./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig8-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_a9cffd45-1ca7-4712-bbc3-fe1fb56e97f7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cffd45-1ca7-4712-bbc3-fe1fb56e97f7/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_a9cffd45-1ca7-4712-bbc3-fe1fb56e97f7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cffd45-1ca7-4712-bbc3-fe1fb56e97f7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig8-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cffd45-1ca7-4712-bbc3-fe1fb56e97f7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cffd45-1ca7-4712-bbc3-fe1fb56e97f7/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 64bit --witnessprinter.graph.data.programhash 426ef1f4309d9dc2735a49adbb003bde9d9b1a56bbe25c12fae7f655f97fb3a3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:01:10,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:01:10,094 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cffd45-1ca7-4712-bbc3-fe1fb56e97f7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 01:01:10,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:01:10,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:01:10,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:01:10,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:01:10,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:01:10,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:01:10,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:01:10,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:01:10,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:01:10,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:01:10,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:01:10,121 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:01:10,121 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:01:10,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:01:10,122 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:01:10,122 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:01:10,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:01:10,122 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:01:10,122 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:01:10,122 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:01:10,122 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:01:10,122 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:01:10,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:01:10,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:01:10,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:01:10,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:01:10,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:01:10,123 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:01:10,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:01:10,123 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_a9cffd45-1ca7-4712-bbc3-fe1fb56e97f7/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 426ef1f4309d9dc2735a49adbb003bde9d9b1a56bbe25c12fae7f655f97fb3a3 [2024-12-06 01:01:10,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:01:10,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:01:10,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:01:10,387 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:01:10,387 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:01:10,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cffd45-1ca7-4712-bbc3-fe1fb56e97f7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig8-alloca-2.i [2024-12-06 01:01:13,026 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cffd45-1ca7-4712-bbc3-fe1fb56e97f7/bin/ukojak-verify-CZk0znPC7b/data/028b14fc7/9b233c4010e6459f8d17cb84fc989592/FLAG2ff0ae3c9 [2024-12-06 01:01:13,277 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:01:13,277 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cffd45-1ca7-4712-bbc3-fe1fb56e97f7/sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig8-alloca-2.i [2024-12-06 01:01:13,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cffd45-1ca7-4712-bbc3-fe1fb56e97f7/bin/ukojak-verify-CZk0znPC7b/data/028b14fc7/9b233c4010e6459f8d17cb84fc989592/FLAG2ff0ae3c9 [2024-12-06 01:01:13,596 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cffd45-1ca7-4712-bbc3-fe1fb56e97f7/bin/ukojak-verify-CZk0znPC7b/data/028b14fc7/9b233c4010e6459f8d17cb84fc989592 [2024-12-06 01:01:13,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:01:13,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:01:13,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:01:13,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:01:13,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:01:13,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:01:13" (1/1) ... [2024-12-06 01:01:13,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63dcc826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:13, skipping insertion in model container [2024-12-06 01:01:13,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:01:13" (1/1) ... [2024-12-06 01:01:13,626 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:01:13,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:01:13,825 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:01:13,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:01:13,883 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:01:13,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:13 WrapperNode [2024-12-06 01:01:13,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:01:13,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:01:13,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:01:13,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:01:13,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:13" (1/1) ... [2024-12-06 01:01:13,900 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:13" (1/1) ... [2024-12-06 01:01:13,914 INFO L138 Inliner]: procedures = 110, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 89 [2024-12-06 01:01:13,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:01:13,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:01:13,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:01:13,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:01:13,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:13" (1/1) ... [2024-12-06 01:01:13,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:13" (1/1) ... [2024-12-06 01:01:13,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:13" (1/1) ... [2024-12-06 01:01:13,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:13" (1/1) ... [2024-12-06 01:01:13,926 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:13" (1/1) ... [2024-12-06 01:01:13,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:13" (1/1) ... [2024-12-06 01:01:13,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:13" (1/1) ... [2024-12-06 01:01:13,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:13" (1/1) ... [2024-12-06 01:01:13,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:13" (1/1) ... [2024-12-06 01:01:13,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:01:13,934 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:01:13,934 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:01:13,934 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:01:13,935 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:01:13" (1/1) ... [2024-12-06 01:01:13,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:01:13,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cffd45-1ca7-4712-bbc3-fe1fb56e97f7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:01:13,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cffd45-1ca7-4712-bbc3-fe1fb56e97f7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:01:13,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cffd45-1ca7-4712-bbc3-fe1fb56e97f7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:01:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 01:01:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 01:01:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:01:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:01:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:01:13,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:01:14,057 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:01:14,058 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:01:14,207 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-12-06 01:01:14,207 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:01:14,243 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:01:14,244 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:01:14,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:01:14 BoogieIcfgContainer [2024-12-06 01:01:14,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:01:14,245 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:01:14,245 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:01:14,252 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:01:14,252 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:01:14" (1/1) ... [2024-12-06 01:01:14,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:01:14,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:14,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2024-12-06 01:01:14,296 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-12-06 01:01:14,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:01:14,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:14,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:01:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:14,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:01:14,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:14,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2024-12-06 01:01:14,727 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-12-06 01:01:14,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:01:14,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:14,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:01:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:14,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:01:14,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:14,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2024-12-06 01:01:14,884 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2024-12-06 01:01:14,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:01:14,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:14,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:01:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:14,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:01:15,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:15,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2024-12-06 01:01:15,024 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-12-06 01:01:15,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:01:15,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:15,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:01:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:15,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:01:16,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:16,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 42 transitions. [2024-12-06 01:01:16,482 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2024-12-06 01:01:16,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:01:16,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:16,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:01:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:17,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:01:18,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:18,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 57 transitions. [2024-12-06 01:01:18,007 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2024-12-06 01:01:18,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:01:18,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:18,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:01:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:01:18,071 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:01:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:01:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:01:18,178 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:01:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:01:18,219 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-12-06 01:01:18,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:01:18 ImpRootNode [2024-12-06 01:01:18,246 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:01:18,247 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:01:18,247 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:01:18,247 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:01:18,248 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:01:14" (3/4) ... [2024-12-06 01:01:18,249 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:01:18,288 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 3. [2024-12-06 01:01:18,326 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cffd45-1ca7-4712-bbc3-fe1fb56e97f7/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:01:18,326 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cffd45-1ca7-4712-bbc3-fe1fb56e97f7/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:01:18,326 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:01:18,327 INFO L158 Benchmark]: Toolchain (without parser) took 4727.72ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 116.2MB in the beginning and 157.4MB in the end (delta: -41.1MB). Peak memory consumption was 140.6MB. Max. memory is 16.1GB. [2024-12-06 01:01:18,328 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:01:18,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.64ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 99.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:01:18,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.59ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 98.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:01:18,328 INFO L158 Benchmark]: Boogie Preprocessor took 19.02ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 97.4MB in the end (delta: 843.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:01:18,329 INFO L158 Benchmark]: RCFGBuilder took 309.81ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 80.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:01:18,329 INFO L158 Benchmark]: CodeCheck took 4001.82ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 80.5MB in the beginning and 164.4MB in the end (delta: -83.8MB). Peak memory consumption was 98.7MB. Max. memory is 16.1GB. [2024-12-06 01:01:18,329 INFO L158 Benchmark]: Witness Printer took 79.46ms. Allocated memory is still 327.2MB. Free memory was 164.4MB in the beginning and 157.4MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:01:18,331 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, 22 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 260 IncrementalHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 10 mSDtfsCounter, 260 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 263 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 690 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 261 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - CounterExampleResult [Line: 568]: integer overflow possible integer overflow possible We found a FailurePath: [L548] int* u = __builtin_alloca (sizeof(int)); [L549] int* x = __builtin_alloca (sizeof(int)); [L550] int* v = __builtin_alloca (sizeof(int)); [L551] int* y = __builtin_alloca (sizeof(int)); [L552] int* w = __builtin_alloca (sizeof(int)); [L553] int* z = __builtin_alloca (sizeof(int)); [L554] int* c = __builtin_alloca (sizeof(int)); [L555] *x = __VERIFIER_nondet_int() [L556] *y = __VERIFIER_nondet_int() [L557] *z = __VERIFIER_nondet_int() [L558] EXPR \read(*x) [L558] *u = *x [L559] EXPR \read(*y) [L559] *v = *y [L560] EXPR \read(*z) [L560] *w = *z [L561] *c = 0 VAL [c={20122:0}, x={20120:0}, y={20118:0}, z={20124:0}] [L562] EXPR \read(*x) [L562] EXPR \read(*y) VAL [c={20122:0}, x={20120:0}, y={20118:0}, z={20124:0}] [L562] COND TRUE *x >= *y [L563] EXPR \read(*c) VAL [c={20122:0}, x={20120:0}, y={20118:0}, z={20124:0}] [L563] EXPR *c + 1 [L563] *c = *c + 1 [L564] EXPR \read(*z) VAL [c={20122:0}, x={20120:0}, y={20118:0}, z={20124:0}] [L564] COND FALSE !(*z > 1) [L568] EXPR \read(*y) VAL [c={20122:0}, x={20120:0}, y={20118:0}, z={20124:0}] [L568] *y + 1 VAL [c={20122:0}, x={20120:0}, y={20118:0}, z={20124:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.64ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 99.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.59ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 98.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.02ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 97.4MB in the end (delta: 843.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 309.81ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 80.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 4001.82ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 80.5MB in the beginning and 164.4MB in the end (delta: -83.8MB). Peak memory consumption was 98.7MB. Max. memory is 16.1GB. * Witness Printer took 79.46ms. Allocated memory is still 327.2MB. Free memory was 164.4MB in the beginning and 157.4MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 01:01:18,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9cffd45-1ca7-4712-bbc3-fe1fb56e97f7/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)