./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-regression/test07.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_bd30b171-2313-481c-b499-3156546a7ce8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd30b171-2313-481c-b499-3156546a7ce8/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_bd30b171-2313-481c-b499-3156546a7ce8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd30b171-2313-481c-b499-3156546a7ce8/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-regression/test07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd30b171-2313-481c-b499-3156546a7ce8/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_bd30b171-2313-481c-b499-3156546a7ce8/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 e03ee78d6fb8fed8d925fa146d2fbaeda58a8eee93c250fd17f0234d1b1c9cb7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:27:59,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:27:59,786 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd30b171-2313-481c-b499-3156546a7ce8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 04:27:59,791 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:27:59,791 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:27:59,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:27:59,812 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:27:59,812 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:27:59,812 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:27:59,812 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:27:59,812 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:27:59,813 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:27:59,813 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:27:59,813 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 04:27:59,813 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 04:27:59,813 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 04:27:59,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:27:59,813 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:27:59,813 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:27:59,813 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:27:59,813 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:27:59,814 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:27:59,814 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:27:59,814 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:27:59,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:27:59,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:27:59,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:27:59,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:27:59,814 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:27:59,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:27:59,814 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_bd30b171-2313-481c-b499-3156546a7ce8/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 -> e03ee78d6fb8fed8d925fa146d2fbaeda58a8eee93c250fd17f0234d1b1c9cb7 [2024-12-06 04:28:00,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:28:00,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:28:00,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:28:00,066 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:28:00,066 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:28:00,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd30b171-2313-481c-b499-3156546a7ce8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-regression/test07.c [2024-12-06 04:28:02,706 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd30b171-2313-481c-b499-3156546a7ce8/bin/ukojak-verify-CZk0znPC7b/data/e9bf5d3fe/3b6b5373eeb249008709199c41f3692e/FLAG12b1a7517 [2024-12-06 04:28:02,911 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:28:02,912 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd30b171-2313-481c-b499-3156546a7ce8/sv-benchmarks/c/ldv-regression/test07.c [2024-12-06 04:28:02,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd30b171-2313-481c-b499-3156546a7ce8/bin/ukojak-verify-CZk0znPC7b/data/e9bf5d3fe/3b6b5373eeb249008709199c41f3692e/FLAG12b1a7517 [2024-12-06 04:28:03,284 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd30b171-2313-481c-b499-3156546a7ce8/bin/ukojak-verify-CZk0znPC7b/data/e9bf5d3fe/3b6b5373eeb249008709199c41f3692e [2024-12-06 04:28:03,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:28:03,287 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:28:03,288 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:28:03,288 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:28:03,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:28:03,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:28:03" (1/1) ... [2024-12-06 04:28:03,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b7d7ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:03, skipping insertion in model container [2024-12-06 04:28:03,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:28:03" (1/1) ... [2024-12-06 04:28:03,303 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:28:03,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:28:03,423 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:28:03,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:28:03,444 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:28:03,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:03 WrapperNode [2024-12-06 04:28:03,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:28:03,445 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:28:03,445 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:28:03,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:28:03,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:03" (1/1) ... [2024-12-06 04:28:03,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:03" (1/1) ... [2024-12-06 04:28:03,470 INFO L138 Inliner]: procedures = 12, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2024-12-06 04:28:03,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:28:03,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:28:03,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:28:03,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:28:03,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:03" (1/1) ... [2024-12-06 04:28:03,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:03" (1/1) ... [2024-12-06 04:28:03,478 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:03" (1/1) ... [2024-12-06 04:28:03,478 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:03" (1/1) ... [2024-12-06 04:28:03,481 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:03" (1/1) ... [2024-12-06 04:28:03,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:03" (1/1) ... [2024-12-06 04:28:03,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:03" (1/1) ... [2024-12-06 04:28:03,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:03" (1/1) ... [2024-12-06 04:28:03,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:03" (1/1) ... [2024-12-06 04:28:03,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:28:03,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:28:03,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:28:03,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:28:03,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:28:03" (1/1) ... [2024-12-06 04:28:03,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:28:03,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd30b171-2313-481c-b499-3156546a7ce8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:28:03,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd30b171-2313-481c-b499-3156546a7ce8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:28:03,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd30b171-2313-481c-b499-3156546a7ce8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:28:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:28:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:28:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:28:03,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:28:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 04:28:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:28:03,601 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:28:03,602 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:28:03,753 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 04:28:03,753 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:28:03,800 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:28:03,800 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 04:28:03,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:28:03 BoogieIcfgContainer [2024-12-06 04:28:03,800 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:28:03,801 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:28:03,801 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:28:03,810 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:28:03,810 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:28:03" (1/1) ... [2024-12-06 04:28:03,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:28:03,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:03,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2024-12-06 04:28:03,853 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2024-12-06 04:28:03,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 04:28:03,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:03,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:04,001 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 04:28:04,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:04,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2024-12-06 04:28:04,036 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2024-12-06 04:28:04,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 04:28:04,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:04,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:04,111 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 04:28:04,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:04,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2024-12-06 04:28:04,204 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2024-12-06 04:28:04,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:28:04,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:04,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:04,264 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 04:28:04,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:04,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2024-12-06 04:28:04,403 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2024-12-06 04:28:04,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:28:04,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:04,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:04,472 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 04:28:04,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:04,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2024-12-06 04:28:04,715 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2024-12-06 04:28:04,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:28:04,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:04,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:04,756 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 04:28:04,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:04,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2024-12-06 04:28:04,784 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2024-12-06 04:28:04,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:28:04,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:04,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:04,861 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 04:28:05,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:05,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2024-12-06 04:28:05,005 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2024-12-06 04:28:05,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:28:05,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:05,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:05,024 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 04:28:05,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:05,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2024-12-06 04:28:05,037 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2024-12-06 04:28:05,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 04:28:05,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:05,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:05,070 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 04:28:05,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:05,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2024-12-06 04:28:05,085 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2024-12-06 04:28:05,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:28:05,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:05,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:05,197 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 04:28:05,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:05,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2024-12-06 04:28:05,640 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2024-12-06 04:28:05,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:28:05,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:05,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:05,773 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 04:28:06,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:06,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2024-12-06 04:28:06,416 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2024-12-06 04:28:06,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:28:06,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:06,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:06,506 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 04:28:07,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:07,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2024-12-06 04:28:07,237 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2024-12-06 04:28:07,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:28:07,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:07,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:07,360 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 04:28:08,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:08,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2024-12-06 04:28:08,288 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2024-12-06 04:28:08,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:28:08,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:08,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:08,306 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 04:28:08,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:08,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2024-12-06 04:28:08,549 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2024-12-06 04:28:08,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:28:08,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:08,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:08,582 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 04:28:08,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:08,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2024-12-06 04:28:08,870 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2024-12-06 04:28:08,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:28:08,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:08,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:08,894 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 04:28:08,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:08,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2024-12-06 04:28:08,907 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2024-12-06 04:28:08,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:28:08,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:08,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:08,947 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 04:28:08,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:08,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2024-12-06 04:28:08,962 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2024-12-06 04:28:08,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 04:28:08,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:08,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:08,979 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 04:28:08,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:08,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2024-12-06 04:28:08,994 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2024-12-06 04:28:08,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 04:28:08,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:08,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:09,033 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 04:28:09,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:09,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2024-12-06 04:28:09,053 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2024-12-06 04:28:09,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:28:09,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:09,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:09,112 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 04:28:10,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:10,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 15 states and 14 transitions. [2024-12-06 04:28:10,130 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2024-12-06 04:28:10,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:28:10,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:10,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:28:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:28:10,842 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 04:28:13,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:13,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2024-12-06 04:28:13,663 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2024-12-06 04:28:13,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 04:28:13,664 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2024-12-06 04:28:13,670 INFO L726 CodeCheckObserver]: All specifications hold 20 specifications checked. All of them hold [2024-12-06 04:28:13,785 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:28:13,786 INFO L77 FloydHoareUtils]: At program point L31(line 31) the Hoare annotation is: (and (= ~p2~0.offset ~p1~0.offset) (<= 4 (select |#length| |~#a~0.base|)) (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (not (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) 0)) (= ~p2~0.base ~p1~0.base) (= |~#a~0.offset| 0) (= (select |#valid| |~#a~0.base|) 1)) [2024-12-06 04:28:13,786 INFO L77 FloydHoareUtils]: At program point L31-1(lines 31 33) the Hoare annotation is: (and (= ~p2~0.offset ~p1~0.offset) (not (= |ULTIMATE.start_main_#t~mem10#1| 0)) (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (= ~p2~0.base ~p1~0.base)) [2024-12-06 04:28:13,786 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: (and (= (select |#valid| ~p2~0.base) 1) (not (= ~p2~0.base |~#a~0.base|)) (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (= |~#a~0.base| ~p1~0.base) (= (select |#length| ~p1~0.base) 4) (= ~p2~0.offset 0) (= |~#a~0.offset| 0) (= ~p1~0.offset 0) (= (select (select |#memory_int| ~p2~0.base) ~p2~0.offset) 1) (= (select |#valid| |~#a~0.base|) 1) (= (select |#length| ~p2~0.base) 4)) [2024-12-06 04:28:13,786 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:28:13,786 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:28:13,787 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:28:13,787 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:28:13,787 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 19 39) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-12-06 04:28:13,787 INFO L75 FloydHoareUtils]: For program point L3(line 3) no Hoare annotation was computed. [2024-12-06 04:28:13,787 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:28:13,787 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:28:13,787 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:28:13,787 INFO L77 FloydHoareUtils]: At program point L24(line 24) the Hoare annotation is: (and (= 1 (select |#valid| 5)) (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (= |~#b~0.base| ~p2~0.base) (= |~#a~0.base| ~p1~0.base) (= (select |#valid| |~#b~0.base|) 1) (= ~p2~0.offset 0) (= (select |#valid| 4) 1) (not (= |~#b~0.base| |~#a~0.base|)) (= |~#a~0.offset| 0) (= ~p1~0.offset 0) (= (select |#valid| |~#a~0.base|) 1) (= (select |#length| ~p2~0.base) 4) (= (select |#length| |~#a~0.base|) 4) (= ~p2~0.offset |~#b~0.offset|)) [2024-12-06 04:28:13,787 INFO L77 FloydHoareUtils]: At program point L24-1(line 24) the Hoare annotation is: (and (= (select |#valid| ~p2~0.base) 1) (not (= ~p2~0.base |~#a~0.base|)) (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (= |~#a~0.base| ~p1~0.base) (= ~p2~0.offset 0) (= (select |#valid| 4) 1) (= |~#a~0.offset| 0) (= ~p1~0.offset 0) (= (select (select |#memory_int| ~p2~0.base) ~p2~0.offset) 1) (= (select |#valid| |~#a~0.base|) 1) (= (select |#length| ~p2~0.base) 4) (= (select |#length| |~#a~0.base|) 4)) [2024-12-06 04:28:13,788 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:28:13,788 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:28:13,788 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 04:28:13,788 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: (and (= ~p2~0.offset ~p1~0.offset) (<= 4 (select |#length| |~#a~0.base|)) (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (= ~p2~0.base ~p1~0.base) (not (= |ULTIMATE.start_main_#t~ret9#1| 0)) (= |~#a~0.offset| 0) (= (select |#valid| |~#a~0.base|) 1)) [2024-12-06 04:28:13,788 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: (and (= (select |#valid| ~p2~0.base) 1) (not (= ~p2~0.base |~#a~0.base|)) (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (= |~#a~0.base| ~p1~0.base) (= (select |#length| ~p1~0.base) 4) (= ~p2~0.offset 0) (= |~#a~0.offset| 0) (= ~p1~0.offset 0) (= (select (select |#memory_int| ~p2~0.base) ~p2~0.offset) 1) (= (select |#valid| |~#a~0.base|) 1) (= (select |#length| ~p2~0.base) 4)) [2024-12-06 04:28:13,788 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:28:13,788 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:28:13,788 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:28:13,788 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:28:13,788 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 04:28:13,789 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK(lines 19 39) no Hoare annotation was computed. [2024-12-06 04:28:13,789 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:28:13,789 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:28:13,789 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:28:13,789 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 04:28:13,789 INFO L77 FloydHoareUtils]: At program point L10(line 10) the Hoare annotation is: (and (= (select |#valid| ~p2~0.base) 1) (<= 4 (select |#length| |~#a~0.base|)) (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (= (select |#length| ~p1~0.base) 4) (= ~p2~0.offset 0) (= (select |#valid| ~p1~0.base) 1) (= |~#a~0.offset| 0) (= ~p1~0.offset 0) (= (select (select |#memory_int| ~p2~0.base) ~p2~0.offset) 1) (= (select |#valid| |~#a~0.base|) 1) (= (select |#length| ~p2~0.base) 4) (= (select (select |#memory_int| ~p1~0.base) ~p1~0.offset) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) [2024-12-06 04:28:13,789 INFO L77 FloydHoareUtils]: At program point L10-1(line 10) the Hoare annotation is: (and (= (select |#valid| ~p2~0.base) 1) (<= 4 (select |#length| |~#a~0.base|)) (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (= ~p2~0.offset 0) (= |~#a~0.offset| 0) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) |ULTIMATE.start_f_#t~mem4#1|) (= (select (select |#memory_int| ~p2~0.base) ~p2~0.offset) 1) (= (select |#valid| |~#a~0.base|) 1) (= (select |#length| ~p2~0.base) 4)) [2024-12-06 04:28:13,789 INFO L77 FloydHoareUtils]: At program point L10-2(line 10) the Hoare annotation is: (and (= |ULTIMATE.start_f_#t~mem5#1| 1) (<= 4 (select |#length| |~#a~0.base|)) (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (= |~#a~0.offset| 0) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) |ULTIMATE.start_f_#t~mem4#1|) (= (select |#valid| |~#a~0.base|) 1)) [2024-12-06 04:28:13,789 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK(line 3) no Hoare annotation was computed. [2024-12-06 04:28:13,796 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~mem5 [2024-12-06 04:28:13,799 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-06 04:28:13,799 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-06 04:28:13,799 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-12-06 04:28:13,799 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-06 04:28:13,799 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#a~0!offset [2024-12-06 04:28:13,799 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-06 04:28:13,799 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-06 04:28:13,799 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#a~0!base,GLOBAL]]] [2024-12-06 04:28:13,799 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~mem4 [2024-12-06 04:28:13,799 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-06 04:28:13,799 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-12-06 04:28:13,800 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-12-06 04:28:13,800 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-06 04:28:13,800 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p2~0!offset [2024-12-06 04:28:13,800 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p1~0!offset [2024-12-06 04:28:13,800 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~mem10 [2024-12-06 04:28:13,800 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-12-06 04:28:13,800 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-06 04:28:13,800 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p2~0!base [2024-12-06 04:28:13,800 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p1~0!base [2024-12-06 04:28:13,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:28:13 ImpRootNode [2024-12-06 04:28:13,802 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:28:13,802 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:28:13,802 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:28:13,803 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:28:13,803 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:28:03" (3/4) ... [2024-12-06 04:28:13,805 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 04:28:13,811 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-12-06 04:28:13,811 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 04:28:13,811 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 04:28:13,811 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 04:28:13,866 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd30b171-2313-481c-b499-3156546a7ce8/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:28:13,866 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd30b171-2313-481c-b499-3156546a7ce8/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:28:13,867 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:28:13,867 INFO L158 Benchmark]: Toolchain (without parser) took 10580.13ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 71.6MB in the end (delta: 46.0MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2024-12-06 04:28:13,867 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:28:13,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 156.71ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 107.1MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:28:13,868 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.82ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:28:13,868 INFO L158 Benchmark]: Boogie Preprocessor took 15.87ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 105.1MB in the end (delta: 576.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:28:13,868 INFO L158 Benchmark]: RCFGBuilder took 313.58ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 88.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:28:13,868 INFO L158 Benchmark]: CodeCheck took 10000.76ms. Allocated memory is still 142.6MB. Free memory was 88.6MB in the beginning and 76.3MB in the end (delta: 12.3MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-12-06 04:28:13,869 INFO L158 Benchmark]: Witness Printer took 64.21ms. Allocated memory is still 142.6MB. Free memory was 76.3MB in the beginning and 71.6MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:28:13,870 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, 34 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 9.8s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 781 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 714 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 431 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2957 IncrementalHoareTripleChecker+Invalid, 3388 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 431 mSolverCounterUnsat, 5 mSDtfsCounter, 2957 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1096 GetRequests, 878 SyntacticMatches, 14 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20787 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 768 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 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: -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: -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: 3]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 19]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 20 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 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 156.71ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 107.1MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.82ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.87ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 105.1MB in the end (delta: 576.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 313.58ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 88.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10000.76ms. Allocated memory is still 142.6MB. Free memory was 88.6MB in the beginning and 76.3MB in the end (delta: 12.3MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Witness Printer took 64.21ms. Allocated memory is still 142.6MB. Free memory was 76.3MB in the beginning and 71.6MB in the end (delta: 4.7MB). 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: #t~mem5 - 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: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#a~0!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[~#a~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~mem4 - 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: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p2~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p1~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~mem10 - 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: ~p2~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p1~0!base RESULT: Ultimate proved your program to be correct! [2024-12-06 04:28:13,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd30b171-2313-481c-b499-3156546a7ce8/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