./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6aef22-3c62-4d1f-831c-e6d6122cfb65/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6aef22-3c62-4d1f-831c-e6d6122cfb65/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6aef22-3c62-4d1f-831c-e6d6122cfb65/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6aef22-3c62-4d1f-831c-e6d6122cfb65/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-fpi/indp1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6aef22-3c62-4d1f-831c-e6d6122cfb65/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6aef22-3c62-4d1f-831c-e6d6122cfb65/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-09 00:09:27,470 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:09:27,563 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6aef22-3c62-4d1f-831c-e6d6122cfb65/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-09 00:09:27,568 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:09:27,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:09:27,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:09:27,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:09:27,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:09:27,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:09:27,609 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:09:27,610 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:09:27,610 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:09:27,611 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:09:27,611 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 00:09:27,611 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 00:09:27,614 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 00:09:27,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:09:27,615 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:09:27,615 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:09:27,615 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:09:27,615 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:09:27,616 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:09:27,620 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:09:27,620 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:09:27,621 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:09:27,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:09:27,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:09:27,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:09:27,622 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:09:27,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:09:27,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6aef22-3c62-4d1f-831c-e6d6122cfb65/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6aef22-3c62-4d1f-831c-e6d6122cfb65/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d155444443faf1f00dab96cdb68719b0ba1edb1979e11b3fea5d29001e4f12f [2024-11-09 00:09:27,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:09:27,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:09:27,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:09:27,903 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:09:27,904 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:09:27,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6aef22-3c62-4d1f-831c-e6d6122cfb65/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/array-fpi/indp1.c Unable to find full path for "g++" [2024-11-09 00:09:29,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:09:30,109 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:09:30,110 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6aef22-3c62-4d1f-831c-e6d6122cfb65/sv-benchmarks/c/array-fpi/indp1.c [2024-11-09 00:09:30,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6aef22-3c62-4d1f-831c-e6d6122cfb65/bin/ukojak-verify-ImItNfHLgk/data/597bd955f/6711f56dbab94555b5439ac9b834c661/FLAG50293acaa [2024-11-09 00:09:30,138 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6aef22-3c62-4d1f-831c-e6d6122cfb65/bin/ukojak-verify-ImItNfHLgk/data/597bd955f/6711f56dbab94555b5439ac9b834c661 [2024-11-09 00:09:30,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:09:30,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:09:30,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:09:30,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:09:30,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:09:30,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:09:30" (1/1) ... [2024-11-09 00:09:30,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f3a3b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:30, skipping insertion in model container [2024-11-09 00:09:30,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:09:30" (1/1) ... [2024-11-09 00:09:30,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:09:30,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:09:30,381 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:09:30,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:09:30,419 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:09:30,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:30 WrapperNode [2024-11-09 00:09:30,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:09:30,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:09:30,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:09:30,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:09:30,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:30" (1/1) ... [2024-11-09 00:09:30,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:30" (1/1) ... [2024-11-09 00:09:30,459 INFO L138 Inliner]: procedures = 16, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 79 [2024-11-09 00:09:30,460 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:09:30,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:09:30,461 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:09:30,461 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:09:30,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:30" (1/1) ... [2024-11-09 00:09:30,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:30" (1/1) ... [2024-11-09 00:09:30,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:30" (1/1) ... [2024-11-09 00:09:30,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:30" (1/1) ... [2024-11-09 00:09:30,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:30" (1/1) ... [2024-11-09 00:09:30,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:30" (1/1) ... [2024-11-09 00:09:30,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:30" (1/1) ... [2024-11-09 00:09:30,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:30" (1/1) ... [2024-11-09 00:09:30,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:09:30,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:09:30,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:09:30,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:09:30,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:30" (1/1) ... [2024-11-09 00:09:30,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:09:30,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6aef22-3c62-4d1f-831c-e6d6122cfb65/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:09:30,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6aef22-3c62-4d1f-831c-e6d6122cfb65/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:09:30,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6aef22-3c62-4d1f-831c-e6d6122cfb65/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:09:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:09:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:09:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:09:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 00:09:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:09:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:09:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:09:30,631 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:09:30,633 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:09:30,886 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-11-09 00:09:30,887 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:09:30,963 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:09:30,964 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:09:30,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:09:30 BoogieIcfgContainer [2024-11-09 00:09:30,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:09:30,965 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:09:30,966 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:09:30,992 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:09:30,993 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:09:30" (1/1) ... [2024-11-09 00:09:31,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:09:31,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:31,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 48 transitions. [2024-11-09 00:09:31,057 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2024-11-09 00:09:31,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:09:31,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:31,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:09:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:31,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:09:31,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:31,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2024-11-09 00:09:31,265 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2024-11-09 00:09:31,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:09:31,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:31,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:09:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:31,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:09:31,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:31,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 48 transitions. [2024-11-09 00:09:31,483 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2024-11-09 00:09:31,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:09:31,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:31,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:09:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:09:31,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:09:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:09:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:09:31,612 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:09:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:09:31,635 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-09 00:09:31,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:09:31 ImpRootNode [2024-11-09 00:09:31,668 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:09:31,669 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:09:31,670 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:09:31,671 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:09:31,671 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:09:30" (3/4) ... [2024-11-09 00:09:31,672 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 00:09:31,710 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac6aef22-3c62-4d1f-831c-e6d6122cfb65/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:09:31,710 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:09:31,711 INFO L158 Benchmark]: Toolchain (without parser) took 1569.57ms. Allocated memory is still 151.0MB. Free memory was 116.5MB in the beginning and 95.0MB in the end (delta: 21.5MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-11-09 00:09:31,712 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 109.1MB. Free memory is still 57.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:09:31,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.96ms. Allocated memory is still 151.0MB. Free memory was 116.0MB in the beginning and 103.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:09:31,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.58ms. Allocated memory is still 151.0MB. Free memory was 103.4MB in the beginning and 101.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:09:31,713 INFO L158 Benchmark]: Boogie Preprocessor took 29.83ms. Allocated memory is still 151.0MB. Free memory was 101.4MB in the beginning and 100.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:09:31,714 INFO L158 Benchmark]: RCFGBuilder took 473.26ms. Allocated memory is still 151.0MB. Free memory was 100.1MB in the beginning and 81.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:09:31,715 INFO L158 Benchmark]: CodeCheck took 702.59ms. Allocated memory is still 151.0MB. Free memory was 81.2MB in the beginning and 97.1MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:09:31,715 INFO L158 Benchmark]: Witness Printer took 40.85ms. Allocated memory is still 151.0MB. Free memory was 97.1MB in the beginning and 95.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:09:31,718 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, 39 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 9 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 12 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 55 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, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 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 - 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 FALSE !(i