./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-regression/volatile_alias.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964f5180-3385-49f0-936d-780cd28ebaa9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964f5180-3385-49f0-936d-780cd28ebaa9/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964f5180-3385-49f0-936d-780cd28ebaa9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964f5180-3385-49f0-936d-780cd28ebaa9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/volatile_alias.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964f5180-3385-49f0-936d-780cd28ebaa9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964f5180-3385-49f0-936d-780cd28ebaa9/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a988b6de948d75b5e0137d9fcbd7a2fd2df2ed717cdabff89a8624df62a9e556 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:34:35,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:34:35,737 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964f5180-3385-49f0-936d-780cd28ebaa9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-05 23:34:35,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:34:35,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:34:35,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:34:35,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:34:35,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:34:35,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:34:35,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:34:35,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:34:35,762 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:34:35,762 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:34:35,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:34:35,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:34:35,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:34:35,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:34:35,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:34:35,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:34:35,763 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:34:35,763 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:34:35,763 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:34:35,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:34:35,763 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:34:35,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:34:35,763 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:34:35,763 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:34:35,763 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:34:35,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:34:35,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:34:35,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:34:35,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:34:35,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:34:35,764 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:34:35,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:34:35,764 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_964f5180-3385-49f0-936d-780cd28ebaa9/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) 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 -> a988b6de948d75b5e0137d9fcbd7a2fd2df2ed717cdabff89a8624df62a9e556 [2024-12-05 23:34:35,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:34:35,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:34:36,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:34:36,001 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:34:36,002 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:34:36,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964f5180-3385-49f0-936d-780cd28ebaa9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-regression/volatile_alias.i [2024-12-05 23:34:38,589 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964f5180-3385-49f0-936d-780cd28ebaa9/bin/ukojak-verify-CZk0znPC7b/data/beab98895/9c8addd54d674e1788f77f2f114f6021/FLAGe62fa5467 [2024-12-05 23:34:38,787 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:34:38,787 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964f5180-3385-49f0-936d-780cd28ebaa9/sv-benchmarks/c/ldv-regression/volatile_alias.i [2024-12-05 23:34:38,793 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964f5180-3385-49f0-936d-780cd28ebaa9/bin/ukojak-verify-CZk0znPC7b/data/beab98895/9c8addd54d674e1788f77f2f114f6021/FLAGe62fa5467 [2024-12-05 23:34:39,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964f5180-3385-49f0-936d-780cd28ebaa9/bin/ukojak-verify-CZk0znPC7b/data/beab98895/9c8addd54d674e1788f77f2f114f6021 [2024-12-05 23:34:39,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:34:39,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:34:39,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:34:39,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:34:39,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:34:39,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:34:39" (1/1) ... [2024-12-05 23:34:39,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a09893f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:39, skipping insertion in model container [2024-12-05 23:34:39,174 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:34:39" (1/1) ... [2024-12-05 23:34:39,182 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:34:39,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:34:39,280 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:34:39,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:34:39,306 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:34:39,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:39 WrapperNode [2024-12-05 23:34:39,307 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:34:39,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:34:39,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:34:39,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:34:39,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:39" (1/1) ... [2024-12-05 23:34:39,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:39" (1/1) ... [2024-12-05 23:34:39,333 INFO L138 Inliner]: procedures = 12, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2024-12-05 23:34:39,334 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:34:39,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:34:39,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:34:39,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:34:39,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:39" (1/1) ... [2024-12-05 23:34:39,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:39" (1/1) ... [2024-12-05 23:34:39,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:39" (1/1) ... [2024-12-05 23:34:39,342 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:39" (1/1) ... [2024-12-05 23:34:39,345 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:39" (1/1) ... [2024-12-05 23:34:39,345 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:39" (1/1) ... [2024-12-05 23:34:39,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:39" (1/1) ... [2024-12-05 23:34:39,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:39" (1/1) ... [2024-12-05 23:34:39,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:39" (1/1) ... [2024-12-05 23:34:39,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:34:39,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:34:39,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:34:39,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:34:39,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:39" (1/1) ... [2024-12-05 23:34:39,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:34:39,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964f5180-3385-49f0-936d-780cd28ebaa9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:34:39,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964f5180-3385-49f0-936d-780cd28ebaa9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:34:39,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964f5180-3385-49f0-936d-780cd28ebaa9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:34:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 23:34:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:34:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:34:39,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:34:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 23:34:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:34:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 23:34:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 23:34:39,445 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:34:39,446 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:34:39,517 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 23:34:39,517 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:34:39,540 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:34:39,541 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:34:39,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:34:39 BoogieIcfgContainer [2024-12-05 23:34:39,541 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:34:39,542 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:34:39,542 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:34:39,551 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:34:39,551 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:34:39" (1/1) ... [2024-12-05 23:34:39,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:34:39,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:34:39,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2024-12-05 23:34:39,596 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2024-12-05 23:34:39,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 23:34:39,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:34:39,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:34:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:34:39,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:34:39,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:34:39,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 5 states and 4 transitions. [2024-12-05 23:34:39,772 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2024-12-05 23:34:39,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:34:39,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:34:39,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:34:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:34:39,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:34:39,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:34:39,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-05 23:34:39,837 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-05 23:34:39,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 23:34:39,838 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-12-05 23:34:39,845 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-12-05 23:34:39,855 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2024-12-05 23:34:39,855 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 23:34:39,855 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2024-12-05 23:34:39,855 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: (= |ULTIMATE.start_main_#t~mem4#1| 4) [2024-12-05 23:34:39,855 INFO L77 FloydHoareUtils]: At program point L13-1(line 13) the Hoare annotation is: (= |ULTIMATE.start_main_#t~mem4#1| 4) [2024-12-05 23:34:39,855 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 23:34:39,860 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~mem4 [2024-12-05 23:34:39,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:34:39 ImpRootNode [2024-12-05 23:34:39,862 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:34:39,863 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:34:39,863 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:34:39,863 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:34:39,863 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:34:39" (3/4) ... [2024-12-05 23:34:39,865 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 23:34:39,870 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-05 23:34:39,870 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-05 23:34:39,870 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 23:34:39,870 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 23:34:39,936 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964f5180-3385-49f0-936d-780cd28ebaa9/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:34:39,936 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964f5180-3385-49f0-936d-780cd28ebaa9/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:34:39,936 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:34:39,937 INFO L158 Benchmark]: Toolchain (without parser) took 768.37ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 73.9MB in the end (delta: 43.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-05 23:34:39,937 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:34:39,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 138.07ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 107.3MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:34:39,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.73ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:34:39,938 INFO L158 Benchmark]: Boogie Preprocessor took 15.24ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.6MB in the end (delta: 613.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:34:39,939 INFO L158 Benchmark]: RCFGBuilder took 191.01ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 94.9MB in the end (delta: 10.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:34:39,939 INFO L158 Benchmark]: CodeCheck took 320.17ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 78.3MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:34:39,939 INFO L158 Benchmark]: Witness Printer took 73.80ms. Allocated memory is still 142.6MB. Free memory was 78.1MB in the beginning and 73.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:34:39,941 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, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 0 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 22 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, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 138.07ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 107.3MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.73ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.24ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.6MB in the end (delta: 613.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 191.01ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 94.9MB in the end (delta: 10.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 320.17ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 78.3MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 73.80ms. Allocated memory is still 142.6MB. Free memory was 78.1MB in the beginning and 73.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~mem4 RESULT: Ultimate proved your program to be correct! [2024-12-05 23:34:39,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964f5180-3385-49f0-936d-780cd28ebaa9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE