./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/loops/matrix-2.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_56da9515-d48e-4ff1-ac27-6b22c50e84bf/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56da9515-d48e-4ff1-ac27-6b22c50e84bf/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_56da9515-d48e-4ff1-ac27-6b22c50e84bf/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56da9515-d48e-4ff1-ac27-6b22c50e84bf/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/loops/matrix-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56da9515-d48e-4ff1-ac27-6b22c50e84bf/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_56da9515-d48e-4ff1-ac27-6b22c50e84bf/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 1414fc78e8c6ff23892599c2d6eff3c1d8d515ca94035045b938b2c8c402305b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:11:54,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:11:54,213 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56da9515-d48e-4ff1-ac27-6b22c50e84bf/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 05:11:54,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:11:54,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:11:54,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:11:54,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:11:54,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:11:54,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:11:54,239 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:11:54,240 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:11:54,240 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:11:54,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:11:54,240 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 05:11:54,240 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 05:11:54,240 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 05:11:54,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:11:54,240 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:11:54,240 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:11:54,241 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:11:54,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:11:54,241 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:11:54,241 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:11:54,241 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:11:54,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:11:54,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:11:54,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:11:54,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:11:54,242 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:11:54,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:11:54,242 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_56da9515-d48e-4ff1-ac27-6b22c50e84bf/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 -> 1414fc78e8c6ff23892599c2d6eff3c1d8d515ca94035045b938b2c8c402305b [2024-12-06 05:11:54,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:11:54,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:11:54,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:11:54,487 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:11:54,487 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:11:54,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56da9515-d48e-4ff1-ac27-6b22c50e84bf/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loops/matrix-2.c [2024-12-06 05:11:57,303 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56da9515-d48e-4ff1-ac27-6b22c50e84bf/bin/ukojak-verify-CZk0znPC7b/data/34be6b47d/9a0346c0056340c6aef4e981b556e17e/FLAG3c71177b4 [2024-12-06 05:11:57,457 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:11:57,457 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56da9515-d48e-4ff1-ac27-6b22c50e84bf/sv-benchmarks/c/loops/matrix-2.c [2024-12-06 05:11:57,464 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56da9515-d48e-4ff1-ac27-6b22c50e84bf/bin/ukojak-verify-CZk0znPC7b/data/34be6b47d/9a0346c0056340c6aef4e981b556e17e/FLAG3c71177b4 [2024-12-06 05:11:57,478 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56da9515-d48e-4ff1-ac27-6b22c50e84bf/bin/ukojak-verify-CZk0znPC7b/data/34be6b47d/9a0346c0056340c6aef4e981b556e17e [2024-12-06 05:11:57,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:11:57,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:11:57,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:11:57,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:11:57,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:11:57,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:11:57" (1/1) ... [2024-12-06 05:11:57,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14dfd908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:57, skipping insertion in model container [2024-12-06 05:11:57,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:11:57" (1/1) ... [2024-12-06 05:11:57,501 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:11:57,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:11:57,648 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:11:57,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:11:57,674 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:11:57,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:57 WrapperNode [2024-12-06 05:11:57,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:11:57,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:11:57,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:11:57,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:11:57,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:57" (1/1) ... [2024-12-06 05:11:57,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:57" (1/1) ... [2024-12-06 05:11:57,705 INFO L138 Inliner]: procedures = 15, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-12-06 05:11:57,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:11:57,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:11:57,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:11:57,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:11:57,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:57" (1/1) ... [2024-12-06 05:11:57,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:57" (1/1) ... [2024-12-06 05:11:57,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:57" (1/1) ... [2024-12-06 05:11:57,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:57" (1/1) ... [2024-12-06 05:11:57,716 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:57" (1/1) ... [2024-12-06 05:11:57,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:57" (1/1) ... [2024-12-06 05:11:57,720 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:57" (1/1) ... [2024-12-06 05:11:57,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:57" (1/1) ... [2024-12-06 05:11:57,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:57" (1/1) ... [2024-12-06 05:11:57,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:11:57,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:11:57,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:11:57,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:11:57,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:11:57" (1/1) ... [2024-12-06 05:11:57,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:11:57,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56da9515-d48e-4ff1-ac27-6b22c50e84bf/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:11:57,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56da9515-d48e-4ff1-ac27-6b22c50e84bf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:11:57,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56da9515-d48e-4ff1-ac27-6b22c50e84bf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:11:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:11:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:11:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:11:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 05:11:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:11:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:11:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 05:11:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:11:57,842 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:11:57,843 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:11:58,072 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-12-06 05:11:58,072 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:11:58,133 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:11:58,134 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 05:11:58,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:11:58 BoogieIcfgContainer [2024-12-06 05:11:58,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:11:58,135 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:11:58,135 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:11:58,147 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:11:58,147 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:11:58" (1/1) ... [2024-12-06 05:11:58,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:11:58,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:58,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2024-12-06 05:11:58,200 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-12-06 05:11:58,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:11:58,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:58,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:58,444 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 05:11:58,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:58,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2024-12-06 05:11:58,526 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-12-06 05:11:58,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:11:58,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:58,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:11:58,630 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 05:11:58,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:11:58,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2024-12-06 05:11:58,779 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-12-06 05:11:58,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:11:58,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:11:58,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:11:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:11:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:11:58,946 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:11:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:11:59,197 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-12-06 05:11:59,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:11:59 ImpRootNode [2024-12-06 05:11:59,223 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:11:59,223 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:11:59,223 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:11:59,223 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:11:59,224 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:11:58" (3/4) ... [2024-12-06 05:11:59,225 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 05:11:59,257 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 3. [2024-12-06 05:11:59,304 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56da9515-d48e-4ff1-ac27-6b22c50e84bf/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:11:59,305 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56da9515-d48e-4ff1-ac27-6b22c50e84bf/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:11:59,305 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:11:59,306 INFO L158 Benchmark]: Toolchain (without parser) took 1824.72ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 75.6MB in the end (delta: 16.6MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-12-06 05:11:59,306 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:11:59,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.03ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 81.3MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:11:59,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.16ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:11:59,308 INFO L158 Benchmark]: Boogie Preprocessor took 17.79ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.9MB in the end (delta: 783.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:11:59,308 INFO L158 Benchmark]: RCFGBuilder took 410.21ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 60.2MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:11:59,308 INFO L158 Benchmark]: CodeCheck took 1087.80ms. Allocated memory is still 117.4MB. Free memory was 60.2MB in the beginning and 79.8MB in the end (delta: -19.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:11:59,309 INFO L158 Benchmark]: Witness Printer took 81.56ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 75.6MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:11:59,311 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, 26 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 0 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 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: [L16] unsigned int N_LIN=__VERIFIER_nondet_uint(); [L17] unsigned int N_COL=__VERIFIER_nondet_uint(); [L18] unsigned int j,k; [L19] int matriz[N_COL][N_LIN], maior; [L21] maior = __VERIFIER_nondet_int() [L22] j=0 VAL [N_COL=-1073741824, N_LIN=1073740791, j=0, maior=-2147483648, matriz={4:0}] [L22] COND TRUE j