./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9beb914f-f427-4960-b6c1-b1c70a57d1ce/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9beb914f-f427-4960-b6c1-b1c70a57d1ce/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9beb914f-f427-4960-b6c1-b1c70a57d1ce/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9beb914f-f427-4960-b6c1-b1c70a57d1ce/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9beb914f-f427-4960-b6c1-b1c70a57d1ce/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9beb914f-f427-4960-b6c1-b1c70a57d1ce/bin/ukojak-verify-ENZ3QT5qd3 --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-d790fec [2024-11-25 03:05:29,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:05:29,654 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9beb914f-f427-4960-b6c1-b1c70a57d1ce/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 03:05:29,660 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:05:29,661 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:05:29,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:05:29,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:05:29,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:05:29,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:05:29,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:05:29,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:05:29,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:05:29,691 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:05:29,691 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:05:29,692 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:05:29,692 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:05:29,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:05:29,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:05:29,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:05:29,692 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:05:29,692 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:05:29,692 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:05:29,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:05:29,693 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:05:29,693 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:05:29,693 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:05:29,693 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:05:29,693 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:05:29,693 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:05:29,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:05:29,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:05:29,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:05:29,694 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:05:29,694 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:05:29,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:05:29,694 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_9beb914f-f427-4960-b6c1-b1c70a57d1ce/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 [2024-11-25 03:05:30,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:05:30,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:05:30,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:05:30,101 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:05:30,102 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:05:30,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9beb914f-f427-4960-b6c1-b1c70a57d1ce/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i [2024-11-25 03:05:33,658 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9beb914f-f427-4960-b6c1-b1c70a57d1ce/bin/ukojak-verify-ENZ3QT5qd3/data/06c0e3a05/1230632e5cec4505a84c5fbdcaac952b/FLAG7d8859476 [2024-11-25 03:05:34,038 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:05:34,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9beb914f-f427-4960-b6c1-b1c70a57d1ce/sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i [2024-11-25 03:05:34,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9beb914f-f427-4960-b6c1-b1c70a57d1ce/bin/ukojak-verify-ENZ3QT5qd3/data/06c0e3a05/1230632e5cec4505a84c5fbdcaac952b/FLAG7d8859476 [2024-11-25 03:05:34,095 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9beb914f-f427-4960-b6c1-b1c70a57d1ce/bin/ukojak-verify-ENZ3QT5qd3/data/06c0e3a05/1230632e5cec4505a84c5fbdcaac952b [2024-11-25 03:05:34,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:05:34,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:05:34,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:05:34,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:05:34,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:05:34,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:05:34" (1/1) ... [2024-11-25 03:05:34,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a2dba92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:34, skipping insertion in model container [2024-11-25 03:05:34,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:05:34" (1/1) ... [2024-11-25 03:05:34,171 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:05:34,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:05:34,548 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:05:34,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:05:34,633 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:05:34,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:34 WrapperNode [2024-11-25 03:05:34,634 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:05:34,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:05:34,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:05:34,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:05:34,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:34" (1/1) ... [2024-11-25 03:05:34,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:34" (1/1) ... [2024-11-25 03:05:34,681 INFO L138 Inliner]: procedures = 116, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2024-11-25 03:05:34,682 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:05:34,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:05:34,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:05:34,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:05:34,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:34" (1/1) ... [2024-11-25 03:05:34,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:34" (1/1) ... [2024-11-25 03:05:34,695 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:34" (1/1) ... [2024-11-25 03:05:34,695 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:34" (1/1) ... [2024-11-25 03:05:34,702 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:34" (1/1) ... [2024-11-25 03:05:34,703 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:34" (1/1) ... [2024-11-25 03:05:34,707 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:34" (1/1) ... [2024-11-25 03:05:34,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:34" (1/1) ... [2024-11-25 03:05:34,709 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:34" (1/1) ... [2024-11-25 03:05:34,711 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:05:34,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:05:34,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:05:34,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:05:34,714 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:34" (1/1) ... [2024-11-25 03:05:34,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:05:34,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9beb914f-f427-4960-b6c1-b1c70a57d1ce/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:05:34,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9beb914f-f427-4960-b6c1-b1c70a57d1ce/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:05:34,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9beb914f-f427-4960-b6c1-b1c70a57d1ce/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:05:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 03:05:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 03:05:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:05:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:05:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:05:34,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:05:34,970 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:05:34,972 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:05:35,221 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-25 03:05:35,222 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:05:35,297 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:05:35,297 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:05:35,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:05:35 BoogieIcfgContainer [2024-11-25 03:05:35,298 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:05:35,299 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:05:35,299 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:05:35,313 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:05:35,313 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:05:35" (1/1) ... [2024-11-25 03:05:35,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:05:35,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:35,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-11-25 03:05:35,407 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-11-25 03:05:35,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 03:05:35,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:35,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:35,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:05:35,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:35,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-25 03:05:35,903 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-25 03:05:35,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:05:35,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:35,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:36,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:05:36,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:36,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-25 03:05:36,208 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-25 03:05:36,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:05:36,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:36,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:36,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:05:36,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:36,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-25 03:05:36,315 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-25 03:05:36,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:05:36,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:36,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:36,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:05:36,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:36,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-25 03:05:36,718 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-25 03:05:36,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:05:36,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:36,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:05:36,765 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:05:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:05:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:05:36,853 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:05:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:05:36,886 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-11-25 03:05:36,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:05:36 ImpRootNode [2024-11-25 03:05:36,932 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:05:36,933 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:05:36,933 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:05:36,933 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:05:36,934 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:05:35" (3/4) ... [2024-11-25 03:05:36,935 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:05:36,982 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-11-25 03:05:37,044 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9beb914f-f427-4960-b6c1-b1c70a57d1ce/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:05:37,045 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9beb914f-f427-4960-b6c1-b1c70a57d1ce/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:05:37,045 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:05:37,046 INFO L158 Benchmark]: Toolchain (without parser) took 2944.79ms. Allocated memory is still 109.1MB. Free memory was 82.7MB in the beginning and 42.0MB in the end (delta: 40.7MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2024-11-25 03:05:37,046 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:05:37,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.73ms. Allocated memory is still 109.1MB. Free memory was 82.4MB in the beginning and 65.9MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:05:37,047 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.92ms. Allocated memory is still 109.1MB. Free memory was 65.9MB in the beginning and 64.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:05:37,048 INFO L158 Benchmark]: Boogie Preprocessor took 28.92ms. Allocated memory is still 109.1MB. Free memory was 64.3MB in the beginning and 63.3MB in the end (delta: 992.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:05:37,048 INFO L158 Benchmark]: RCFGBuilder took 585.65ms. Allocated memory is still 109.1MB. Free memory was 63.3MB in the beginning and 49.0MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:05:37,048 INFO L158 Benchmark]: CodeCheck took 1633.33ms. Allocated memory is still 109.1MB. Free memory was 49.0MB in the beginning and 46.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-25 03:05:37,053 INFO L158 Benchmark]: Witness Printer took 111.84ms. Allocated memory is still 109.1MB. Free memory was 46.2MB in the beginning and 42.0MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:05:37,055 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: 1.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 6 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: 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={2062:0}] [L531] COND TRUE i < array_size [L533] numbers[i] = __VERIFIER_nondet_int() [L531] i++ VAL [array_size=1, i=1, numbers={2062:0}] [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={2062:0}, 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={2062:0}, sum=0] [L520] sum + *p VAL [array_size=1, i=0, numbers={2062:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.73ms. Allocated memory is still 109.1MB. Free memory was 82.4MB in the beginning and 65.9MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.92ms. Allocated memory is still 109.1MB. Free memory was 65.9MB in the beginning and 64.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.92ms. Allocated memory is still 109.1MB. Free memory was 64.3MB in the beginning and 63.3MB in the end (delta: 992.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 585.65ms. Allocated memory is still 109.1MB. Free memory was 63.3MB in the beginning and 49.0MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1633.33ms. Allocated memory is still 109.1MB. Free memory was 49.0MB in the beginning and 46.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Witness Printer took 111.84ms. Allocated memory is still 109.1MB. Free memory was 46.2MB in the beginning and 42.0MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:05:37,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9beb914f-f427-4960-b6c1-b1c70a57d1ce/bin/ukojak-verify-ENZ3QT5qd3/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)