./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9102187-a544-43f1-9cac-804a167ad792/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9102187-a544-43f1-9cac-804a167ad792/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9102187-a544-43f1-9cac-804a167ad792/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9102187-a544-43f1-9cac-804a167ad792/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/scopes4-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9102187-a544-43f1-9cac-804a167ad792/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9102187-a544-43f1-9cac-804a167ad792/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 58596999bba5cc256a412be61e4f9e3e6d264c81e8972a76406a7a850d8c4606 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:12:35,788 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:12:35,847 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9102187-a544-43f1-9cac-804a167ad792/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 04:12:35,852 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:12:35,852 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:12:35,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:12:35,873 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:12:35,873 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:12:35,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:12:35,874 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:12:35,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:12:35,874 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:12:35,874 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:12:35,874 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 04:12:35,874 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 04:12:35,874 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 04:12:35,875 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:12:35,875 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:12:35,875 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:12:35,875 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:12:35,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:12:35,875 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:12:35,875 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:12:35,875 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:12:35,875 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:12:35,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:12:35,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:12:35,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:12:35,876 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:12:35,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:12:35,876 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9102187-a544-43f1-9cac-804a167ad792/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58596999bba5cc256a412be61e4f9e3e6d264c81e8972a76406a7a850d8c4606 [2024-12-06 04:12:36,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:12:36,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:12:36,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:12:36,129 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:12:36,129 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:12:36,130 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9102187-a544-43f1-9cac-804a167ad792/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/memsafety-ext3/scopes4-1.c [2024-12-06 04:12:38,823 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9102187-a544-43f1-9cac-804a167ad792/bin/ukojak-verify-CZk0znPC7b/data/cb1953c40/1ddabfeedb534e58939ea855dd9e81fa/FLAG584526052 [2024-12-06 04:12:38,992 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:12:38,992 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9102187-a544-43f1-9cac-804a167ad792/sv-benchmarks/c/memsafety-ext3/scopes4-1.c [2024-12-06 04:12:38,999 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9102187-a544-43f1-9cac-804a167ad792/bin/ukojak-verify-CZk0znPC7b/data/cb1953c40/1ddabfeedb534e58939ea855dd9e81fa/FLAG584526052 [2024-12-06 04:12:39,372 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9102187-a544-43f1-9cac-804a167ad792/bin/ukojak-verify-CZk0znPC7b/data/cb1953c40/1ddabfeedb534e58939ea855dd9e81fa [2024-12-06 04:12:39,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:12:39,374 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:12:39,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:12:39,375 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:12:39,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:12:39,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:12:39" (1/1) ... [2024-12-06 04:12:39,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be5f471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:39, skipping insertion in model container [2024-12-06 04:12:39,380 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:12:39" (1/1) ... [2024-12-06 04:12:39,392 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:12:39,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:12:39,553 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:12:39,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:12:39,629 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:12:39,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:39 WrapperNode [2024-12-06 04:12:39,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:12:39,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:12:39,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:12:39,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:12:39,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:39" (1/1) ... [2024-12-06 04:12:39,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:39" (1/1) ... [2024-12-06 04:12:39,710 INFO L138 Inliner]: procedures = 11, calls = 1031, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1170 [2024-12-06 04:12:39,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:12:39,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:12:39,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:12:39,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:12:39,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:39" (1/1) ... [2024-12-06 04:12:39,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:39" (1/1) ... [2024-12-06 04:12:39,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:39" (1/1) ... [2024-12-06 04:12:39,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:39" (1/1) ... [2024-12-06 04:12:39,760 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:39" (1/1) ... [2024-12-06 04:12:39,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:39" (1/1) ... [2024-12-06 04:12:39,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:39" (1/1) ... [2024-12-06 04:12:39,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:39" (1/1) ... [2024-12-06 04:12:39,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:39" (1/1) ... [2024-12-06 04:12:39,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:12:39,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:12:39,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:12:39,782 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:12:39,783 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:12:39" (1/1) ... [2024-12-06 04:12:39,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:12:39,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9102187-a544-43f1-9cac-804a167ad792/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:12:39,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9102187-a544-43f1-9cac-804a167ad792/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:12:39,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9102187-a544-43f1-9cac-804a167ad792/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:12:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:12:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:12:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:12:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:12:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 04:12:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:12:39,893 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:12:39,894 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:12:41,088 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-06 04:12:41,089 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:12:41,261 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:12:41,261 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 04:12:41,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:12:41 BoogieIcfgContainer [2024-12-06 04:12:41,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:12:41,262 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:12:41,262 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:12:41,270 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:12:41,270 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:12:41" (1/1) ... [2024-12-06 04:12:41,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:12:41,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:12:41,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2024-12-06 04:12:41,317 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2024-12-06 04:12:41,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 04:12:41,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:12:41,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:12:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:12:44,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:12:44,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:12:44,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2024-12-06 04:12:44,488 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-12-06 04:12:44,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 04:12:44,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:12:44,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:12:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:12:47,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:12:47,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:12:47,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2024-12-06 04:12:47,464 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-12-06 04:12:47,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:12:47,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:12:47,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:12:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:12:49,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:12:49,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:12:49,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2024-12-06 04:12:49,814 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2024-12-06 04:12:49,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:12:49,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:12:49,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:12:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:12:52,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:12:53,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:12:53,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2024-12-06 04:12:53,022 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2024-12-06 04:12:53,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:12:53,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:12:53,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:12:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:12:55,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:12:55,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:12:55,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 5 states and 4 transitions. [2024-12-06 04:12:55,577 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2024-12-06 04:12:55,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 04:12:55,578 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-12-06 04:12:55,585 INFO L726 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2024-12-06 04:12:55,603 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:12:55,603 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 04:12:55,603 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:12:55,603 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:12:55,604 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:12:55,604 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)) [2024-12-06 04:12:55,604 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK(lines 16 20) no Hoare annotation was computed. [2024-12-06 04:12:55,604 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 04:12:55,604 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 16 20) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-12-06 04:12:55,604 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)) [2024-12-06 04:12:55,610 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-12-06 04:12:55,611 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-06 04:12:55,612 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#arr~0!offset [2024-12-06 04:12:55,613 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-12-06 04:12:55,614 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-06 04:12:55,614 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#arr~0!base [2024-12-06 04:12:55,614 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-06 04:12:55,614 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-12-06 04:12:55,614 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-06 04:12:55,614 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-06 04:12:55,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:12:55 ImpRootNode [2024-12-06 04:12:55,615 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:12:55,616 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:12:55,616 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:12:55,616 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:12:55,616 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:12:41" (3/4) ... [2024-12-06 04:12:55,618 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 04:12:55,632 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-06 04:12:55,634 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 04:12:55,635 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 04:12:55,636 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 04:12:55,752 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9102187-a544-43f1-9cac-804a167ad792/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:12:55,753 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9102187-a544-43f1-9cac-804a167ad792/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:12:55,753 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:12:55,754 INFO L158 Benchmark]: Toolchain (without parser) took 16378.99ms. Allocated memory was 142.6MB in the beginning and 998.2MB in the end (delta: 855.6MB). Free memory was 118.8MB in the beginning and 799.1MB in the end (delta: -680.4MB). Peak memory consumption was 169.9MB. Max. memory is 16.1GB. [2024-12-06 04:12:55,754 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:12:55,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.29ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 96.7MB in the end (delta: 21.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:12:55,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.03ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 87.0MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:12:55,755 INFO L158 Benchmark]: Boogie Preprocessor took 70.26ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 80.3MB in the end (delta: 6.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:12:55,755 INFO L158 Benchmark]: RCFGBuilder took 1479.69ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 80.3MB in the beginning and 230.5MB in the end (delta: -150.2MB). Peak memory consumption was 101.7MB. Max. memory is 16.1GB. [2024-12-06 04:12:55,755 INFO L158 Benchmark]: CodeCheck took 14353.11ms. Allocated memory was 385.9MB in the beginning and 998.2MB in the end (delta: 612.4MB). Free memory was 230.5MB in the beginning and 815.8MB in the end (delta: -585.3MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2024-12-06 04:12:55,756 INFO L158 Benchmark]: Witness Printer took 137.02ms. Allocated memory is still 998.2MB. Free memory was 815.8MB in the beginning and 799.1MB in the end (delta: 16.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:12:55,757 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: 14.3s, 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, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 3.0s 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, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s 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, ConComCheckerStatistics: 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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.29ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 96.7MB in the end (delta: 21.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.03ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 87.0MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.26ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 80.3MB in the end (delta: 6.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1479.69ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 80.3MB in the beginning and 230.5MB in the end (delta: -150.2MB). Peak memory consumption was 101.7MB. Max. memory is 16.1GB. * CodeCheck took 14353.11ms. Allocated memory was 385.9MB in the beginning and 998.2MB in the end (delta: 612.4MB). Free memory was 230.5MB in the beginning and 815.8MB in the end (delta: -585.3MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * Witness Printer took 137.02ms. Allocated memory is still 998.2MB. Free memory was 815.8MB in the beginning and 799.1MB in the end (delta: 16.6MB). Peak memory consumption was 8.4MB. 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! [2024-12-06 04:12:55,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9102187-a544-43f1-9cac-804a167ad792/bin/ukojak-verify-CZk0znPC7b/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