./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7776a10a-ac56-4aa4-93d9-e9a004297d8d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7776a10a-ac56-4aa4-93d9-e9a004297d8d/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7776a10a-ac56-4aa4-93d9-e9a004297d8d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7776a10a-ac56-4aa4-93d9-e9a004297d8d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7776a10a-ac56-4aa4-93d9-e9a004297d8d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7776a10a-ac56-4aa4-93d9-e9a004297d8d/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1391bee0bb5d7f50dd16d284fbfd81fef460a2ec12522be9e9c3c85276cf79aa --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:15:03,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:15:03,997 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7776a10a-ac56-4aa4-93d9-e9a004297d8d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:15:04,005 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:15:04,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:15:04,048 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:15:04,051 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:15:04,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:15:04,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:15:04,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:15:04,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:15:04,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:15:04,054 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:15:04,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:15:04,060 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:15:04,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:15:04,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:15:04,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:15:04,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:15:04,061 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:15:04,062 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:15:04,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:15:04,062 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:15:04,063 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:15:04,063 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:15:04,063 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:15:04,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:15:04,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:15:04,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:15:04,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:15:04,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:15:04,065 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:15:04,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:15:04,076 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7776a10a-ac56-4aa4-93d9-e9a004297d8d/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7776a10a-ac56-4aa4-93d9-e9a004297d8d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1391bee0bb5d7f50dd16d284fbfd81fef460a2ec12522be9e9c3c85276cf79aa [2024-11-08 22:15:04,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:15:04,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:15:04,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:15:04,332 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:15:04,332 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:15:04,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7776a10a-ac56-4aa4-93d9-e9a004297d8d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c Unable to find full path for "g++" [2024-11-08 22:15:06,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:15:06,531 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:15:06,532 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7776a10a-ac56-4aa4-93d9-e9a004297d8d/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2024-11-08 22:15:06,541 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7776a10a-ac56-4aa4-93d9-e9a004297d8d/bin/ukojak-verify-ImItNfHLgk/data/bcf77489c/27cddd684c1341c89ce80e081e1dca6c/FLAG32449b691 [2024-11-08 22:15:06,557 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7776a10a-ac56-4aa4-93d9-e9a004297d8d/bin/ukojak-verify-ImItNfHLgk/data/bcf77489c/27cddd684c1341c89ce80e081e1dca6c [2024-11-08 22:15:06,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:15:06,561 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:15:06,563 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:15:06,563 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:15:06,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:15:06,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:15:06" (1/1) ... [2024-11-08 22:15:06,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff28a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:06, skipping insertion in model container [2024-11-08 22:15:06,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:15:06" (1/1) ... [2024-11-08 22:15:06,618 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:15:06,938 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_7776a10a-ac56-4aa4-93d9-e9a004297d8d/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c[11322,11335] [2024-11-08 22:15:06,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:15:06,952 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:15:07,039 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_7776a10a-ac56-4aa4-93d9-e9a004297d8d/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c[11322,11335] [2024-11-08 22:15:07,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:15:07,060 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:15:07,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:07 WrapperNode [2024-11-08 22:15:07,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:15:07,062 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:15:07,062 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:15:07,062 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:15:07,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:07" (1/1) ... [2024-11-08 22:15:07,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:07" (1/1) ... [2024-11-08 22:15:07,128 INFO L138 Inliner]: procedures = 29, calls = 155, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 440 [2024-11-08 22:15:07,132 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:15:07,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:15:07,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:15:07,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:15:07,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:07" (1/1) ... [2024-11-08 22:15:07,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:07" (1/1) ... [2024-11-08 22:15:07,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:07" (1/1) ... [2024-11-08 22:15:07,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:07" (1/1) ... [2024-11-08 22:15:07,172 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:07" (1/1) ... [2024-11-08 22:15:07,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:07" (1/1) ... [2024-11-08 22:15:07,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:07" (1/1) ... [2024-11-08 22:15:07,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:07" (1/1) ... [2024-11-08 22:15:07,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:15:07,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:15:07,189 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:15:07,189 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:15:07,190 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:07" (1/1) ... [2024-11-08 22:15:07,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:15:07,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7776a10a-ac56-4aa4-93d9-e9a004297d8d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:15:07,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7776a10a-ac56-4aa4-93d9-e9a004297d8d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:15:07,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7776a10a-ac56-4aa4-93d9-e9a004297d8d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:15:07,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 22:15:07,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:15:07,264 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2024-11-08 22:15:07,264 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2024-11-08 22:15:07,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 22:15:07,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:15:07,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:15:07,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:15:07,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 22:15:07,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:15:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2024-11-08 22:15:07,267 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2024-11-08 22:15:07,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:15:07,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:15:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:15:07,268 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2024-11-08 22:15:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2024-11-08 22:15:07,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:15:07,415 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:15:07,417 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:15:08,102 INFO L? ?]: Removed 156 outVars from TransFormulas that were not future-live. [2024-11-08 22:15:08,102 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:15:08,314 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:15:08,315 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:15:08,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:15:08 BoogieIcfgContainer [2024-11-08 22:15:08,316 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:15:08,317 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:15:08,317 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:15:08,328 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:15:08,329 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:15:08" (1/1) ... [2024-11-08 22:15:08,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:15:08,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:08,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 68 states and 104 transitions. [2024-11-08 22:15:08,403 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 104 transitions. [2024-11-08 22:15:08,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:15:08,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:08,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:15:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:08,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:15:08,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:08,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 66 states and 101 transitions. [2024-11-08 22:15:08,978 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 101 transitions. [2024-11-08 22:15:08,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:15:08,979 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-08 22:15:08,989 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 22:15:09,067 INFO L77 FloydHoareUtils]: At program point L226-1(lines 226 233) the Hoare annotation is: true [2024-11-08 22:15:09,067 INFO L77 FloydHoareUtils]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2024-11-08 22:15:09,067 INFO L77 FloydHoareUtils]: At program point L226-4(lines 226 233) the Hoare annotation is: true [2024-11-08 22:15:09,067 INFO L77 FloydHoareUtils]: At program point L202(lines 202 208) the Hoare annotation is: true [2024-11-08 22:15:09,068 INFO L77 FloydHoareUtils]: At program point L202-2(lines 194 248) the Hoare annotation is: true [2024-11-08 22:15:09,068 INFO L77 FloydHoareUtils]: At program point Id_MCDC_89FINAL(lines 193 248) the Hoare annotation is: true [2024-11-08 22:15:09,068 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 193 248) the Hoare annotation is: true [2024-11-08 22:15:09,068 INFO L77 FloydHoareUtils]: At program point L204(lines 204 207) the Hoare annotation is: true [2024-11-08 22:15:09,068 INFO L77 FloydHoareUtils]: At program point L229(lines 229 232) the Hoare annotation is: true [2024-11-08 22:15:09,068 INFO L77 FloydHoareUtils]: At program point Id_MCDC_89EXIT(lines 193 248) the Hoare annotation is: true [2024-11-08 22:15:09,069 INFO L77 FloydHoareUtils]: At program point L198(lines 198 201) the Hoare annotation is: true [2024-11-08 22:15:09,069 INFO L77 FloydHoareUtils]: At program point L461(lines 461 464) the Hoare annotation is: (= |Id_MCDC_95___VERIFIER_assert_~Id_MCDC_103#1| 1) [2024-11-08 22:15:09,069 INFO L77 FloydHoareUtils]: At program point L461-2(lines 459 466) the Hoare annotation is: true [2024-11-08 22:15:09,069 INFO L77 FloydHoareUtils]: At program point L288(lines 288 295) the Hoare annotation is: true [2024-11-08 22:15:09,069 INFO L77 FloydHoareUtils]: At program point L255(lines 255 269) the Hoare annotation is: true [2024-11-08 22:15:09,072 INFO L77 FloydHoareUtils]: At program point L288-2(lines 288 295) the Hoare annotation is: true [2024-11-08 22:15:09,072 INFO L77 FloydHoareUtils]: At program point L284(lines 284 287) the Hoare annotation is: true [2024-11-08 22:15:09,072 INFO L77 FloydHoareUtils]: At program point L272(line 272) the Hoare annotation is: true [2024-11-08 22:15:09,072 INFO L77 FloydHoareUtils]: At program point L272-1(line 272) the Hoare annotation is: true [2024-11-08 22:15:09,072 INFO L77 FloydHoareUtils]: At program point L297(line 297) the Hoare annotation is: true [2024-11-08 22:15:09,073 INFO L77 FloydHoareUtils]: At program point L297-1(line 297) the Hoare annotation is: true [2024-11-08 22:15:09,074 INFO L77 FloydHoareUtils]: At program point Id_MCDC_92_returnLabel#1(lines 249 279) the Hoare annotation is: true [2024-11-08 22:15:09,074 INFO L75 FloydHoareUtils]: For program point L463(line 463) no Hoare annotation was computed. [2024-11-08 22:15:09,074 INFO L77 FloydHoareUtils]: At program point Id_MCDC_95EXIT(lines 280 299) the Hoare annotation is: true [2024-11-08 22:15:09,074 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 280 299) the Hoare annotation is: true [2024-11-08 22:15:09,074 INFO L75 FloydHoareUtils]: For program point Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2024-11-08 22:15:09,074 INFO L77 FloydHoareUtils]: At program point L261(lines 261 269) the Hoare annotation is: true [2024-11-08 22:15:09,075 INFO L77 FloydHoareUtils]: At program point L290(line 290) the Hoare annotation is: true [2024-11-08 22:15:09,075 INFO L77 FloydHoareUtils]: At program point L290-1(line 290) the Hoare annotation is: true [2024-11-08 22:15:09,075 INFO L77 FloydHoareUtils]: At program point L270(lines 270 277) the Hoare annotation is: true [2024-11-08 22:15:09,076 INFO L77 FloydHoareUtils]: At program point L270-2(lines 270 277) the Hoare annotation is: true [2024-11-08 22:15:09,077 INFO L77 FloydHoareUtils]: At program point L270-3(lines 270 277) the Hoare annotation is: true [2024-11-08 22:15:09,077 INFO L77 FloydHoareUtils]: At program point Id_MCDC_95FINAL(lines 280 299) the Hoare annotation is: true [2024-11-08 22:15:09,077 INFO L77 FloydHoareUtils]: At program point L308-1(lines 308 315) the Hoare annotation is: true [2024-11-08 22:15:09,077 INFO L77 FloydHoareUtils]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2024-11-08 22:15:09,078 INFO L77 FloydHoareUtils]: At program point L308-4(lines 308 315) the Hoare annotation is: true [2024-11-08 22:15:09,078 INFO L77 FloydHoareUtils]: At program point L358-1(lines 358 396) the Hoare annotation is: true [2024-11-08 22:15:09,078 INFO L77 FloydHoareUtils]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2024-11-08 22:15:09,079 INFO L77 FloydHoareUtils]: At program point L417(line 417) the Hoare annotation is: true [2024-11-08 22:15:09,079 INFO L77 FloydHoareUtils]: At program point L376-1(lines 376 393) the Hoare annotation is: true [2024-11-08 22:15:09,079 INFO L77 FloydHoareUtils]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2024-11-08 22:15:09,079 INFO L77 FloydHoareUtils]: At program point L376-4(lines 376 393) the Hoare annotation is: true [2024-11-08 22:15:09,079 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:15:09,079 INFO L77 FloydHoareUtils]: At program point Id_MCDC_96_returnLabel#1(lines 300 330) the Hoare annotation is: true [2024-11-08 22:15:09,080 INFO L77 FloydHoareUtils]: At program point L352-1(lines 352 355) the Hoare annotation is: true [2024-11-08 22:15:09,080 INFO L77 FloydHoareUtils]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2024-11-08 22:15:09,080 INFO L77 FloydHoareUtils]: At program point L352-4(lines 332 399) the Hoare annotation is: true [2024-11-08 22:15:09,080 INFO L77 FloydHoareUtils]: At program point L311(lines 311 314) the Hoare annotation is: true [2024-11-08 22:15:09,080 INFO L77 FloydHoareUtils]: At program point L427(lines 427 458) the Hoare annotation is: true [2024-11-08 22:15:09,080 INFO L77 FloydHoareUtils]: At program point L361(line 361) the Hoare annotation is: true [2024-11-08 22:15:09,081 INFO L77 FloydHoareUtils]: At program point L361-1(lines 361 364) the Hoare annotation is: true [2024-11-08 22:15:09,081 INFO L77 FloydHoareUtils]: At program point L452(lines 452 455) the Hoare annotation is: true [2024-11-08 22:15:09,081 INFO L77 FloydHoareUtils]: At program point L378(line 378) the Hoare annotation is: true [2024-11-08 22:15:09,081 INFO L77 FloydHoareUtils]: At program point L378-1(lines 378 381) the Hoare annotation is: true [2024-11-08 22:15:09,081 INFO L77 FloydHoareUtils]: At program point L304(lines 304 307) the Hoare annotation is: true [2024-11-08 22:15:09,083 INFO L77 FloydHoareUtils]: At program point L371(line 371) the Hoare annotation is: true [2024-11-08 22:15:09,083 INFO L77 FloydHoareUtils]: At program point L371-1(lines 371 374) the Hoare annotation is: true [2024-11-08 22:15:09,083 INFO L77 FloydHoareUtils]: At program point Id_MCDC_97_returnLabel#1(lines 331 399) the Hoare annotation is: true [2024-11-08 22:15:09,084 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:15:09,085 INFO L77 FloydHoareUtils]: At program point L389(lines 389 392) the Hoare annotation is: true [2024-11-08 22:15:09,085 INFO L77 FloydHoareUtils]: At program point L356(lines 356 397) the Hoare annotation is: true [2024-11-08 22:15:09,086 INFO L77 FloydHoareUtils]: At program point L406-1(lines 406 416) the Hoare annotation is: true [2024-11-08 22:15:09,086 INFO L77 FloydHoareUtils]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2024-11-08 22:15:09,086 INFO L77 FloydHoareUtils]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2024-11-08 22:15:09,086 INFO L77 FloydHoareUtils]: At program point L365(line 365) the Hoare annotation is: true [2024-11-08 22:15:09,086 INFO L77 FloydHoareUtils]: At program point L365-1(lines 365 368) the Hoare annotation is: true [2024-11-08 22:15:09,086 INFO L77 FloydHoareUtils]: At program point avoid_zeroEXIT(lines 9 15) the Hoare annotation is: true [2024-11-08 22:15:09,087 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: true [2024-11-08 22:15:09,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:15:09 ImpRootNode [2024-11-08 22:15:09,115 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:15:09,116 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:15:09,116 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:15:09,116 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:15:09,117 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:15:08" (3/4) ... [2024-11-08 22:15:09,122 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:15:09,125 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_89 [2024-11-08 22:15:09,126 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2024-11-08 22:15:09,126 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2024-11-08 22:15:09,143 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2024-11-08 22:15:09,144 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-08 22:15:09,145 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-08 22:15:09,149 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 22:15:09,150 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:15:09,151 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:15:09,290 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7776a10a-ac56-4aa4-93d9-e9a004297d8d/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:15:09,290 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7776a10a-ac56-4aa4-93d9-e9a004297d8d/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:15:09,291 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:15:09,292 INFO L158 Benchmark]: Toolchain (without parser) took 2730.68ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 103.9MB in the beginning and 139.1MB in the end (delta: -35.2MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-08 22:15:09,292 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory was 110.4MB in the beginning and 110.3MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:15:09,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 498.32ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 83.6MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 22:15:09,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.93ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 79.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:15:09,293 INFO L158 Benchmark]: Boogie Preprocessor took 54.33ms. Allocated memory is still 142.6MB. Free memory was 79.9MB in the beginning and 76.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:15:09,294 INFO L158 Benchmark]: RCFGBuilder took 1126.84ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 76.6MB in the beginning and 119.3MB in the end (delta: -42.7MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2024-11-08 22:15:09,294 INFO L158 Benchmark]: CodeCheck took 798.17ms. Allocated memory is still 190.8MB. Free memory was 119.3MB in the beginning and 150.6MB in the end (delta: -31.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:15:09,295 INFO L158 Benchmark]: Witness Printer took 175.21ms. Allocated memory is still 190.8MB. Free memory was 150.6MB in the beginning and 139.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:15:09,297 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, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 44 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 161 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, 0.3s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 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 - PositiveResult [Line: 463]: 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: 193]: Procedure Contract for Id_MCDC_89 Derived contract for procedure Id_MCDC_89. Ensures: (((((((((((Id_MCDC_104 == \old(Id_MCDC_104)) && (Id_MCDC_105 == \old(Id_MCDC_105))) && (Id_MCDC_106 == \old(Id_MCDC_106))) && (Id_MCDC_107 == \old(Id_MCDC_107))) && (Id_MCDC_108 == \old(Id_MCDC_108))) && (Id_MCDC_109 == \old(Id_MCDC_109))) && (Id_MCDC_110 == \old(Id_MCDC_110))) && (Id_MCDC_111 == \old(Id_MCDC_111))) && (Id_MCDC_112 == \old(Id_MCDC_112))) && (Id_MCDC_113 == \old(Id_MCDC_113))) && (Id_MCDC_114 == \old(Id_MCDC_114))) - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero. Ensures: (((((((((((Id_MCDC_104 == \old(Id_MCDC_104)) && (Id_MCDC_105 == \old(Id_MCDC_105))) && (Id_MCDC_106 == \old(Id_MCDC_106))) && (Id_MCDC_107 == \old(Id_MCDC_107))) && (Id_MCDC_108 == \old(Id_MCDC_108))) && (Id_MCDC_109 == \old(Id_MCDC_109))) && (Id_MCDC_110 == \old(Id_MCDC_110))) && (Id_MCDC_111 == \old(Id_MCDC_111))) && (Id_MCDC_112 == \old(Id_MCDC_112))) && (Id_MCDC_113 == \old(Id_MCDC_113))) && (Id_MCDC_114 == \old(Id_MCDC_114))) - ProcedureContractResult [Line: 280]: Procedure Contract for Id_MCDC_95 Derived contract for procedure Id_MCDC_95. Ensures: (((((((((((Id_MCDC_104 == \old(Id_MCDC_104)) && (Id_MCDC_105 == \old(Id_MCDC_105))) && (Id_MCDC_106 == \old(Id_MCDC_106))) && (Id_MCDC_107 == \old(Id_MCDC_107))) && (Id_MCDC_108 == \old(Id_MCDC_108))) && (Id_MCDC_109 == \old(Id_MCDC_109))) && (Id_MCDC_110 == \old(Id_MCDC_110))) && (Id_MCDC_111 == \old(Id_MCDC_111))) && (Id_MCDC_112 == \old(Id_MCDC_112))) && (Id_MCDC_113 == \old(Id_MCDC_113))) && (Id_MCDC_114 == \old(Id_MCDC_114))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory was 110.4MB in the beginning and 110.3MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 498.32ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 83.6MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.93ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 79.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.33ms. Allocated memory is still 142.6MB. Free memory was 79.9MB in the beginning and 76.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1126.84ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 76.6MB in the beginning and 119.3MB in the end (delta: -42.7MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. * CodeCheck took 798.17ms. Allocated memory is still 190.8MB. Free memory was 119.3MB in the beginning and 150.6MB in the end (delta: -31.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 175.21ms. Allocated memory is still 190.8MB. Free memory was 150.6MB in the beginning and 139.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 22:15:09,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7776a10a-ac56-4aa4-93d9-e9a004297d8d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE