) the Hoare annotation is: true [2024-12-05 21:31:53,638 INFO L77 FloydHoareUtils]: At program point L309(lines 309 312) the Hoare annotation is: true [2024-12-05 21:31:53,638 INFO L77 FloydHoareUtils]: At program point L297(line 297) the Hoare annotation is: true [2024-12-05 21:31:53,638 INFO L77 FloydHoareUtils]: At program point L487(lines 487 490) the Hoare annotation is: (= |Id_MCDC_113___VERIFIER_assert_~Id_MCDC_121#1| 1) [2024-12-05 21:31:53,638 INFO L75 FloydHoareUtils]: For program point Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION(line 489) no Hoare annotation was computed. [2024-12-05 21:31:53,638 INFO L77 FloydHoareUtils]: At program point L487-2(lines 485 492) the Hoare annotation is: true [2024-12-05 21:31:53,638 INFO L77 FloydHoareUtils]: At program point L322(line 322) the Hoare annotation is: true [2024-12-05 21:31:53,639 INFO L77 FloydHoareUtils]: At program point L322-1(line 322) the Hoare annotation is: true [2024-12-05 21:31:53,639 INFO L77 FloydHoareUtils]: At program point Id_MCDC_113FINAL(lines 305 324) the Hoare annotation is: true [2024-12-05 21:31:53,639 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 305 324) the Hoare annotation is: true [2024-12-05 21:31:53,639 INFO L77 FloydHoareUtils]: At program point L286(lines 286 294) the Hoare annotation is: true [2024-12-05 21:31:53,639 INFO L77 FloydHoareUtils]: At program point L315(line 315) the Hoare annotation is: true [2024-12-05 21:31:53,639 INFO L77 FloydHoareUtils]: At program point L315-1(line 315) the Hoare annotation is: true [2024-12-05 21:31:53,639 INFO L77 FloydHoareUtils]: At program point Id_MCDC_110_returnLabel#1(lines 274 304) the Hoare annotation is: true [2024-12-05 21:31:53,639 INFO L75 FloydHoareUtils]: For program point L489(line 489) no Hoare annotation was computed. [2024-12-05 21:31:53,639 INFO L77 FloydHoareUtils]: At program point L295(lines 295 302) the Hoare annotation is: true [2024-12-05 21:31:53,639 INFO L77 FloydHoareUtils]: At program point L295-2(lines 295 302) the Hoare annotation is: true [2024-12-05 21:31:53,642 INFO L77 FloydHoareUtils]: At program point L333-1(lines 333 340) the Hoare annotation is: true [2024-12-05 21:31:53,642 INFO L77 FloydHoareUtils]: At program point L333-4(lines 333 340) the Hoare annotation is: true [2024-12-05 21:31:53,642 INFO L77 FloydHoareUtils]: At program point L333-5(lines 333 340) the Hoare annotation is: true [2024-12-05 21:31:53,643 INFO L77 FloydHoareUtils]: At program point L383-3(lines 383 421) the Hoare annotation is: true [2024-12-05 21:31:53,643 INFO L77 FloydHoareUtils]: At program point L442(line 442) the Hoare annotation is: true [2024-12-05 21:31:53,643 INFO L77 FloydHoareUtils]: At program point L401-1(lines 401 418) the Hoare annotation is: true [2024-12-05 21:31:53,643 INFO L77 FloydHoareUtils]: At program point L401-3(lines 401 418) the Hoare annotation is: true [2024-12-05 21:31:53,643 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 21:31:53,643 INFO L77 FloydHoareUtils]: At program point L377-3(lines 377 380) the Hoare annotation is: true [2024-12-05 21:31:53,643 INFO L77 FloydHoareUtils]: At program point L377-4(lines 357 424) the Hoare annotation is: true [2024-12-05 21:31:53,643 INFO L77 FloydHoareUtils]: At program point L336(lines 336 339) the Hoare annotation is: true [2024-12-05 21:31:53,643 INFO L77 FloydHoareUtils]: At program point L452(lines 452 484) the Hoare annotation is: true [2024-12-05 21:31:53,643 INFO L77 FloydHoareUtils]: At program point L386(line 386) the Hoare annotation is: true [2024-12-05 21:31:53,643 INFO L77 FloydHoareUtils]: At program point L386-1(lines 386 389) the Hoare annotation is: true [2024-12-05 21:31:53,644 INFO L77 FloydHoareUtils]: At program point L403(lines 403 406) the Hoare annotation is: true [2024-12-05 21:31:53,644 INFO L77 FloydHoareUtils]: At program point L329(lines 329 332) the Hoare annotation is: true [2024-12-05 21:31:53,644 INFO L77 FloydHoareUtils]: At program point L478(lines 478 481) the Hoare annotation is: true [2024-12-05 21:31:53,644 INFO L77 FloydHoareUtils]: At program point L396(line 396) the Hoare annotation is: true [2024-12-05 21:31:53,644 INFO L77 FloydHoareUtils]: At program point L396-1(lines 396 399) the Hoare annotation is: true [2024-12-05 21:31:53,644 INFO L77 FloydHoareUtils]: At program point Id_MCDC_114_returnLabel#1(lines 325 355) the Hoare annotation is: true [2024-12-05 21:31:53,644 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 21:31:53,644 INFO L77 FloydHoareUtils]: At program point Id_MCDC_115_returnLabel#1(lines 356 424) the Hoare annotation is: true [2024-12-05 21:31:53,644 INFO L77 FloydHoareUtils]: At program point L414(lines 414 417) the Hoare annotation is: true [2024-12-05 21:31:53,644 INFO L77 FloydHoareUtils]: At program point L381(lines 381 422) the Hoare annotation is: true [2024-12-05 21:31:53,644 INFO L77 FloydHoareUtils]: At program point L431-3(lines 431 441) the Hoare annotation is: true [2024-12-05 21:31:53,644 INFO L77 FloydHoareUtils]: At program point L431-4(lines 431 441) the Hoare annotation is: true [2024-12-05 21:31:53,645 INFO L77 FloydHoareUtils]: At program point L390(line 390) the Hoare annotation is: true [2024-12-05 21:31:53,645 INFO L77 FloydHoareUtils]: At program point L390-1(lines 390 393) the Hoare annotation is: true [2024-12-05 21:31:53,645 INFO L77 FloydHoareUtils]: At program point avoid_zeroEXIT(lines 9 15) the Hoare annotation is: true [2024-12-05 21:31:53,645 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: true [2024-12-05 21:31:53,645 INFO L77 FloydHoareUtils]: At program point Id_MCDC_107FINAL(lines 218 273) the Hoare annotation is: true [2024-12-05 21:31:53,645 INFO L77 FloydHoareUtils]: At program point L251-1(lines 251 258) the Hoare annotation is: true [2024-12-05 21:31:53,645 INFO L77 FloydHoareUtils]: At program point L251-4(lines 251 258) the Hoare annotation is: true [2024-12-05 21:31:53,645 INFO L77 FloydHoareUtils]: At program point L251-5(lines 251 258) the Hoare annotation is: true [2024-12-05 21:31:53,645 INFO L77 FloydHoareUtils]: At program point L227(lines 227 233) the Hoare annotation is: true [2024-12-05 21:31:53,645 INFO L77 FloydHoareUtils]: At program point L227-2(lines 219 273) the Hoare annotation is: true [2024-12-05 21:31:53,645 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 218 273) the Hoare annotation is: true [2024-12-05 21:31:53,646 INFO L77 FloydHoareUtils]: At program point L229(lines 229 232) the Hoare annotation is: true [2024-12-05 21:31:53,646 INFO L77 FloydHoareUtils]: At program point L254(lines 254 257) the Hoare annotation is: true [2024-12-05 21:31:53,646 INFO L77 FloydHoareUtils]: At program point L223(lines 223 226) the Hoare annotation is: true [2024-12-05 21:31:53,646 INFO L77 FloydHoareUtils]: At program point Id_MCDC_107EXIT(lines 218 273) the Hoare annotation is: true [2024-12-05 21:31:53,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:31:53 ImpRootNode [2024-12-05 21:31:53,660 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:31:53,660 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:31:53,660 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:31:53,660 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:31:53,661 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:31:53" (3/4) ... [2024-12-05 21:31:53,663 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 21:31:53,665 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_113 [2024-12-05 21:31:53,666 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2024-12-05 21:31:53,666 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_107 [2024-12-05 21:31:53,674 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 87 nodes and edges [2024-12-05 21:31:53,675 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-12-05 21:31:53,675 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-12-05 21:31:53,676 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 21:31:53,677 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 21:31:53,677 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 21:31:53,769 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948827ab-3669-4a96-a1cb-ef4267eee063/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:31:53,770 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948827ab-3669-4a96-a1cb-ef4267eee063/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:31:53,770 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:31:53,771 INFO L158 Benchmark]: Toolchain (without parser) took 1804.49ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 104.1MB in the end (delta: 12.2MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2024-12-05 21:31:53,771 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 83.3MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:31:53,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.77ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 98.2MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:31:53,772 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.74ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 95.1MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:31:53,772 INFO L158 Benchmark]: Boogie Preprocessor took 41.97ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 92.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:31:53,772 INFO L158 Benchmark]: RCFGBuilder took 796.71ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 86.2MB in the end (delta: 5.7MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2024-12-05 21:31:53,773 INFO L158 Benchmark]: CodeCheck took 487.01ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 50.2MB in the end (delta: 36.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 21:31:53,773 INFO L158 Benchmark]: Witness Printer took 109.72ms. Allocated memory is still 142.6MB. Free memory was 50.1MB in the beginning and 104.1MB in the end (delta: -54.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-12-05 21:31:53,775 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 4 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 32 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - PositiveResult [Line: 489]: 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: 305]: Procedure Contract for Id_MCDC_113 Derived contract for procedure Id_MCDC_113. Ensures: (((((((((((Id_MCDC_122 == \old(Id_MCDC_122)) && (Id_MCDC_123 == \old(Id_MCDC_123))) && (Id_MCDC_124 == \old(Id_MCDC_124))) && (Id_MCDC_125 == \old(Id_MCDC_125))) && (Id_MCDC_126 == \old(Id_MCDC_126))) && (Id_MCDC_127 == \old(Id_MCDC_127))) && (Id_MCDC_128 == \old(Id_MCDC_128))) && (Id_MCDC_129 == \old(Id_MCDC_129))) && (Id_MCDC_130 == \old(Id_MCDC_130))) && (Id_MCDC_131 == \old(Id_MCDC_131))) && (Id_MCDC_132 == \old(Id_MCDC_132))) - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero. Ensures: (((((((((((Id_MCDC_122 == \old(Id_MCDC_122)) && (Id_MCDC_123 == \old(Id_MCDC_123))) && (Id_MCDC_124 == \old(Id_MCDC_124))) && (Id_MCDC_125 == \old(Id_MCDC_125))) && (Id_MCDC_126 == \old(Id_MCDC_126))) && (Id_MCDC_127 == \old(Id_MCDC_127))) && (Id_MCDC_128 == \old(Id_MCDC_128))) && (Id_MCDC_129 == \old(Id_MCDC_129))) && (Id_MCDC_130 == \old(Id_MCDC_130))) && (Id_MCDC_131 == \old(Id_MCDC_131))) && (Id_MCDC_132 == \old(Id_MCDC_132))) - ProcedureContractResult [Line: 218]: Procedure Contract for Id_MCDC_107 Derived contract for procedure Id_MCDC_107. Ensures: (((((((((((Id_MCDC_122 == \old(Id_MCDC_122)) && (Id_MCDC_123 == \old(Id_MCDC_123))) && (Id_MCDC_124 == \old(Id_MCDC_124))) && (Id_MCDC_125 == \old(Id_MCDC_125))) && (Id_MCDC_126 == \old(Id_MCDC_126))) && (Id_MCDC_127 == \old(Id_MCDC_127))) && (Id_MCDC_128 == \old(Id_MCDC_128))) && (Id_MCDC_129 == \old(Id_MCDC_129))) && (Id_MCDC_130 == \old(Id_MCDC_130))) && (Id_MCDC_131 == \old(Id_MCDC_131))) && (Id_MCDC_132 == \old(Id_MCDC_132))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 83.3MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.77ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 98.2MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.74ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 95.1MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.97ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 92.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 796.71ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 86.2MB in the end (delta: 5.7MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * CodeCheck took 487.01ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 50.2MB in the end (delta: 36.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 109.72ms. Allocated memory is still 142.6MB. Free memory was 50.1MB in the beginning and 104.1MB in the end (delta: -54.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 21:31:53,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_948827ab-3669-4a96-a1cb-ef4267eee063/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 Result: TRUE