./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/unsignedintegeroverflow-sas23/distance_through_overflow.i --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_88e909df-8f35-45ca-af94-6540ec1d1b86/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e909df-8f35-45ca-af94-6540ec1d1b86/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e909df-8f35-45ca-af94-6540ec1d1b86/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e909df-8f35-45ca-af94-6540ec1d1b86/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/unsignedintegeroverflow-sas23/distance_through_overflow.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e909df-8f35-45ca-af94-6540ec1d1b86/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e909df-8f35-45ca-af94-6540ec1d1b86/bin/ukojak-verify-ENZ3QT5qd3 --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 259bfcd873588814e088898e4981f46590f932aee2da2f55ae10ea092184a0e4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:17:06,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:17:06,651 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e909df-8f35-45ca-af94-6540ec1d1b86/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:17:06,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:17:06,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:17:06,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:17:06,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:17:06,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:17:06,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:17:06,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:17:06,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:17:06,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:17:06,705 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:17:06,705 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:17:06,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:17:06,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:17:06,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:17:06,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:17:06,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:17:06,706 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:17:06,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:17:06,706 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:17:06,706 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:17:06,706 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:17:06,707 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:17:06,707 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:17:06,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:17:06,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:17:06,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:17:06,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:17:06,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:17:06,707 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:17:06,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:17:06,708 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_88e909df-8f35-45ca-af94-6540ec1d1b86/bin/ukojak-verify-ENZ3QT5qd3 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 -> 259bfcd873588814e088898e4981f46590f932aee2da2f55ae10ea092184a0e4 [2024-11-25 03:17:07,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:17:07,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:17:07,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:17:07,102 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:17:07,103 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:17:07,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e909df-8f35-45ca-af94-6540ec1d1b86/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/unsignedintegeroverflow-sas23/distance_through_overflow.i [2024-11-25 03:17:10,582 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e909df-8f35-45ca-af94-6540ec1d1b86/bin/ukojak-verify-ENZ3QT5qd3/data/9358b7b73/9670f575434141b7a3ad196859379743/FLAG9274f6834 [2024-11-25 03:17:10,836 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:17:10,837 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e909df-8f35-45ca-af94-6540ec1d1b86/sv-benchmarks/c/unsignedintegeroverflow-sas23/distance_through_overflow.i [2024-11-25 03:17:10,852 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e909df-8f35-45ca-af94-6540ec1d1b86/bin/ukojak-verify-ENZ3QT5qd3/data/9358b7b73/9670f575434141b7a3ad196859379743/FLAG9274f6834 [2024-11-25 03:17:10,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e909df-8f35-45ca-af94-6540ec1d1b86/bin/ukojak-verify-ENZ3QT5qd3/data/9358b7b73/9670f575434141b7a3ad196859379743 [2024-11-25 03:17:10,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:17:10,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:17:10,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:17:10,874 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:17:10,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:17:10,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:17:10" (1/1) ... [2024-11-25 03:17:10,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e0fdf37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:10, skipping insertion in model container [2024-11-25 03:17:10,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:17:10" (1/1) ... [2024-11-25 03:17:10,902 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:17:11,077 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_88e909df-8f35-45ca-af94-6540ec1d1b86/sv-benchmarks/c/unsignedintegeroverflow-sas23/distance_through_overflow.i[1056,1069] [2024-11-25 03:17:11,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:17:11,102 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:17:11,118 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_88e909df-8f35-45ca-af94-6540ec1d1b86/sv-benchmarks/c/unsignedintegeroverflow-sas23/distance_through_overflow.i[1056,1069] [2024-11-25 03:17:11,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:17:11,141 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:17:11,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:11 WrapperNode [2024-11-25 03:17:11,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:17:11,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:17:11,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:17:11,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:17:11,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:11" (1/1) ... [2024-11-25 03:17:11,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:11" (1/1) ... [2024-11-25 03:17:11,188 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2024-11-25 03:17:11,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:17:11,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:17:11,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:17:11,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:17:11,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:11" (1/1) ... [2024-11-25 03:17:11,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:11" (1/1) ... [2024-11-25 03:17:11,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:11" (1/1) ... [2024-11-25 03:17:11,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:11" (1/1) ... [2024-11-25 03:17:11,211 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:11" (1/1) ... [2024-11-25 03:17:11,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:11" (1/1) ... [2024-11-25 03:17:11,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:11" (1/1) ... [2024-11-25 03:17:11,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:11" (1/1) ... [2024-11-25 03:17:11,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:11" (1/1) ... [2024-11-25 03:17:11,224 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:17:11,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:17:11,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:17:11,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:17:11,229 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:17:11" (1/1) ... [2024-11-25 03:17:11,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:17:11,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e909df-8f35-45ca-af94-6540ec1d1b86/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:17:11,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e909df-8f35-45ca-af94-6540ec1d1b86/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:17:11,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e909df-8f35-45ca-af94-6540ec1d1b86/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:17:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:17:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:17:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:17:11,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:17:11,357 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:17:11,360 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:17:11,485 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 03:17:11,486 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:17:11,568 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:17:11,568 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:17:11,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:17:11 BoogieIcfgContainer [2024-11-25 03:17:11,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:17:11,569 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:17:11,569 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:17:11,584 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:17:11,585 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:17:11" (1/1) ... [2024-11-25 03:17:11,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:17:11,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:17:11,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-25 03:17:11,675 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-25 03:17:11,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 03:17:11,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:17:11,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:17:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:17:12,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:17:12,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:17:12,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-25 03:17:12,081 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-25 03:17:12,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 03:17:12,082 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-25 03:17:12,091 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 03:17:12,104 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 03:17:12,105 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2024-11-25 03:17:12,105 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-11-25 03:17:12,105 INFO L75 FloydHoareUtils]: For program point L19-1(line 19) no Hoare annotation was computed. [2024-11-25 03:17:12,105 INFO L77 FloydHoareUtils]: At program point L19-3(line 19) the Hoare annotation is: true [2024-11-25 03:17:12,105 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 03:17:12,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:17:12 ImpRootNode [2024-11-25 03:17:12,115 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:17:12,115 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:17:12,116 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:17:12,116 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:17:12,117 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:17:11" (3/4) ... [2024-11-25 03:17:12,120 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 03:17:12,128 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-25 03:17:12,128 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-25 03:17:12,128 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 03:17:12,130 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 03:17:12,213 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e909df-8f35-45ca-af94-6540ec1d1b86/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:17:12,213 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e909df-8f35-45ca-af94-6540ec1d1b86/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:17:12,214 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:17:12,215 INFO L158 Benchmark]: Toolchain (without parser) took 1341.96ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 48.3MB in the end (delta: 44.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:17:12,215 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:17:12,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.42ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:17:12,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.83ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:17:12,217 INFO L158 Benchmark]: Boogie Preprocessor took 31.86ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.9MB in the end (delta: 829.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:17:12,217 INFO L158 Benchmark]: RCFGBuilder took 343.60ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 69.3MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:17:12,217 INFO L158 Benchmark]: CodeCheck took 545.52ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 52.7MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:17:12,218 INFO L158 Benchmark]: Witness Printer took 98.26ms. Allocated memory is still 117.4MB. Free memory was 52.5MB in the beginning and 48.3MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:17:12,220 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 1 procedures, 6 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, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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: 19]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.42ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.83ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.86ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.9MB in the end (delta: 829.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 343.60ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 69.3MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 545.52ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 52.7MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 98.26ms. Allocated memory is still 117.4MB. Free memory was 52.5MB in the beginning and 48.3MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 03:17:12,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e909df-8f35-45ca-af94-6540ec1d1b86/bin/ukojak-verify-ENZ3QT5qd3/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