./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test21-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09bed42-3d0f-4278-90ad-05b619b90760/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09bed42-3d0f-4278-90ad-05b619b90760/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09bed42-3d0f-4278-90ad-05b619b90760/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09bed42-3d0f-4278-90ad-05b619b90760/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test21-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09bed42-3d0f-4278-90ad-05b619b90760/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09bed42-3d0f-4278-90ad-05b619b90760/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05085beafc13f38fbda38ea415197838c6c50810d8ce271072546e893cc1f1e6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:25:55,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:25:55,301 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09bed42-3d0f-4278-90ad-05b619b90760/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:25:55,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:25:55,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:25:55,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:25:55,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:25:55,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:25:55,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:25:55,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:25:55,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:25:55,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:25:55,353 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:25:55,353 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:25:55,353 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:25:55,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:25:55,355 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:25:55,355 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:25:55,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:25:55,355 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:25:55,355 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:25:55,356 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:25:55,356 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:25:55,356 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:25:55,356 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:25:55,356 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:25:55,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:25:55,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:25:55,356 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:25:55,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:25:55,357 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:25:55,357 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:25:55,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:25:55,358 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_a09bed42-3d0f-4278-90ad-05b619b90760/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05085beafc13f38fbda38ea415197838c6c50810d8ce271072546e893cc1f1e6 [2024-11-13 22:25:55,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:25:55,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:25:55,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:25:55,742 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:25:55,743 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:25:55,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09bed42-3d0f-4278-90ad-05b619b90760/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ldv-regression/test21-1.c Unable to find full path for "g++" [2024-11-13 22:25:57,686 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:25:57,955 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:25:57,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09bed42-3d0f-4278-90ad-05b619b90760/sv-benchmarks/c/ldv-regression/test21-1.c [2024-11-13 22:25:57,963 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09bed42-3d0f-4278-90ad-05b619b90760/bin/ukojak-verify-EEHR8qb7sm/data/a76853bc6/07509326c7114ad8931f2b4826c6267e/FLAG013425d24 [2024-11-13 22:25:58,253 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09bed42-3d0f-4278-90ad-05b619b90760/bin/ukojak-verify-EEHR8qb7sm/data/a76853bc6/07509326c7114ad8931f2b4826c6267e [2024-11-13 22:25:58,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:25:58,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:25:58,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:25:58,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:25:58,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:25:58,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:25:58" (1/1) ... [2024-11-13 22:25:58,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7dc842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:58, skipping insertion in model container [2024-11-13 22:25:58,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:25:58" (1/1) ... [2024-11-13 22:25:58,281 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:25:58,439 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_a09bed42-3d0f-4278-90ad-05b619b90760/sv-benchmarks/c/ldv-regression/test21-1.c[892,905] [2024-11-13 22:25:58,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:25:58,454 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:25:58,475 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_a09bed42-3d0f-4278-90ad-05b619b90760/sv-benchmarks/c/ldv-regression/test21-1.c[892,905] [2024-11-13 22:25:58,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:25:58,501 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:25:58,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:58 WrapperNode [2024-11-13 22:25:58,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:25:58,503 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:25:58,503 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:25:58,503 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:25:58,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:58" (1/1) ... [2024-11-13 22:25:58,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:58" (1/1) ... [2024-11-13 22:25:58,543 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-13 22:25:58,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:25:58,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:25:58,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:25:58,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:25:58,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:58" (1/1) ... [2024-11-13 22:25:58,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:58" (1/1) ... [2024-11-13 22:25:58,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:58" (1/1) ... [2024-11-13 22:25:58,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:58" (1/1) ... [2024-11-13 22:25:58,568 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:58" (1/1) ... [2024-11-13 22:25:58,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:58" (1/1) ... [2024-11-13 22:25:58,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:58" (1/1) ... [2024-11-13 22:25:58,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:58" (1/1) ... [2024-11-13 22:25:58,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:25:58,576 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:25:58,576 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:25:58,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:25:58,577 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:58" (1/1) ... [2024-11-13 22:25:58,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:25:58,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09bed42-3d0f-4278-90ad-05b619b90760/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:25:58,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09bed42-3d0f-4278-90ad-05b619b90760/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:25:58,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09bed42-3d0f-4278-90ad-05b619b90760/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:25:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:25:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:25:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:25:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2024-11-13 22:25:58,657 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2024-11-13 22:25:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:25:58,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:25:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:25:58,760 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:25:58,763 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:25:58,914 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 22:25:58,914 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:25:58,961 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:25:58,961 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:25:58,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:25:58 BoogieIcfgContainer [2024-11-13 22:25:58,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:25:58,962 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:25:58,962 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:25:58,973 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:25:58,974 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:25:58" (1/1) ... [2024-11-13 22:25:58,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:25:59,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:59,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-13 22:25:59,049 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 22:25:59,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:25:59,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:59,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:59,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:25:59,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:59,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-13 22:25:59,485 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-13 22:25:59,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:25:59,485 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-13 22:25:59,502 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:25:59,540 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 22 25) the Hoare annotation is: true [2024-11-13 22:25:59,541 INFO L77 FloydHoareUtils]: At program point get_dummyEXIT(lines 22 25) the Hoare annotation is: true [2024-11-13 22:25:59,541 INFO L77 FloydHoareUtils]: At program point L35-2(line 35) the Hoare annotation is: true [2024-11-13 22:25:59,541 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:25:59,541 INFO L77 FloydHoareUtils]: At program point L35-3(line 35) the Hoare annotation is: true [2024-11-13 22:25:59,541 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:25:59,542 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 32 46) the Hoare annotation is: true [2024-11-13 22:25:59,542 INFO L77 FloydHoareUtils]: At program point L36(lines 36 40) the Hoare annotation is: true [2024-11-13 22:25:59,542 INFO L77 FloydHoareUtils]: At program point L36-2(lines 36 40) the Hoare annotation is: true [2024-11-13 22:25:59,542 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2024-11-13 22:25:59,542 INFO L75 FloydHoareUtils]: For program point main_ERROR#1(line 44) no Hoare annotation was computed. [2024-11-13 22:25:59,542 INFO L77 FloydHoareUtils]: At program point L37(lines 37 39) the Hoare annotation is: (<= 1 |ULTIMATE.start_main_#t~ret13#1|) [2024-11-13 22:25:59,543 INFO L77 FloydHoareUtils]: At program point L35(line 35) the Hoare annotation is: true [2024-11-13 22:25:59,543 INFO L77 FloydHoareUtils]: At program point L35-1(line 35) the Hoare annotation is: true [2024-11-13 22:25:59,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:25:59 ImpRootNode [2024-11-13 22:25:59,563 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:25:59,564 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:25:59,564 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:25:59,564 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:25:59,565 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:25:58" (3/4) ... [2024-11-13 22:25:59,567 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:25:59,571 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dummy [2024-11-13 22:25:59,580 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 22:25:59,581 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 22:25:59,581 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:25:59,581 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:25:59,676 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09bed42-3d0f-4278-90ad-05b619b90760/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:25:59,676 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09bed42-3d0f-4278-90ad-05b619b90760/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:25:59,676 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:25:59,677 INFO L158 Benchmark]: Toolchain (without parser) took 1420.18ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 39.3MB in the end (delta: 53.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 22:25:59,678 INFO L158 Benchmark]: CDTParser took 1.14ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:25:59,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.87ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.9MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:25:59,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.81ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:25:59,679 INFO L158 Benchmark]: Boogie Preprocessor took 31.20ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.8MB in the end (delta: 813.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:25:59,679 INFO L158 Benchmark]: RCFGBuilder took 385.46ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 66.6MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:25:59,680 INFO L158 Benchmark]: CodeCheck took 601.03ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 43.8MB in the end (delta: 22.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:25:59,680 INFO L158 Benchmark]: Witness Printer took 112.61ms. Allocated memory is still 117.4MB. Free memory was 43.8MB in the beginning and 39.3MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:25:59,684 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 8 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, 8 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 62 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, 0.2s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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: 44]: 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: 22]: Procedure Contract for get_dummy Derived contract for procedure get_dummy. Ensures: ((d1 == \old(d1)) && (d2 == \old(d2))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.87ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.9MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.81ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.20ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.8MB in the end (delta: 813.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 385.46ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 66.6MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 601.03ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 43.8MB in the end (delta: 22.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 112.61ms. Allocated memory is still 117.4MB. Free memory was 43.8MB in the beginning and 39.3MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:25:59,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09bed42-3d0f-4278-90ad-05b619b90760/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE