./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/cstrchr_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_1c4c91e1-4764-40dd-ae41-bd1cbfcf8c90/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c91e1-4764-40dd-ae41-bd1cbfcf8c90/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_1c4c91e1-4764-40dd-ae41-bd1cbfcf8c90/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c91e1-4764-40dd-ae41-bd1cbfcf8c90/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrchr_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c91e1-4764-40dd-ae41-bd1cbfcf8c90/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c91e1-4764-40dd-ae41-bd1cbfcf8c90/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 64bit --witnessprinter.graph.data.programhash c2261b8075e5a5018e09c71b2ef98f1a55d20ac7ba7a361137d9c5ebaba61150 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:19:14,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:19:14,844 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c91e1-4764-40dd-ae41-bd1cbfcf8c90/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-12-06 03:19:14,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:19:14,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:19:14,871 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:19:14,872 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:19:14,872 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:19:14,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:19:14,873 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:19:14,873 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:19:14,873 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 03:19:14,873 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 03:19:14,873 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 03:19:14,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:19:14,873 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:19:14,874 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:19:14,874 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:19:14,874 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:19:14,874 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:19:14,874 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:19:14,874 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:19:14,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:19:14,875 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:19:14,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:19:14,875 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:19:14,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:19:14,875 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_1c4c91e1-4764-40dd-ae41-bd1cbfcf8c90/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2261b8075e5a5018e09c71b2ef98f1a55d20ac7ba7a361137d9c5ebaba61150 [2024-12-06 03:19:15,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:19:15,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:19:15,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:19:15,120 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:19:15,120 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:19:15,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c91e1-4764-40dd-ae41-bd1cbfcf8c90/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-15/cstrchr_reverse_alloca.i [2024-12-06 03:19:17,783 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c91e1-4764-40dd-ae41-bd1cbfcf8c90/bin/ukojak-verify-CZk0znPC7b/data/6f6cd914c/f3c0bf0fbd9c463d8f4d9200b8784893/FLAG5826fb674 [2024-12-06 03:19:18,050 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:19:18,051 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c91e1-4764-40dd-ae41-bd1cbfcf8c90/sv-benchmarks/c/termination-15/cstrchr_reverse_alloca.i [2024-12-06 03:19:18,062 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c91e1-4764-40dd-ae41-bd1cbfcf8c90/bin/ukojak-verify-CZk0znPC7b/data/6f6cd914c/f3c0bf0fbd9c463d8f4d9200b8784893/FLAG5826fb674 [2024-12-06 03:19:18,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c91e1-4764-40dd-ae41-bd1cbfcf8c90/bin/ukojak-verify-CZk0znPC7b/data/6f6cd914c/f3c0bf0fbd9c463d8f4d9200b8784893 [2024-12-06 03:19:18,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:19:18,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:19:18,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:19:18,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:19:18,091 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:19:18,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:19:18" (1/1) ... [2024-12-06 03:19:18,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@91c35e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:19:18, skipping insertion in model container [2024-12-06 03:19:18,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:19:18" (1/1) ... [2024-12-06 03:19:18,119 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:19:18,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:19:18,402 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:19:18,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:19:18,482 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:19:18,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:19:18 WrapperNode [2024-12-06 03:19:18,483 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:19:18,484 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:19:18,484 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:19:18,484 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:19:18,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:19:18" (1/1) ... [2024-12-06 03:19:18,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:19:18" (1/1) ... [2024-12-06 03:19:18,521 INFO L138 Inliner]: procedures = 152, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2024-12-06 03:19:18,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:19:18,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:19:18,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:19:18,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:19:18,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:19:18" (1/1) ... [2024-12-06 03:19:18,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:19:18" (1/1) ... [2024-12-06 03:19:18,531 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:19:18" (1/1) ... [2024-12-06 03:19:18,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:19:18" (1/1) ... [2024-12-06 03:19:18,536 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:19:18" (1/1) ... [2024-12-06 03:19:18,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:19:18" (1/1) ... [2024-12-06 03:19:18,540 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:19:18" (1/1) ... [2024-12-06 03:19:18,541 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:19:18" (1/1) ... [2024-12-06 03:19:18,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:19:18" (1/1) ... [2024-12-06 03:19:18,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:19:18,545 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:19:18,545 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:19:18,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:19:18,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:19:18" (1/1) ... [2024-12-06 03:19:18,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:19:18,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c91e1-4764-40dd-ae41-bd1cbfcf8c90/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:19:18,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c91e1-4764-40dd-ae41-bd1cbfcf8c90/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:19:18,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c91e1-4764-40dd-ae41-bd1cbfcf8c90/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:19:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 03:19:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 03:19:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 03:19:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 03:19:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:19:18,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:19:18,679 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:19:18,681 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:19:18,824 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-12-06 03:19:18,825 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:19:18,872 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:19:18,872 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:19:18,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:19:18 BoogieIcfgContainer [2024-12-06 03:19:18,873 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:19:18,873 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:19:18,873 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:19:18,881 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:19:18,881 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:19:18" (1/1) ... [2024-12-06 03:19:18,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:19:18,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:18,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2024-12-06 03:19:18,938 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-12-06 03:19:18,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 03:19:18,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:19:18,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:19:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:19,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:19:19,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:19,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2024-12-06 03:19:19,139 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-12-06 03:19:19,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 03:19:19,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:19:19,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:19:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:19,286 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 03:19:19,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:19,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-06 03:19:19,386 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 03:19:19,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 03:19:19,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:19:19,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:19:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:19,449 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 03:19:19,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:19,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2024-12-06 03:19:19,480 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-12-06 03:19:19,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 03:19:19,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:19:19,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:19:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:19,737 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 03:19:20,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:20,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2024-12-06 03:19:20,216 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-12-06 03:19:20,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:19:20,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:19:20,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:19:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:20,235 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 03:19:20,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:20,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2024-12-06 03:19:20,250 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-12-06 03:19:20,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:19:20,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:19:20,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:19:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:20,278 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 03:19:20,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:20,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-06 03:19:20,292 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 03:19:20,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:19:20,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:19:20,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:19:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:20,317 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 03:19:20,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:20,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-12-06 03:19:20,354 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-12-06 03:19:20,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:19:20,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:19:20,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:19:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:20,381 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 03:19:20,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:20,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-06 03:19:20,403 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-06 03:19:20,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:19:20,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:19:20,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:19:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:20,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:19:20,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:20,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-12-06 03:19:20,595 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-12-06 03:19:20,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:19:20,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:19:20,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:19:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:20,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:19:22,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:22,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2024-12-06 03:19:22,067 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-12-06 03:19:22,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:19:22,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:19:22,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:19:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:22,194 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 03:19:23,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:23,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-12-06 03:19:23,358 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-12-06 03:19:23,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 03:19:23,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:19:23,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:19:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:23,472 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 03:19:23,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:23,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2024-12-06 03:19:23,708 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-12-06 03:19:23,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:19:23,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:19:23,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:19:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:24,365 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:19:25,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:25,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2024-12-06 03:19:25,703 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-12-06 03:19:25,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:19:25,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:19:25,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:19:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:19:25,751 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 03:19:26,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:19:26,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2024-12-06 03:19:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2024-12-06 03:19:26,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:19:26,040 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2024-12-06 03:19:26,046 INFO L726 CodeCheckObserver]: All specifications hold 9 specifications checked. All of them hold [2024-12-06 03:19:26,230 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 03:19:26,230 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 03:19:26,230 INFO L77 FloydHoareUtils]: At program point L376(line 376) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~nondetString~0#1.offset| 0) (< 0 |ULTIMATE.start_main_~length~0#1|) (= (select |#valid| |ULTIMATE.start_main_~nondetString~0#1.base|) 1) (< (div |ULTIMATE.start_main_~length~0#1| 18446744073709551616) 1) (= (mod |ULTIMATE.start_main_~length~0#1| 18446744073709551616) (select |#length| |ULTIMATE.start_main_~nondetString~0#1.base|)) (< 0 (+ |ULTIMATE.start_main_~nondetString~0#1.offset| 1)) (= (store |#valid| |ULTIMATE.start_main_#t~malloc211#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)) [2024-12-06 03:19:26,231 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 03:19:26,231 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 03:19:26,231 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 03:19:26,231 INFO L77 FloydHoareUtils]: At program point L366-2(line 366) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_cstrchr_~s#1.offset| 1) (select |#length| |ULTIMATE.start_cstrchr_~s#1.base|)) (or (not |ULTIMATE.start_cstrchr_#t~short207#1|) (< 0 |ULTIMATE.start_cstrchr_~s#1.offset|)) (= (select |#valid| |ULTIMATE.start_cstrchr_~s#1.base|) 1) (<= 0 |ULTIMATE.start_cstrchr_~s#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_cstrchr_~s#1.base|) 0) 0) (= (store |#valid| |ULTIMATE.start_main_#t~malloc211#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)) [2024-12-06 03:19:26,231 INFO L77 FloydHoareUtils]: At program point L366-3(line 366) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_cstrchr_~s#1.offset| 1) (select |#length| |ULTIMATE.start_cstrchr_~s#1.base|)) (<= 1 |ULTIMATE.start_cstrchr_~s#1.offset|) (= (select |#valid| |ULTIMATE.start_cstrchr_~s#1.base|) 1) (= (select (select |#memory_int| |ULTIMATE.start_cstrchr_~s#1.base|) 0) 0) (= (store |#valid| |ULTIMATE.start_main_#t~malloc211#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)) [2024-12-06 03:19:26,231 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:19:26,231 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 370 380) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-12-06 03:19:26,231 INFO L77 FloydHoareUtils]: At program point L366-6(lines 366 367) the Hoare annotation is: (let ((.cse0 (<= (+ |ULTIMATE.start_cstrchr_~s#1.offset| 1) (select |#length| |ULTIMATE.start_cstrchr_~s#1.base|))) (.cse1 (= (select |#valid| |ULTIMATE.start_cstrchr_~s#1.base|) 1)) (.cse2 (= (store |#valid| |ULTIMATE.start_main_#t~malloc211#1.base| 0) |ULTIMATE.start_main_old_#valid#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_cstrchr_~s#1.offset|) .cse1 (= (select (select |#memory_int| |ULTIMATE.start_cstrchr_~s#1.base|) 0) 0) .cse2) (and .cse0 (not |ULTIMATE.start_cstrchr_#t~short207#1|) .cse1 (<= 0 |ULTIMATE.start_cstrchr_~s#1.offset|) .cse2))) [2024-12-06 03:19:26,232 INFO L77 FloydHoareUtils]: At program point L366-9(lines 366 367) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_cstrchr_~s#1.offset| 1) (select |#length| |ULTIMATE.start_cstrchr_~s#1.base|)) (= (select |#valid| |ULTIMATE.start_cstrchr_~s#1.base|) 1) (<= 0 |ULTIMATE.start_cstrchr_~s#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_cstrchr_~s#1.base|) 0) 0) (= (store |#valid| |ULTIMATE.start_main_#t~malloc211#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)) [2024-12-06 03:19:26,232 INFO L77 FloydHoareUtils]: At program point L366-10(lines 366 367) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_cstrchr_~s#1.offset| 1) (select |#length| |ULTIMATE.start_cstrchr_~s#1.base|)) (= (select |#valid| |ULTIMATE.start_cstrchr_~s#1.base|) 1) (<= 0 |ULTIMATE.start_cstrchr_~s#1.offset|) (= (store |#valid| |ULTIMATE.start_main_#t~malloc211#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)) [2024-12-06 03:19:26,232 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 03:19:26,232 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 03:19:26,232 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 03:19:26,232 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 03:19:26,232 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK(lines 370 380) no Hoare annotation was computed. [2024-12-06 03:19:26,237 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s!offset [2024-12-06 03:19:26,239 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-06 03:19:26,239 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-06 03:19:26,239 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-06 03:19:26,239 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-12-06 03:19:26,239 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s!offset [2024-12-06 03:19:26,240 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-12-06 03:19:26,240 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-12-06 03:19:26,240 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-12-06 03:19:26,240 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-06 03:19:26,240 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s!offset [2024-12-06 03:19:26,240 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-06 03:19:26,241 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-06 03:19:26,241 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-06 03:19:26,241 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-12-06 03:19:26,241 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s!offset [2024-12-06 03:19:26,241 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-06 03:19:26,241 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-06 03:19:26,241 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s!base,]]] [2024-12-06 03:19:26,241 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-12-06 03:19:26,241 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-12-06 03:19:26,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:19:26 ImpRootNode [2024-12-06 03:19:26,242 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:19:26,243 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:19:26,243 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:19:26,243 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:19:26,244 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:19:18" (3/4) ... [2024-12-06 03:19:26,246 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:19:26,250 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-12-06 03:19:26,250 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 03:19:26,251 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 03:19:26,251 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-06 03:19:26,311 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c91e1-4764-40dd-ae41-bd1cbfcf8c90/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:19:26,311 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c91e1-4764-40dd-ae41-bd1cbfcf8c90/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:19:26,311 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:19:26,312 INFO L158 Benchmark]: Toolchain (without parser) took 8227.11ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 81.5MB in the end (delta: 34.9MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2024-12-06 03:19:26,312 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:19:26,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.20ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 98.2MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:19:26,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.27ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 96.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:19:26,313 INFO L158 Benchmark]: Boogie Preprocessor took 22.41ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 95.8MB in the end (delta: 792.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:19:26,313 INFO L158 Benchmark]: RCFGBuilder took 328.10ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 81.0MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:19:26,314 INFO L158 Benchmark]: CodeCheck took 7369.18ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 85.8MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:19:26,314 INFO L158 Benchmark]: Witness Printer took 67.94ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 81.5MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:19:26,316 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, 18 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 252 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 210 mSDsluCounter, 212 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 138 mSDsCounter, 355 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 913 IncrementalHoareTripleChecker+Invalid, 1268 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 355 mSolverCounterUnsat, 74 mSDtfsCounter, 913 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 693 GetRequests, 567 SyntacticMatches, 10 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4531 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 532 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 4/11 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: -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: 370]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.20ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 98.2MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.27ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 96.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.41ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 95.8MB in the end (delta: 792.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 328.10ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 81.0MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 7369.18ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 85.8MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 67.94ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 81.5MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - 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: ~s!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 - 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: ~s!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - 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: ~s!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 RESULT: Ultimate proved your program to be correct! [2024-12-06 03:19:26,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c4c91e1-4764-40dd-ae41-bd1cbfcf8c90/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