./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-regression/volatile_alias.c_1.i --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_650bda72-6db5-4e24-ae55-0f013c732208/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650bda72-6db5-4e24-ae55-0f013c732208/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_650bda72-6db5-4e24-ae55-0f013c732208/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650bda72-6db5-4e24-ae55-0f013c732208/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-regression/volatile_alias.c_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650bda72-6db5-4e24-ae55-0f013c732208/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_650bda72-6db5-4e24-ae55-0f013c732208/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 f1bb79a65ae985e12740836541686d88e393fdc93f4f86744adfbdfdcbfcd51e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:58:09,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:58:09,216 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650bda72-6db5-4e24-ae55-0f013c732208/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-25 01:58:09,224 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:58:09,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:58:09,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:58:09,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:58:09,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:58:09,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:58:09,272 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 01:58:09,272 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:58:09,272 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 01:58:09,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:58:09,273 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 01:58:09,273 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 01:58:09,273 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 01:58:09,273 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:58:09,275 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 01:58:09,275 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 01:58:09,275 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:58:09,275 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:58:09,275 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:58:09,276 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:58:09,276 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:58:09,276 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:58:09,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:09,276 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:58:09,276 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:58:09,277 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:58:09,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:58:09,278 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_650bda72-6db5-4e24-ae55-0f013c732208/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 -> f1bb79a65ae985e12740836541686d88e393fdc93f4f86744adfbdfdcbfcd51e [2024-11-25 01:58:09,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:58:09,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:58:09,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:58:09,643 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:58:09,644 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:58:09,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650bda72-6db5-4e24-ae55-0f013c732208/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-regression/volatile_alias.c_1.i [2024-11-25 01:58:12,651 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650bda72-6db5-4e24-ae55-0f013c732208/bin/ukojak-verify-ENZ3QT5qd3/data/b01ece57a/ae2f8f3196b54b939f8fefa41ee9a765/FLAGb99a977c3 [2024-11-25 01:58:12,917 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:58:12,918 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650bda72-6db5-4e24-ae55-0f013c732208/sv-benchmarks/c/ldv-regression/volatile_alias.c_1.i [2024-11-25 01:58:12,929 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650bda72-6db5-4e24-ae55-0f013c732208/bin/ukojak-verify-ENZ3QT5qd3/data/b01ece57a/ae2f8f3196b54b939f8fefa41ee9a765/FLAGb99a977c3 [2024-11-25 01:58:12,948 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650bda72-6db5-4e24-ae55-0f013c732208/bin/ukojak-verify-ENZ3QT5qd3/data/b01ece57a/ae2f8f3196b54b939f8fefa41ee9a765 [2024-11-25 01:58:12,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:58:12,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:58:12,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:12,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:58:12,961 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:58:12,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:12" (1/1) ... [2024-11-25 01:58:12,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cd651dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:12, skipping insertion in model container [2024-11-25 01:58:12,963 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:12" (1/1) ... [2024-11-25 01:58:12,983 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:58:13,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:13,205 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:58:13,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:13,244 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:58:13,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:13 WrapperNode [2024-11-25 01:58:13,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:13,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:13,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:58:13,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:58:13,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:13" (1/1) ... [2024-11-25 01:58:13,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:13" (1/1) ... [2024-11-25 01:58:13,286 INFO L138 Inliner]: procedures = 12, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2024-11-25 01:58:13,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:13,287 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:58:13,287 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:58:13,287 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:58:13,296 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:13" (1/1) ... [2024-11-25 01:58:13,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:13" (1/1) ... [2024-11-25 01:58:13,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:13" (1/1) ... [2024-11-25 01:58:13,303 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:13" (1/1) ... [2024-11-25 01:58:13,311 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:13" (1/1) ... [2024-11-25 01:58:13,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:13" (1/1) ... [2024-11-25 01:58:13,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:13" (1/1) ... [2024-11-25 01:58:13,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:13" (1/1) ... [2024-11-25 01:58:13,321 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:13" (1/1) ... [2024-11-25 01:58:13,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:58:13,325 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:58:13,325 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:58:13,326 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:58:13,329 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:13" (1/1) ... [2024-11-25 01:58:13,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:13,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650bda72-6db5-4e24-ae55-0f013c732208/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:58:13,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650bda72-6db5-4e24-ae55-0f013c732208/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:58:13,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650bda72-6db5-4e24-ae55-0f013c732208/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:58:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 01:58:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:58:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:58:13,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:58:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 01:58:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:58:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 01:58:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 01:58:13,506 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:58:13,508 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:58:13,685 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-25 01:58:13,686 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:58:13,727 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:58:13,728 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 01:58:13,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:13 BoogieIcfgContainer [2024-11-25 01:58:13,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:58:13,730 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:58:13,730 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:58:13,742 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:58:13,742 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:13" (1/1) ... [2024-11-25 01:58:13,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:58:13,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:13,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2024-11-25 01:58:13,832 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2024-11-25 01:58:13,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 01:58:13,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:13,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:14,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:14,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:14,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2024-11-25 01:58:14,224 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2024-11-25 01:58:14,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 01:58:14,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:14,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:14,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:14,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:14,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-25 01:58:14,569 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-25 01:58:14,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 01:58:14,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:14,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:14,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:14,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:14,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-11-25 01:58:14,650 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-11-25 01:58:14,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 01:58:14,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:14,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:14,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:14,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-25 01:58:14,860 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-25 01:58:14,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 01:58:14,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:14,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:15,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:15,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:15,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 01:58:15,430 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 01:58:15,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 01:58:15,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:15,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:15,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:16,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:16,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-25 01:58:16,244 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-25 01:58:16,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 01:58:16,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:16,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:16,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:17,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:17,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2024-11-25 01:58:17,588 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-11-25 01:58:17,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 01:58:17,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:17,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:17,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:19,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:19,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2024-11-25 01:58:19,097 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-25 01:58:19,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 01:58:19,098 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-25 01:58:19,109 INFO L726 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2024-11-25 01:58:19,188 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-25 01:58:19,189 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 01:58:19,191 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: (and (= |ULTIMATE.start_main_~#a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= (select (select |#memory_int| |ULTIMATE.start_main_~#a~0#1.base|) |ULTIMATE.start_main_~#a~0#1.offset|) 4) (= |ULTIMATE.start_main_~#a~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~#a~0#1.base|) 1) (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_main_~#a~0#1.base| 0)) (= (select |#length| |ULTIMATE.start_main_~p~0#1.base|) 4) (= |ULTIMATE.start_main_~p~0#1.offset| 0)) [2024-11-25 01:58:19,191 INFO L77 FloydHoareUtils]: At program point L23-1(line 23) the Hoare annotation is: (and (= |ULTIMATE.start_main_~#a~0#1.base| |ULTIMATE.start_main_~p~0#1.base|) (= |ULTIMATE.start_main_#t~mem4#1| 4) (= |ULTIMATE.start_main_~#a~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~#a~0#1.base|) 1) (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_main_~#a~0#1.base| 0)) (= (select |#length| |ULTIMATE.start_main_~p~0#1.base|) 4) (= |ULTIMATE.start_main_~p~0#1.offset| 0)) [2024-11-25 01:58:19,192 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-25 01:58:19,194 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-25 01:58:19,194 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 01:58:19,194 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 18 28) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-11-25 01:58:19,194 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK(lines 18 28) no Hoare annotation was computed. [2024-11-25 01:58:19,195 INFO L75 FloydHoareUtils]: For program point L3(line 3) no Hoare annotation was computed. [2024-11-25 01:58:19,196 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-25 01:58:19,196 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-25 01:58:19,197 INFO L77 FloydHoareUtils]: At program point L24(line 24) the Hoare annotation is: (and (= (select (select |#memory_int| |ULTIMATE.start_main_~p~0#1.base|) |ULTIMATE.start_main_~p~0#1.offset|) 0) (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_main_~#a~0#1.base| 0)) (= (select |#length| |ULTIMATE.start_main_~p~0#1.base|) 4) (= |ULTIMATE.start_main_~p~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~p~0#1.base|) 1)) [2024-11-25 01:58:19,198 INFO L77 FloydHoareUtils]: At program point L24-1(lines 24 26) the Hoare annotation is: (and (= |ULTIMATE.start_main_#t~mem5#1| 0) (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_main_~#a~0#1.base| 0))) [2024-11-25 01:58:19,200 INFO L77 FloydHoareUtils]: At program point L24-3(lines 24 26) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_main_~#a~0#1.base| 0)) [2024-11-25 01:58:19,200 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-25 01:58:19,200 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK(line 3) no Hoare annotation was computed. [2024-11-25 01:58:19,210 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-25 01:58:19,211 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-25 01:58:19,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 01:58:19 ImpRootNode [2024-11-25 01:58:19,215 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 01:58:19,215 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 01:58:19,216 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 01:58:19,216 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 01:58:19,217 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:13" (3/4) ... [2024-11-25 01:58:19,220 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 01:58:19,228 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-25 01:58:19,229 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-25 01:58:19,229 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 01:58:19,230 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 01:58:19,310 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650bda72-6db5-4e24-ae55-0f013c732208/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 01:58:19,311 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650bda72-6db5-4e24-ae55-0f013c732208/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 01:58:19,311 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 01:58:19,314 INFO L158 Benchmark]: Toolchain (without parser) took 6359.73ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 82.9MB in the end (delta: 10.6MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-11-25 01:58:19,315 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:19,315 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.48ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 82.9MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:58:19,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.54ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 81.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:19,316 INFO L158 Benchmark]: Boogie Preprocessor took 35.67ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 81.2MB in the end (delta: 640.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:19,316 INFO L158 Benchmark]: RCFGBuilder took 403.40ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 70.6MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 01:58:19,316 INFO L158 Benchmark]: CodeCheck took 5485.17ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 87.3MB in the end (delta: -17.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:19,317 INFO L158 Benchmark]: Witness Printer took 95.59ms. Allocated memory is still 117.4MB. Free memory was 87.3MB in the beginning and 82.9MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:58:19,319 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, 17 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 98 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 300 IncrementalHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 98 mSolverCounterUnsat, 2 mSDtfsCounter, 300 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 228 GetRequests, 154 SyntacticMatches, 2 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1880 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: 3]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.48ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 82.9MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.54ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 81.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.67ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 81.2MB in the end (delta: 640.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 403.40ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 70.6MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 5485.17ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 87.3MB in the end (delta: -17.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 95.59ms. Allocated memory is still 117.4MB. Free memory was 87.3MB in the beginning and 82.9MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid RESULT: Ultimate proved your program to be correct! [2024-11-25 01:58:19,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_650bda72-6db5-4e24-ae55-0f013c732208/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