./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-fpi/indp1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344eaba-4784-47e1-96f7-00a7db544198/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344eaba-4784-47e1-96f7-00a7db544198/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_3344eaba-4784-47e1-96f7-00a7db544198/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344eaba-4784-47e1-96f7-00a7db544198/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-fpi/indp1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344eaba-4784-47e1-96f7-00a7db544198/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344eaba-4784-47e1-96f7-00a7db544198/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d155444443faf1f00dab96cdb68719b0ba1edb1979e11b3fea5d29001e4f12f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:51:18,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:51:18,499 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344eaba-4784-47e1-96f7-00a7db544198/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 04:51:18,504 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:51:18,504 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:51:18,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:51:18,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:51:18,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:51:18,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:51:18,526 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:51:18,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:51:18,526 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:51:18,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:51:18,526 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 04:51:18,527 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 04:51:18,527 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 04:51:18,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:51:18,527 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:51:18,527 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:51:18,527 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:51:18,527 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:51:18,527 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:51:18,527 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:51:18,528 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:51:18,528 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:51:18,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:51:18,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:51:18,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:51:18,528 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:51:18,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:51:18,528 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_3344eaba-4784-47e1-96f7-00a7db544198/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 9d155444443faf1f00dab96cdb68719b0ba1edb1979e11b3fea5d29001e4f12f [2024-12-06 04:51:18,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:51:18,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:51:18,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:51:18,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:51:18,793 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:51:18,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344eaba-4784-47e1-96f7-00a7db544198/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-fpi/indp1.c [2024-12-06 04:51:21,502 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344eaba-4784-47e1-96f7-00a7db544198/bin/ukojak-verify-CZk0znPC7b/data/06f5d3bf3/e9bbffb6fd5c4b1e8d0818a8bd8ab327/FLAGb3f898bde [2024-12-06 04:51:21,684 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:51:21,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344eaba-4784-47e1-96f7-00a7db544198/sv-benchmarks/c/array-fpi/indp1.c [2024-12-06 04:51:21,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344eaba-4784-47e1-96f7-00a7db544198/bin/ukojak-verify-CZk0znPC7b/data/06f5d3bf3/e9bbffb6fd5c4b1e8d0818a8bd8ab327/FLAGb3f898bde [2024-12-06 04:51:22,051 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344eaba-4784-47e1-96f7-00a7db544198/bin/ukojak-verify-CZk0znPC7b/data/06f5d3bf3/e9bbffb6fd5c4b1e8d0818a8bd8ab327 [2024-12-06 04:51:22,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:51:22,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:51:22,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:51:22,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:51:22,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:51:22,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:51:22" (1/1) ... [2024-12-06 04:51:22,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bbe313f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:22, skipping insertion in model container [2024-12-06 04:51:22,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:51:22" (1/1) ... [2024-12-06 04:51:22,074 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:51:22,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:51:22,219 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:51:22,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:51:22,250 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:51:22,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:22 WrapperNode [2024-12-06 04:51:22,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:51:22,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:51:22,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:51:22,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:51:22,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:22" (1/1) ... [2024-12-06 04:51:22,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:22" (1/1) ... [2024-12-06 04:51:22,283 INFO L138 Inliner]: procedures = 16, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 79 [2024-12-06 04:51:22,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:51:22,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:51:22,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:51:22,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:51:22,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:22" (1/1) ... [2024-12-06 04:51:22,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:22" (1/1) ... [2024-12-06 04:51:22,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:22" (1/1) ... [2024-12-06 04:51:22,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:22" (1/1) ... [2024-12-06 04:51:22,298 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:22" (1/1) ... [2024-12-06 04:51:22,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:22" (1/1) ... [2024-12-06 04:51:22,303 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:22" (1/1) ... [2024-12-06 04:51:22,304 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:22" (1/1) ... [2024-12-06 04:51:22,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:22" (1/1) ... [2024-12-06 04:51:22,306 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:51:22,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:51:22,307 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:51:22,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:51:22,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:51:22" (1/1) ... [2024-12-06 04:51:22,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:51:22,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344eaba-4784-47e1-96f7-00a7db544198/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:51:22,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344eaba-4784-47e1-96f7-00a7db544198/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:51:22,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344eaba-4784-47e1-96f7-00a7db544198/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:51:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:51:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:51:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:51:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 04:51:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:51:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:51:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 04:51:22,414 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:51:22,416 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:51:22,614 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-12-06 04:51:22,614 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:51:22,669 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:51:22,669 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 04:51:22,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:51:22 BoogieIcfgContainer [2024-12-06 04:51:22,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:51:22,671 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:51:22,671 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:51:22,679 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:51:22,679 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:51:22" (1/1) ... [2024-12-06 04:51:22,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:51:22,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:22,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2024-12-06 04:51:22,727 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2024-12-06 04:51:22,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:51:22,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:22,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:51:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:22,849 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 04:51:22,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:22,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2024-12-06 04:51:22,886 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2024-12-06 04:51:22,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:51:22,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:22,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:51:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:51:23,023 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 04:51:23,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:51:23,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2024-12-06 04:51:23,064 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2024-12-06 04:51:23,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:51:23,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:51:23,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:51:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:51:23,092 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:51:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:51:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:51:23,153 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:51:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:51:23,173 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-12-06 04:51:23,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:51:23 ImpRootNode [2024-12-06 04:51:23,196 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:51:23,196 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:51:23,197 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:51:23,197 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:51:23,197 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:51:22" (3/4) ... [2024-12-06 04:51:23,198 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 04:51:23,235 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-06 04:51:23,280 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344eaba-4784-47e1-96f7-00a7db544198/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:51:23,280 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3344eaba-4784-47e1-96f7-00a7db544198/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:51:23,280 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:51:23,281 INFO L158 Benchmark]: Toolchain (without parser) took 1226.54ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 55.9MB in the end (delta: 60.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 04:51:23,282 INFO L158 Benchmark]: CDTParser took 0.39ms. 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 04:51:23,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 195.76ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 105.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:51:23,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.42ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 104.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:51:23,283 INFO L158 Benchmark]: Boogie Preprocessor took 22.71ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 102.9MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:51:23,283 INFO L158 Benchmark]: RCFGBuilder took 362.75ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 84.4MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:51:23,284 INFO L158 Benchmark]: CodeCheck took 525.13ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 60.0MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 04:51:23,284 INFO L158 Benchmark]: Witness Printer took 84.14ms. Allocated memory is still 142.6MB. Free memory was 60.0MB in the beginning and 55.9MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:51:23,286 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, 31 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 6 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] long long i; [L28] long long *a = malloc(sizeof(int)*N); [L30] i=0 VAL [N=1, a={-1:0}, i=0] [L30] COND TRUE i