./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/scopes4-1.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_9dc6b2ca-86ba-4e7c-bed9-2c7d141ed86d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc6b2ca-86ba-4e7c-bed9-2c7d141ed86d/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_9dc6b2ca-86ba-4e7c-bed9-2c7d141ed86d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc6b2ca-86ba-4e7c-bed9-2c7d141ed86d/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/scopes4-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc6b2ca-86ba-4e7c-bed9-2c7d141ed86d/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_9dc6b2ca-86ba-4e7c-bed9-2c7d141ed86d/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 58596999bba5cc256a412be61e4f9e3e6d264c81e8972a76406a7a850d8c4606 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:04:59,850 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:04:59,959 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc6b2ca-86ba-4e7c-bed9-2c7d141ed86d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-09 00:04:59,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:04:59,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:05:00,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:05:00,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:05:00,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:05:00,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:05:00,018 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:05:00,019 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:05:00,019 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:05:00,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:05:00,020 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 00:05:00,021 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 00:05:00,023 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 00:05:00,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:05:00,027 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:05:00,028 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:05:00,028 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:05:00,028 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:05:00,029 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:05:00,029 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:05:00,030 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:05:00,031 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:05:00,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:05:00,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:05:00,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:05:00,032 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:05:00,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:05:00,033 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_9dc6b2ca-86ba-4e7c-bed9-2c7d141ed86d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc6b2ca-86ba-4e7c-bed9-2c7d141ed86d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58596999bba5cc256a412be61e4f9e3e6d264c81e8972a76406a7a850d8c4606 [2024-11-09 00:05:00,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:05:00,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:05:00,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:05:00,393 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:05:00,393 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:05:00,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc6b2ca-86ba-4e7c-bed9-2c7d141ed86d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/memsafety-ext3/scopes4-1.c Unable to find full path for "g++" [2024-11-09 00:05:02,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:05:02,690 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:05:02,691 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc6b2ca-86ba-4e7c-bed9-2c7d141ed86d/sv-benchmarks/c/memsafety-ext3/scopes4-1.c [2024-11-09 00:05:02,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc6b2ca-86ba-4e7c-bed9-2c7d141ed86d/bin/ukojak-verify-ImItNfHLgk/data/9d3ec26b3/ba5a4f71df784b40b0622bc4005c0740/FLAG3c193fe94 [2024-11-09 00:05:03,078 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc6b2ca-86ba-4e7c-bed9-2c7d141ed86d/bin/ukojak-verify-ImItNfHLgk/data/9d3ec26b3/ba5a4f71df784b40b0622bc4005c0740 [2024-11-09 00:05:03,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:05:03,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:05:03,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:05:03,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:05:03,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:05:03,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:05:03" (1/1) ... [2024-11-09 00:05:03,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7996980b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:03, skipping insertion in model container [2024-11-09 00:05:03,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:05:03" (1/1) ... [2024-11-09 00:05:03,118 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:05:03,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:05:03,389 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:05:03,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:05:03,529 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:05:03,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:03 WrapperNode [2024-11-09 00:05:03,529 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:05:03,531 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:05:03,531 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:05:03,531 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:05:03,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:03" (1/1) ... [2024-11-09 00:05:03,593 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:03" (1/1) ... [2024-11-09 00:05:03,728 INFO L138 Inliner]: procedures = 11, calls = 1031, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1047 [2024-11-09 00:05:03,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:05:03,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:05:03,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:05:03,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:05:03,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:03" (1/1) ... [2024-11-09 00:05:03,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:03" (1/1) ... [2024-11-09 00:05:03,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:03" (1/1) ... [2024-11-09 00:05:03,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:03" (1/1) ... [2024-11-09 00:05:03,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:03" (1/1) ... [2024-11-09 00:05:03,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:03" (1/1) ... [2024-11-09 00:05:03,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:03" (1/1) ... [2024-11-09 00:05:03,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:03" (1/1) ... [2024-11-09 00:05:03,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:05:03,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:05:03,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:05:03,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:05:03,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:03" (1/1) ... [2024-11-09 00:05:03,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:05:03,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc6b2ca-86ba-4e7c-bed9-2c7d141ed86d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:05:03,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc6b2ca-86ba-4e7c-bed9-2c7d141ed86d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:05:03,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc6b2ca-86ba-4e7c-bed9-2c7d141ed86d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:05:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:05:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:05:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:05:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:05:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:05:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:05:04,025 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:05:04,029 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:05:05,582 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 00:05:05,583 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:05:05,756 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:05:05,756 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:05:05,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:05:05 BoogieIcfgContainer [2024-11-09 00:05:05,758 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:05:05,759 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:05:05,759 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:05:05,771 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:05:05,771 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:05:05" (1/1) ... [2024-11-09 00:05:05,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:05:05,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:05:05,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2024-11-09 00:05:05,859 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2024-11-09 00:05:05,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-09 00:05:05,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:05:05,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:05:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:06,875 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 00:05:07,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:05:07,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2024-11-09 00:05:07,026 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-11-09 00:05:07,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-09 00:05:07,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:05:07,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:05:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:07,813 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 00:05:08,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:05:08,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2024-11-09 00:05:08,103 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-09 00:05:08,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:05:08,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:05:08,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:05:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:08,526 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 00:05:08,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:05:08,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2024-11-09 00:05:08,591 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2024-11-09 00:05:08,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:05:08,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:05:08,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:05:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:09,357 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 00:05:09,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:05:09,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2024-11-09 00:05:09,845 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2024-11-09 00:05:09,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:05:09,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:05:09,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:05:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:10,104 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 00:05:10,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:05:10,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 5 states and 4 transitions. [2024-11-09 00:05:10,587 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2024-11-09 00:05:10,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:05:10,588 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-09 00:05:10,601 INFO L729 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2024-11-09 00:05:10,637 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-09 00:05:10,637 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:05:10,638 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-09 00:05:10,638 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-09 00:05:10,638 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-09 00:05:10,639 INFO L77 FloydHoareUtils]: At program point L18(line 18) the Hoare annotation is: (and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (= (select |#length| |ULTIMATE.start_main_~a~0#1.base|) 4096) (= (select |#valid| |ULTIMATE.start_main_~a~0#1.base|) 1) (= |ULTIMATE.start_main_~a~0#1.offset| 4)) [2024-11-09 00:05:10,639 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK(lines 16 20) no Hoare annotation was computed. [2024-11-09 00:05:10,639 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:05:10,639 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 16 20) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-11-09 00:05:10,640 INFO L77 FloydHoareUtils]: At program point L6(line 6) the Hoare annotation is: (and (= |~#arr~0.offset| 0) (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (= |~#arr~0.base| 1) (= (select |#valid| |~#arr~0.base|) 1) (= (select |#length| |~#arr~0.base|) 4096)) [2024-11-09 00:05:10,650 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-09 00:05:10,652 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 00:05:10,654 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#arr~0!offset [2024-11-09 00:05:10,656 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-09 00:05:10,656 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 00:05:10,656 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#arr~0!base [2024-11-09 00:05:10,657 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 00:05:10,657 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 00:05:10,657 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 00:05:10,657 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 00:05:10,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:05:10 ImpRootNode [2024-11-09 00:05:10,659 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:05:10,661 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:05:10,663 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:05:10,663 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:05:10,664 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:05:05" (3/4) ... [2024-11-09 00:05:10,667 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:05:10,699 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-09 00:05:10,700 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 00:05:10,702 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:05:10,703 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:05:10,939 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc6b2ca-86ba-4e7c-bed9-2c7d141ed86d/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:05:10,939 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc6b2ca-86ba-4e7c-bed9-2c7d141ed86d/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:05:10,939 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:05:10,940 INFO L158 Benchmark]: Toolchain (without parser) took 7858.21ms. Allocated memory was 163.6MB in the beginning and 260.0MB in the end (delta: 96.5MB). Free memory was 127.2MB in the beginning and 119.3MB in the end (delta: 7.9MB). Peak memory consumption was 105.8MB. Max. memory is 16.1GB. [2024-11-09 00:05:10,941 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:05:10,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.14ms. Allocated memory is still 163.6MB. Free memory was 126.5MB in the beginning and 104.2MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 00:05:10,942 INFO L158 Benchmark]: Boogie Procedure Inliner took 199.67ms. Allocated memory is still 163.6MB. Free memory was 104.2MB in the beginning and 94.3MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:05:10,942 INFO L158 Benchmark]: Boogie Preprocessor took 100.94ms. Allocated memory is still 163.6MB. Free memory was 94.3MB in the beginning and 87.4MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 00:05:10,942 INFO L158 Benchmark]: RCFGBuilder took 1925.02ms. Allocated memory is still 163.6MB. Free memory was 87.4MB in the beginning and 65.0MB in the end (delta: 22.4MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-09 00:05:10,943 INFO L158 Benchmark]: CodeCheck took 4901.29ms. Allocated memory was 163.6MB in the beginning and 260.0MB in the end (delta: 96.5MB). Free memory was 65.0MB in the beginning and 135.0MB in the end (delta: -70.0MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2024-11-09 00:05:10,943 INFO L158 Benchmark]: Witness Printer took 278.65ms. Allocated memory is still 260.0MB. Free memory was 135.0MB in the beginning and 119.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:05:10,945 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, 10 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 0 mSDtfsCounter, 106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - 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: 16]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.14ms. Allocated memory is still 163.6MB. Free memory was 126.5MB in the beginning and 104.2MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 199.67ms. Allocated memory is still 163.6MB. Free memory was 104.2MB in the beginning and 94.3MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.94ms. Allocated memory is still 163.6MB. Free memory was 94.3MB in the beginning and 87.4MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1925.02ms. Allocated memory is still 163.6MB. Free memory was 87.4MB in the beginning and 65.0MB in the end (delta: 22.4MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * CodeCheck took 4901.29ms. Allocated memory was 163.6MB in the beginning and 260.0MB in the end (delta: 96.5MB). Free memory was 65.0MB in the beginning and 135.0MB in the end (delta: -70.0MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Witness Printer took 278.65ms. Allocated memory is still 260.0MB. Free memory was 135.0MB in the beginning and 119.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#arr~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#arr~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] RESULT: Ultimate proved your program to be correct! [2024-11-09 00:05:10,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dc6b2ca-86ba-4e7c-bed9-2c7d141ed86d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE