./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849236e0-23f9-4905-807c-54b878e269f6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849236e0-23f9-4905-807c-54b878e269f6/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_849236e0-23f9-4905-807c-54b878e269f6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849236e0-23f9-4905-807c-54b878e269f6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849236e0-23f9-4905-807c-54b878e269f6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849236e0-23f9-4905-807c-54b878e269f6/bin/ukojak-verify-EEHR8qb7sm --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 7ecc590057ed2a75208183cfd6234616268fa2b1af2dc90ae740756ef7d3d489 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:58:45,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:58:45,679 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849236e0-23f9-4905-807c-54b878e269f6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 16:58:45,684 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:58:45,684 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:58:45,706 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:58:45,707 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:58:45,707 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:58:45,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:58:45,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:58:45,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:58:45,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:58:45,708 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:58:45,708 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:58:45,708 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:58:45,708 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:58:45,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:58:45,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:58:45,709 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:58:45,709 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:58:45,709 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:58:45,709 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:58:45,709 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:58:45,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:58:45,709 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:58:45,710 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:58:45,710 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:58:45,710 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:58:45,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:58:45,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:58:45,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:58:45,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:58:45,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:58:45,711 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:58:45,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:58:45,711 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_849236e0-23f9-4905-807c-54b878e269f6/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 ! 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 -> 7ecc590057ed2a75208183cfd6234616268fa2b1af2dc90ae740756ef7d3d489 [2024-11-13 16:58:46,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:58:46,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:58:46,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:58:46,032 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:58:46,032 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:58:46,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849236e0-23f9-4905-807c-54b878e269f6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i Unable to find full path for "g++" [2024-11-13 16:58:48,310 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:58:48,698 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:58:48,699 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849236e0-23f9-4905-807c-54b878e269f6/sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i [2024-11-13 16:58:48,719 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849236e0-23f9-4905-807c-54b878e269f6/bin/ukojak-verify-EEHR8qb7sm/data/d3a5bbf9b/a5203408c3534f1b9edb0ab81d2cc8de/FLAGa0c4142d3 [2024-11-13 16:58:48,882 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849236e0-23f9-4905-807c-54b878e269f6/bin/ukojak-verify-EEHR8qb7sm/data/d3a5bbf9b/a5203408c3534f1b9edb0ab81d2cc8de [2024-11-13 16:58:48,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:58:48,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:58:48,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:58:48,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:58:48,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:58:48,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:58:48" (1/1) ... [2024-11-13 16:58:48,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43daa4a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:48, skipping insertion in model container [2024-11-13 16:58:48,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:58:48" (1/1) ... [2024-11-13 16:58:48,955 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:58:49,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:58:49,378 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:58:49,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:58:49,463 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:58:49,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:49 WrapperNode [2024-11-13 16:58:49,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:58:49,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:58:49,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:58:49,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:58:49,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:49" (1/1) ... [2024-11-13 16:58:49,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:49" (1/1) ... [2024-11-13 16:58:49,507 INFO L138 Inliner]: procedures = 116, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2024-11-13 16:58:49,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:58:49,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:58:49,508 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:58:49,508 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:58:49,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:49" (1/1) ... [2024-11-13 16:58:49,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:49" (1/1) ... [2024-11-13 16:58:49,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:49" (1/1) ... [2024-11-13 16:58:49,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:49" (1/1) ... [2024-11-13 16:58:49,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:49" (1/1) ... [2024-11-13 16:58:49,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:49" (1/1) ... [2024-11-13 16:58:49,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:49" (1/1) ... [2024-11-13 16:58:49,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:49" (1/1) ... [2024-11-13 16:58:49,552 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:58:49,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:58:49,557 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:58:49,557 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:58:49,561 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:58:49" (1/1) ... [2024-11-13 16:58:49,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:58:49,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849236e0-23f9-4905-807c-54b878e269f6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:58:49,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849236e0-23f9-4905-807c-54b878e269f6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:58:49,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849236e0-23f9-4905-807c-54b878e269f6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:58:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 16:58:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 16:58:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 16:58:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:58:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:58:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:58:49,765 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:58:49,768 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:58:49,981 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 16:58:49,981 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:58:50,058 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:58:50,059 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 16:58:50,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:58:50 BoogieIcfgContainer [2024-11-13 16:58:50,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:58:50,060 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:58:50,060 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:58:50,072 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:58:50,073 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:58:50" (1/1) ... [2024-11-13 16:58:50,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:58:50,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:50,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-11-13 16:58:50,143 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-11-13 16:58:50,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 16:58:50,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:50,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:50,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:58:50,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:50,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 16:58:50,580 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 16:58:50,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:58:50,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:50,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:50,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:58:50,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:50,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-13 16:58:50,713 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-13 16:58:50,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:58:50,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:50,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:50,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:58:50,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:50,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 16:58:50,970 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 16:58:50,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:58:50,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:50,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:51,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:58:51,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:51,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-13 16:58:51,337 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-13 16:58:51,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:58:51,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:51,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:51,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:58:51,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:51,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-13 16:58:51,779 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-13 16:58:51,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:58:51,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:51,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:58:51,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:58:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:58:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:58:51,890 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:58:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:58:51,927 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-11-13 16:58:51,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:58:51 ImpRootNode [2024-11-13 16:58:51,967 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:58:51,968 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:58:51,968 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:58:51,968 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:58:51,969 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:58:50" (3/4) ... [2024-11-13 16:58:51,969 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 16:58:52,008 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849236e0-23f9-4905-807c-54b878e269f6/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 16:58:52,008 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:58:52,009 INFO L158 Benchmark]: Toolchain (without parser) took 3122.26ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 85.7MB in the end (delta: 32.5MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-11-13 16:58:52,009 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:58:52,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 576.27ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 101.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:58:52,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.68ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 99.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:58:52,011 INFO L158 Benchmark]: Boogie Preprocessor took 47.79ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 98.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:58:52,011 INFO L158 Benchmark]: RCFGBuilder took 503.23ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 83.9MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:58:52,012 INFO L158 Benchmark]: CodeCheck took 1906.92ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 87.6MB in the end (delta: -3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:58:52,012 INFO L158 Benchmark]: Witness Printer took 40.51ms. Allocated memory is still 142.6MB. Free memory was 87.6MB in the beginning and 85.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:58:52,015 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, 16 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 154 IncrementalHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 6 mSDtfsCounter, 154 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 59 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 0/5 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 - CounterExampleResult [Line: 520]: integer overflow possible integer overflow possible We found a FailurePath: [L525] int array_size = __VERIFIER_nondet_int(); [L526] COND TRUE array_size < 1 || array_size >= 2147483647 / sizeof(int) [L527] array_size = 1 [L529] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L531] int i = 0; VAL [array_size=1, i=0, numbers={22786:0}] [L531] COND TRUE i < array_size [L533] numbers[i] = __VERIFIER_nondet_int() [L531] i++ VAL [array_size=1, i=1, numbers={22786:0}] [L531] COND FALSE !(i < array_size) [L535] CALL sumOfThirdBytes(numbers, array_size) [L514] int i, sum; [L515] char* p; [L516] sum = 0 [L517] i = 0 VAL [array_size=1, i=0, numbers={22786:0}, sum=0] [L517] COND TRUE i < array_size [L518] p = &(numbers[i]) [L519] p = p + 2 [L520] EXPR \read(*p) VAL [array_size=1, i=0, numbers={22786:0}, sum=0] [L520] sum + *p VAL [array_size=1, i=0, numbers={22786:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 576.27ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 101.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.68ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 99.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.79ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 98.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 503.23ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 83.9MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1906.92ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 87.6MB in the end (delta: -3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 40.51ms. Allocated memory is still 142.6MB. Free memory was 87.6MB in the beginning and 85.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 16:58:52,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849236e0-23f9-4905-807c-54b878e269f6/bin/ukojak-verify-EEHR8qb7sm/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)