./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-regression/test21-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07064b31-e326-4748-80f4-04782e694640/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07064b31-e326-4748-80f4-04782e694640/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07064b31-e326-4748-80f4-04782e694640/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07064b31-e326-4748-80f4-04782e694640/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-regression/test21-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07064b31-e326-4748-80f4-04782e694640/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07064b31-e326-4748-80f4-04782e694640/bin/ukojak-verify-ENZ3QT5qd3 --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 05085beafc13f38fbda38ea415197838c6c50810d8ce271072546e893cc1f1e6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:04:49,213 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:04:49,293 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07064b31-e326-4748-80f4-04782e694640/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-24 18:04:49,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:04:49,300 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:04:49,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:04:49,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:04:49,328 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:04:49,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:04:49,329 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:04:49,329 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:04:49,329 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:04:49,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:04:49,330 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-24 18:04:49,330 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-24 18:04:49,330 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-24 18:04:49,330 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:04:49,330 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:04:49,330 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:04:49,331 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:04:49,331 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:04:49,331 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:04:49,331 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:04:49,331 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:04:49,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:04:49,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:04:49,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:04:49,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:04:49,332 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:04:49,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:04:49,333 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_07064b31-e326-4748-80f4-04782e694640/bin/ukojak-verify-ENZ3QT5qd3 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 -> 05085beafc13f38fbda38ea415197838c6c50810d8ce271072546e893cc1f1e6 [2024-11-24 18:04:49,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:04:49,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:04:49,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:04:49,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:04:49,747 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:04:49,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07064b31-e326-4748-80f4-04782e694640/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-regression/test21-1.c [2024-11-24 18:04:52,967 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07064b31-e326-4748-80f4-04782e694640/bin/ukojak-verify-ENZ3QT5qd3/data/cc363dcf5/f7c2c0b5ccbe4569bac2bc69965c703b/FLAG3b79c8ffb [2024-11-24 18:04:53,290 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:04:53,291 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07064b31-e326-4748-80f4-04782e694640/sv-benchmarks/c/ldv-regression/test21-1.c [2024-11-24 18:04:53,300 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07064b31-e326-4748-80f4-04782e694640/bin/ukojak-verify-ENZ3QT5qd3/data/cc363dcf5/f7c2c0b5ccbe4569bac2bc69965c703b/FLAG3b79c8ffb [2024-11-24 18:04:53,318 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07064b31-e326-4748-80f4-04782e694640/bin/ukojak-verify-ENZ3QT5qd3/data/cc363dcf5/f7c2c0b5ccbe4569bac2bc69965c703b [2024-11-24 18:04:53,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:04:53,323 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:04:53,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:04:53,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:04:53,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:04:53,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:04:53" (1/1) ... [2024-11-24 18:04:53,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70c1cf7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:53, skipping insertion in model container [2024-11-24 18:04:53,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:04:53" (1/1) ... [2024-11-24 18:04:53,355 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:04:53,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:04:53,547 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:04:53,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:04:53,599 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:04:53,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:53 WrapperNode [2024-11-24 18:04:53,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:04:53,602 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:04:53,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:04:53,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:04:53,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:53" (1/1) ... [2024-11-24 18:04:53,629 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:53" (1/1) ... [2024-11-24 18:04:53,658 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 77 [2024-11-24 18:04:53,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:04:53,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:04:53,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:04:53,660 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:04:53,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:53" (1/1) ... [2024-11-24 18:04:53,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:53" (1/1) ... [2024-11-24 18:04:53,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:53" (1/1) ... [2024-11-24 18:04:53,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:53" (1/1) ... [2024-11-24 18:04:53,685 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:53" (1/1) ... [2024-11-24 18:04:53,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:53" (1/1) ... [2024-11-24 18:04:53,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:53" (1/1) ... [2024-11-24 18:04:53,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:53" (1/1) ... [2024-11-24 18:04:53,694 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:53" (1/1) ... [2024-11-24 18:04:53,696 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:04:53,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:04:53,701 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:04:53,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:04:53,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:53" (1/1) ... [2024-11-24 18:04:53,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:04:53,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07064b31-e326-4748-80f4-04782e694640/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:04:53,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07064b31-e326-4748-80f4-04782e694640/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:04:53,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07064b31-e326-4748-80f4-04782e694640/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:04:53,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:04:53,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:04:53,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 18:04:53,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:04:53,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:04:53,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 18:04:53,898 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:04:53,900 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:04:54,202 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-24 18:04:54,202 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:04:54,295 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:04:54,295 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:04:54,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:04:54 BoogieIcfgContainer [2024-11-24 18:04:54,295 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:04:54,296 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:04:54,297 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:04:54,311 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:04:54,311 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:04:54" (1/1) ... [2024-11-24 18:04:54,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:04:54,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:54,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2024-11-24 18:04:54,416 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2024-11-24 18:04:54,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-24 18:04:54,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:54,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:54,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:54,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:54,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2024-11-24 18:04:54,850 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2024-11-24 18:04:54,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-24 18:04:54,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:54,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:55,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:55,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:55,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2024-11-24 18:04:55,194 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2024-11-24 18:04:55,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-24 18:04:55,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:55,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:55,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:55,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:55,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2024-11-24 18:04:55,327 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2024-11-24 18:04:55,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-24 18:04:55,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:55,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:55,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:55,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:55,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2024-11-24 18:04:55,681 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2024-11-24 18:04:55,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:04:55,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:55,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:55,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:56,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:56,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2024-11-24 18:04:56,204 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2024-11-24 18:04:56,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:04:56,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:56,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:56,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:56,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:56,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2024-11-24 18:04:56,898 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-11-24 18:04:56,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-24 18:04:56,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:56,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:56,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:57,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:57,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2024-11-24 18:04:57,050 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-11-24 18:04:57,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-24 18:04:57,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:57,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:57,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:57,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:57,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2024-11-24 18:04:57,301 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-24 18:04:57,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:04:57,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:57,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:57,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:58,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:58,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2024-11-24 18:04:58,040 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-11-24 18:04:58,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:04:58,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:58,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:58,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:59,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:59,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2024-11-24 18:04:59,693 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2024-11-24 18:04:59,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:04:59,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:59,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:59,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:05:01,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:01,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2024-11-24 18:05:01,389 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2024-11-24 18:05:01,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:05:01,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:01,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:01,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:05:02,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:02,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2024-11-24 18:05:02,091 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2024-11-24 18:05:02,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:05:02,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:02,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:02,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:05:03,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:03,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2024-11-24 18:05:03,097 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2024-11-24 18:05:03,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-24 18:05:03,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:03,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:03,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:05:03,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:03,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-24 18:05:03,875 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-24 18:05:03,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-24 18:05:03,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:05:03,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:05:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:05:03,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:05:04,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:05:04,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-24 18:05:04,708 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-24 18:05:04,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 18:05:04,709 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2024-11-24 18:05:04,719 INFO L726 CodeCheckObserver]: All specifications hold 14 specifications checked. All of them hold [2024-11-24 18:05:04,817 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-24 18:05:04,817 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK(lines 32 46) no Hoare annotation was computed. [2024-11-24 18:05:04,817 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-24 18:05:04,817 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-24 18:05:04,817 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: (and (= (select |#valid| |~#d1~0.base|) 1) (= |~#d2~0.offset| 0) (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (= (select |#length| |~#d2~0.base|) 8) (<= 8 (select |#length| |~#d1~0.base|)) (= |~#d1~0.offset| 0) (= (select |#valid| |~#d2~0.base|) 1)) [2024-11-24 18:05:04,817 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-24 18:05:04,818 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: (and (= 1 (select |#valid| 5)) (= |~#d2~0.offset| 0) (= |~#d1~0.base| 4) (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (= 5 |~#d2~0.base|) (= (select |#length| |~#d2~0.base|) 8) (= (select |#valid| 4) 1) (= |~#d1~0.offset| 0) (= (select |#length| |~#d1~0.base|) 8)) [2024-11-24 18:05:04,818 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 32 46) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-11-24 18:05:04,818 INFO L77 FloydHoareUtils]: At program point L36(lines 36 40) the Hoare annotation is: (and (<= 8 (select |#length| |ULTIMATE.start_main_~pd2~0#1.base|)) (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (= (select |#valid| |ULTIMATE.start_main_~pd1~0#1.base|) 1) (= |ULTIMATE.start_main_~pd1~0#1.offset| 0)) [2024-11-24 18:05:04,818 INFO L75 FloydHoareUtils]: For program point L3(line 3) no Hoare annotation was computed. [2024-11-24 18:05:04,818 INFO L77 FloydHoareUtils]: At program point L36-2(lines 36 40) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-11-24 18:05:04,818 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK(line 3) no Hoare annotation was computed. [2024-11-24 18:05:04,818 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-24 18:05:04,818 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-24 18:05:04,818 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-24 18:05:04,819 INFO L77 FloydHoareUtils]: At program point L16(line 16) the Hoare annotation is: (and (= (select |#valid| |~#d1~0.base|) 1) (= 1 (select |#valid| 5)) (= |~#d2~0.offset| 0) (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (= 5 |~#d2~0.base|) (= (select |#length| |~#d2~0.base|) 8) (= |~#d1~0.offset| 0) (= (select |#length| |~#d1~0.base|) 8)) [2024-11-24 18:05:04,819 INFO L77 FloydHoareUtils]: At program point L37(lines 37 39) the Hoare annotation is: (and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (<= 1 |ULTIMATE.start_main_#t~ret13#1|)) [2024-11-24 18:05:04,819 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-24 18:05:04,819 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: (and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (= |ULTIMATE.start_check_~s1#1.base| |ULTIMATE.start_check_~s2#1.base|) (= (select |#valid| |ULTIMATE.start_check_~s1#1.base|) 1) (<= 8 (select |#length| |ULTIMATE.start_check_~s1#1.base|)) (= |ULTIMATE.start_check_~s2#1.offset| |ULTIMATE.start_check_~s1#1.offset|) (= |ULTIMATE.start_check_~s1#1.offset| 0)) [2024-11-24 18:05:04,820 INFO L77 FloydHoareUtils]: At program point L29-1(line 29) the Hoare annotation is: (and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (= (select |#valid| |ULTIMATE.start_check_~s2#1.base|) 1) (<= (+ |ULTIMATE.start_check_~s2#1.offset| 4) (select |#length| |ULTIMATE.start_check_~s2#1.base|)) (= |ULTIMATE.start_check_#t~mem9#1| (select (select |#memory_int| |ULTIMATE.start_check_~s2#1.base|) |ULTIMATE.start_check_~s2#1.offset|)) (<= 0 |ULTIMATE.start_check_~s2#1.offset|)) [2024-11-24 18:05:04,820 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-24 18:05:04,820 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-24 18:05:04,820 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-24 18:05:04,820 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-24 18:05:04,820 INFO L77 FloydHoareUtils]: At program point L18(line 18) the Hoare annotation is: (and (= (select |#valid| |~#d1~0.base|) 1) (= 1 (select |#valid| 5)) (= |~#d2~0.offset| 0) (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (= 5 |~#d2~0.base|) (= (select |#length| |~#d2~0.base|) 8) (<= 8 (select |#length| |~#d1~0.base|)) (= |~#d1~0.offset| 0)) [2024-11-24 18:05:04,821 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-24 18:05:04,821 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-24 18:05:04,829 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-24 18:05:04,830 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-24 18:05:04,832 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-24 18:05:04,832 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-24 18:05:04,832 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-24 18:05:04,832 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-24 18:05:04,833 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s2!offset [2024-11-24 18:05:04,833 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-24 18:05:04,834 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-24 18:05:04,834 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~mem9 [2024-11-24 18:05:04,834 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-24 18:05:04,834 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-24 18:05:04,834 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~s2!base,]]] [2024-11-24 18:05:04,834 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s2!offset [2024-11-24 18:05:04,835 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-24 18:05:04,835 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-24 18:05:04,835 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d2~0!offset [2024-11-24 18:05:04,835 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-24 18:05:04,835 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-24 18:05:04,835 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-24 18:05:04,835 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-24 18:05:04,835 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-24 18:05:04,835 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-24 18:05:04,836 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#d1~0!offset [2024-11-24 18:05:04,836 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-24 18:05:04,836 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-24 18:05:04,836 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-24 18:05:04,836 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-24 18:05:04,836 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~ret13 [2024-11-24 18:05:04,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:05:04 ImpRootNode [2024-11-24 18:05:04,838 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:05:04,838 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:05:04,838 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:05:04,838 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:05:04,839 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:04:54" (3/4) ... [2024-11-24 18:05:04,841 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 18:05:04,848 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-11-24 18:05:04,848 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-24 18:05:04,849 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 18:05:04,849 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 18:05:04,924 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07064b31-e326-4748-80f4-04782e694640/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:05:04,924 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07064b31-e326-4748-80f4-04782e694640/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:05:04,924 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:05:04,925 INFO L158 Benchmark]: Toolchain (without parser) took 11601.62ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 106.0MB in the beginning and 205.2MB in the end (delta: -99.2MB). Peak memory consumption was 122.4MB. Max. memory is 16.1GB. [2024-11-24 18:05:04,925 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:05:04,926 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.21ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 94.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:05:04,926 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.09ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 93.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:05:04,926 INFO L158 Benchmark]: Boogie Preprocessor took 40.73ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 92.7MB in the end (delta: 721.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:05:04,926 INFO L158 Benchmark]: RCFGBuilder took 594.58ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 75.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:05:04,927 INFO L158 Benchmark]: CodeCheck took 10541.18ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 75.2MB in the beginning and 209.0MB in the end (delta: -133.9MB). Peak memory consumption was 97.2MB. Max. memory is 16.1GB. [2024-11-24 18:05:04,927 INFO L158 Benchmark]: Witness Printer took 86.10ms. Allocated memory is still 369.1MB. Free memory was 209.0MB in the beginning and 205.2MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:05:04,930 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, 27 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 10.4s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 339 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 283 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 302 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1481 IncrementalHoareTripleChecker+Invalid, 1783 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 302 mSolverCounterUnsat, 12 mSDtfsCounter, 1481 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 711 GetRequests, 558 SyntacticMatches, 7 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10328 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 342 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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: 3]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 32]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 14 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.21ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 94.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.09ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 93.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.73ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 92.7MB in the end (delta: 721.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 594.58ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 75.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10541.18ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 75.2MB in the beginning and 209.0MB in the end (delta: -133.9MB). Peak memory consumption was 97.2MB. Max. memory is 16.1GB. * Witness Printer took 86.10ms. Allocated memory is still 369.1MB. Free memory was 209.0MB in the beginning and 205.2MB in the end (delta: 3.8MB). 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: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - 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: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s2!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: #t~mem9 - 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[~s2!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s2!offset - 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: ~#d2~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - 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: ~#d1~0!offset - 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: #t~ret13 RESULT: Ultimate proved your program to be correct! [2024-11-24 18:05:04,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07064b31-e326-4748-80f4-04782e694640/bin/ukojak-verify-ENZ3QT5qd3/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