./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/getNumbers3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_9e6ebe70-edc2-49d9-89a9-d09414a17920/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e6ebe70-edc2-49d9-89a9-d09414a17920/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e6ebe70-edc2-49d9-89a9-d09414a17920/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e6ebe70-edc2-49d9-89a9-d09414a17920/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/getNumbers3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e6ebe70-edc2-49d9-89a9-d09414a17920/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e6ebe70-edc2-49d9-89a9-d09414a17920/bin/ukojak-verify-afCqCEvfdi --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 c522d46e2ef8c6f97d600bd7187aa9b442df29a1c9828e86387b1c78c18556ba --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:58,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:58,798 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e6ebe70-edc2-49d9-89a9-d09414a17920/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:03:58,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:03:58,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:03:58,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:58,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:58,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:58,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:58,854 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:03:58,854 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:03:58,855 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:03:58,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:58,857 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:03:58,858 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:03:58,858 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:03:58,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:58,859 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:03:58,860 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:03:58,860 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:58,861 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:58,862 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:58,862 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:58,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:58,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:58,864 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:58,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:58,865 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:03:58,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:03:58,866 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_9e6ebe70-edc2-49d9-89a9-d09414a17920/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e6ebe70-edc2-49d9-89a9-d09414a17920/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c522d46e2ef8c6f97d600bd7187aa9b442df29a1c9828e86387b1c78c18556ba [2023-11-24 23:03:59,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:59,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:59,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:59,201 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:59,202 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:59,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e6ebe70-edc2-49d9-89a9-d09414a17920/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/memsafety-ext3/getNumbers3.c [2023-11-24 23:04:02,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:02,642 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:02,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e6ebe70-edc2-49d9-89a9-d09414a17920/sv-benchmarks/c/memsafety-ext3/getNumbers3.c [2023-11-24 23:04:02,650 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e6ebe70-edc2-49d9-89a9-d09414a17920/bin/ukojak-verify-afCqCEvfdi/data/c04b143d1/f697877c511f423cb1496ceece173056/FLAG397d819b0 [2023-11-24 23:04:02,672 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e6ebe70-edc2-49d9-89a9-d09414a17920/bin/ukojak-verify-afCqCEvfdi/data/c04b143d1/f697877c511f423cb1496ceece173056 [2023-11-24 23:04:02,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:02,676 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:02,678 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:02,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:02,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:02,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:02" (1/1) ... [2023-11-24 23:04:02,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2368d6a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:02, skipping insertion in model container [2023-11-24 23:04:02,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:02" (1/1) ... [2023-11-24 23:04:02,712 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:02,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:02,906 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:02,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:02,935 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:02,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:02 WrapperNode [2023-11-24 23:04:02,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:02,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:02,938 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:02,938 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:02,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:02" (1/1) ... [2023-11-24 23:04:02,953 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:02" (1/1) ... [2023-11-24 23:04:02,971 INFO L138 Inliner]: procedures = 8, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2023-11-24 23:04:02,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:02,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:02,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:02,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:02,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:02" (1/1) ... [2023-11-24 23:04:02,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:02" (1/1) ... [2023-11-24 23:04:02,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:02" (1/1) ... [2023-11-24 23:04:02,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:02" (1/1) ... [2023-11-24 23:04:02,990 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:02" (1/1) ... [2023-11-24 23:04:02,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:02" (1/1) ... [2023-11-24 23:04:02,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:02" (1/1) ... [2023-11-24 23:04:02,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:02" (1/1) ... [2023-11-24 23:04:02,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:02,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:02,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:02,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:02,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:02" (1/1) ... [2023-11-24 23:04:03,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:03,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e6ebe70-edc2-49d9-89a9-d09414a17920/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:03,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e6ebe70-edc2-49d9-89a9-d09414a17920/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:03,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e6ebe70-edc2-49d9-89a9-d09414a17920/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:04:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:03,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:03,160 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:03,162 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:03,297 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:03,339 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:03,339 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:04:03,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:03 BoogieIcfgContainer [2023-11-24 23:04:03,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:03,342 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:03,342 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:03,354 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:03,354 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:03" (1/1) ... [2023-11-24 23:04:03,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:03,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:03,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-24 23:04:03,414 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-24 23:04:03,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:04:03,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:03,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:03,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:03,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:03,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2023-11-24 23:04:03,761 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-11-24 23:04:03,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:04:03,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:03,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:03,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:04,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:04,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-24 23:04:04,012 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-24 23:04:04,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:04:04,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:04,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:04,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:04,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:04,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-24 23:04:04,408 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-24 23:04:04,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:04:04,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:04,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:04,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:04,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:04,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-24 23:04:04,555 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-24 23:04:04,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:04:04,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:04,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:04,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:04,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:04,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2023-11-24 23:04:04,783 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2023-11-24 23:04:04,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:04:04,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:04,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:04,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:05,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:05,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2023-11-24 23:04:05,452 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2023-11-24 23:04:05,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:04:05,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:05,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:05,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:05,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:05,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2023-11-24 23:04:05,722 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2023-11-24 23:04:05,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:04:05,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:05,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:05,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:04:06,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:06,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2023-11-24 23:04:06,017 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2023-11-24 23:04:06,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:04:06,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:06,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:06,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:04:06,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:06,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2023-11-24 23:04:06,999 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2023-11-24 23:04:07,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:04:07,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:07,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:07,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:04:07,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:07,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-11-24 23:04:07,360 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-11-24 23:04:07,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:04:07,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:07,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:07,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:04:08,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:08,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-24 23:04:08,635 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-24 23:04:08,635 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:04:08,635 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2023-11-24 23:04:08,644 INFO L751 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2023-11-24 23:04:08,745 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-24 23:04:08,750 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2023-11-24 23:04:08,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-24 23:04:08,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#array~0!base] could not be translated [2023-11-24 23:04:08,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~#array~0!base] could not be translated [2023-11-24 23:04:08,758 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#array~0!base] could not be translated [2023-11-24 23:04:08,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:04:08 ImpRootNode [2023-11-24 23:04:08,759 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:04:08,759 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:04:08,760 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:04:08,760 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:04:08,760 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:03" (3/4) ... [2023-11-24 23:04:08,762 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:04:08,770 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-24 23:04:08,770 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-24 23:04:08,770 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:04:08,770 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:04:08,857 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e6ebe70-edc2-49d9-89a9-d09414a17920/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:04:08,858 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e6ebe70-edc2-49d9-89a9-d09414a17920/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:04:08,858 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:04:08,859 INFO L158 Benchmark]: Toolchain (without parser) took 6182.62ms. Allocated memory was 161.5MB in the beginning and 216.0MB in the end (delta: 54.5MB). Free memory was 122.0MB in the beginning and 105.4MB in the end (delta: 16.6MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2023-11-24 23:04:08,859 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 161.5MB. Free memory was 107.0MB in the beginning and 106.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:08,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.19ms. Allocated memory is still 161.5MB. Free memory was 122.0MB in the beginning and 111.5MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:04:08,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.52ms. Allocated memory is still 161.5MB. Free memory was 111.5MB in the beginning and 110.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:08,861 INFO L158 Benchmark]: Boogie Preprocessor took 24.28ms. Allocated memory is still 161.5MB. Free memory was 110.0MB in the beginning and 109.4MB in the end (delta: 611.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:08,861 INFO L158 Benchmark]: RCFGBuilder took 343.41ms. Allocated memory is still 161.5MB. Free memory was 108.8MB in the beginning and 98.1MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:04:08,862 INFO L158 Benchmark]: CodeCheck took 5416.70ms. Allocated memory was 161.5MB in the beginning and 216.0MB in the end (delta: 54.5MB). Free memory was 97.5MB in the beginning and 109.6MB in the end (delta: -12.2MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2023-11-24 23:04:08,863 INFO L158 Benchmark]: Witness Printer took 98.63ms. Allocated memory is still 216.0MB. Free memory was 109.6MB in the beginning and 105.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:04:08,865 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, 11 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 231 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 179 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 261 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 913 IncrementalHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 261 mSolverCounterUnsat, 22 mSDtfsCounter, 913 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 521 GetRequests, 414 SyntacticMatches, 11 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3598 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 355 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 18/23 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 - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: ((i == 0) || (1 <= i)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 161.5MB. Free memory was 107.0MB in the beginning and 106.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.19ms. Allocated memory is still 161.5MB. Free memory was 122.0MB in the beginning and 111.5MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.52ms. Allocated memory is still 161.5MB. Free memory was 111.5MB in the beginning and 110.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.28ms. Allocated memory is still 161.5MB. Free memory was 110.0MB in the beginning and 109.4MB in the end (delta: 611.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 343.41ms. Allocated memory is still 161.5MB. Free memory was 108.8MB in the beginning and 98.1MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 5416.70ms. Allocated memory was 161.5MB in the beginning and 216.0MB in the end (delta: 54.5MB). Free memory was 97.5MB in the beginning and 109.6MB in the end (delta: -12.2MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Witness Printer took 98.63ms. Allocated memory is still 216.0MB. Free memory was 109.6MB in the beginning and 105.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~#array~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~#array~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~#array~0!base] could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-24 23:04:08,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e6ebe70-edc2-49d9-89a9-d09414a17920/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE