./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16.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_e184614c-f68e-424a-95db-3a817018016a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e184614c-f68e-424a-95db-3a817018016a/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_e184614c-f68e-424a-95db-3a817018016a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e184614c-f68e-424a-95db-3a817018016a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e184614c-f68e-424a-95db-3a817018016a/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_e184614c-f68e-424a-95db-3a817018016a/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 c11af8296bfd5ac190948fd112a042e269f74b0ed21dcbb0764a4b3dab5067a3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:08:10,606 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:08:10,696 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e184614c-f68e-424a-95db-3a817018016a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-25 05:08:10,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:08:10,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:08:10,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:08:10,740 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:08:10,741 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:08:10,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:08:10,742 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:08:10,743 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:08:10,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:08:10,743 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:08:10,743 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 05:08:10,743 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 05:08:10,744 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 05:08:10,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:08:10,744 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:08:10,744 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:08:10,745 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:08:10,745 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:08:10,745 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:08:10,745 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:08:10,745 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:08:10,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:08:10,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:08:10,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:08:10,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:08:10,746 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:08:10,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:08:10,747 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_e184614c-f68e-424a-95db-3a817018016a/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 -> c11af8296bfd5ac190948fd112a042e269f74b0ed21dcbb0764a4b3dab5067a3 [2024-11-25 05:08:11,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:08:11,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:08:11,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:08:11,089 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:08:11,090 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:08:11,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e184614c-f68e-424a-95db-3a817018016a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2024-11-25 05:08:14,054 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e184614c-f68e-424a-95db-3a817018016a/bin/ukojak-verify-ENZ3QT5qd3/data/95f253520/720bed8e6214412db5c8b15eca2e516f/FLAG2ecf4b95f [2024-11-25 05:08:14,419 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:08:14,420 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e184614c-f68e-424a-95db-3a817018016a/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2024-11-25 05:08:14,434 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e184614c-f68e-424a-95db-3a817018016a/bin/ukojak-verify-ENZ3QT5qd3/data/95f253520/720bed8e6214412db5c8b15eca2e516f/FLAG2ecf4b95f [2024-11-25 05:08:14,449 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e184614c-f68e-424a-95db-3a817018016a/bin/ukojak-verify-ENZ3QT5qd3/data/95f253520/720bed8e6214412db5c8b15eca2e516f [2024-11-25 05:08:14,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:08:14,456 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:08:14,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:08:14,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:08:14,463 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:08:14,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:08:14" (1/1) ... [2024-11-25 05:08:14,466 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad9b186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:14, skipping insertion in model container [2024-11-25 05:08:14,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:08:14" (1/1) ... [2024-11-25 05:08:14,500 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:08:14,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:08:14,926 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:08:15,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:08:15,075 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:08:15,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:15 WrapperNode [2024-11-25 05:08:15,076 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:08:15,077 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:08:15,077 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:08:15,077 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:08:15,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:15" (1/1) ... [2024-11-25 05:08:15,110 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:15" (1/1) ... [2024-11-25 05:08:15,134 INFO L138 Inliner]: procedures = 166, calls = 71, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 47 [2024-11-25 05:08:15,136 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:08:15,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:08:15,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:08:15,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:08:15,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:15" (1/1) ... [2024-11-25 05:08:15,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:15" (1/1) ... [2024-11-25 05:08:15,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:15" (1/1) ... [2024-11-25 05:08:15,153 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:15" (1/1) ... [2024-11-25 05:08:15,158 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:15" (1/1) ... [2024-11-25 05:08:15,162 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:15" (1/1) ... [2024-11-25 05:08:15,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:15" (1/1) ... [2024-11-25 05:08:15,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:15" (1/1) ... [2024-11-25 05:08:15,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:15" (1/1) ... [2024-11-25 05:08:15,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:08:15,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:08:15,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:08:15,176 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:08:15,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:08:15" (1/1) ... [2024-11-25 05:08:15,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:08:15,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e184614c-f68e-424a-95db-3a817018016a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:08:15,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e184614c-f68e-424a-95db-3a817018016a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:08:15,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e184614c-f68e-424a-95db-3a817018016a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:08:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 05:08:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:08:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 05:08:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-25 05:08:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:08:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:08:15,405 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:08:15,407 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:08:15,546 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-25 05:08:15,546 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:08:15,644 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:08:15,644 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:08:15,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:08:15 BoogieIcfgContainer [2024-11-25 05:08:15,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:08:15,646 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:08:15,646 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:08:15,657 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:08:15,658 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:08:15" (1/1) ... [2024-11-25 05:08:15,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:08:15,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:15,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 05:08:15,730 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 05:08:15,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 05:08:15,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:15,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:16,050 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 05:08:16,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:16,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-25 05:08:16,126 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-25 05:08:16,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:08:16,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:16,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:16,364 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 05:08:16,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:16,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-11-25 05:08:16,648 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-11-25 05:08:16,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:08:16,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:16,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:16,802 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 05:08:16,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:16,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 05:08:16,959 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 05:08:16,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:08:16,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:16,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:17,170 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 05:08:17,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:17,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-25 05:08:17,774 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-25 05:08:17,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:08:17,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:08:17,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:08:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:08:18,129 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 05:08:18,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:08:18,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-11-25 05:08:18,967 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-11-25 05:08:18,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 05:08:18,968 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-25 05:08:18,976 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-25 05:08:19,043 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 05:08:19,043 INFO L77 FloydHoareUtils]: At program point L768(lines 768 770) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_free_16_~condition#1| 0))) (and (or .cse0 (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_free_16_~p#1.base| 0))) (or (= 0 |ULTIMATE.start_free_16_~p#1.base|) .cse0 (= 1 (select |#valid| |ULTIMATE.start_free_16_~p#1.base|))) (or (< |ULTIMATE.start_free_16_~p#1.base| |#StackHeapBarrier|) .cse0) (or .cse0 (= |ULTIMATE.start_free_16_~p#1.offset| 0)) (or (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (not .cse0)))) [2024-11-25 05:08:19,044 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE(line 769) no Hoare annotation was computed. [2024-11-25 05:08:19,044 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_FREE(line 769) no Hoare annotation was computed. [2024-11-25 05:08:19,044 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK(lines 777 779) no Hoare annotation was computed. [2024-11-25 05:08:19,044 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 05:08:19,044 INFO L77 FloydHoareUtils]: At program point L777(lines 777 779) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-11-25 05:08:19,045 INFO L77 FloydHoareUtils]: At program point L769(line 769) the Hoare annotation is: (and (< |ULTIMATE.start_free_16_~p#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_free_16_~p#1.base| 0)) (or (= 0 |ULTIMATE.start_free_16_~p#1.base|) (= 1 (select |#valid| |ULTIMATE.start_free_16_~p#1.base|))) (= |ULTIMATE.start_free_16_~p#1.offset| 0)) [2024-11-25 05:08:19,045 INFO L77 FloydHoareUtils]: At program point L769-1(line 769) the Hoare annotation is: (and (< |ULTIMATE.start_free_16_~p#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_free_16_~p#1.base| 0)) (or (= 0 |ULTIMATE.start_free_16_~p#1.base|) (= 1 (select |#valid| |ULTIMATE.start_free_16_~p#1.base|)))) [2024-11-25 05:08:19,045 INFO L77 FloydHoareUtils]: At program point L769-2(line 769) the Hoare annotation is: (and (= |ULTIMATE.start_main_old_#valid#1| (store |#valid| |ULTIMATE.start_free_16_~p#1.base| 0)) (or (= 0 |ULTIMATE.start_free_16_~p#1.base|) (= 1 (select |#valid| |ULTIMATE.start_free_16_~p#1.base|)))) [2024-11-25 05:08:19,045 INFO L77 FloydHoareUtils]: At program point L767(lines 767 771) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-11-25 05:08:19,045 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_FREE(line 769) no Hoare annotation was computed. [2024-11-25 05:08:19,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:08:19 ImpRootNode [2024-11-25 05:08:19,053 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:08:19,054 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:08:19,054 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:08:19,054 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:08:19,055 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:08:15" (3/4) ... [2024-11-25 05:08:19,057 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 05:08:19,063 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-25 05:08:19,065 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-25 05:08:19,065 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 05:08:19,157 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e184614c-f68e-424a-95db-3a817018016a/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:08:19,158 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e184614c-f68e-424a-95db-3a817018016a/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:08:19,158 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:08:19,161 INFO L158 Benchmark]: Toolchain (without parser) took 4706.18ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 92.9MB in the beginning and 227.8MB in the end (delta: -134.8MB). Peak memory consumption was 97.3MB. Max. memory is 16.1GB. [2024-11-25 05:08:19,162 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:08:19,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 619.37ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 71.1MB in the end (delta: 21.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:08:19,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.04ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 69.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:08:19,164 INFO L158 Benchmark]: Boogie Preprocessor took 37.79ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 68.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:08:19,164 INFO L158 Benchmark]: RCFGBuilder took 469.20ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 51.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:08:19,164 INFO L158 Benchmark]: CodeCheck took 3407.33ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 51.3MB in the beginning and 232.5MB in the end (delta: -181.2MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2024-11-25 05:08:19,165 INFO L158 Benchmark]: Witness Printer took 104.32ms. Allocated memory is still 352.3MB. Free memory was 232.5MB in the beginning and 227.8MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:08:19,167 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 77 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 180 IncrementalHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 77 mSolverCounterUnsat, 0 mSDtfsCounter, 180 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 111 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1240 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 110 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 769]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 769]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 769]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 777]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 619.37ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 71.1MB in the end (delta: 21.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.04ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 69.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.79ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 68.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 469.20ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 51.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3407.33ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 51.3MB in the beginning and 232.5MB in the end (delta: -181.2MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. * Witness Printer took 104.32ms. Allocated memory is still 352.3MB. Free memory was 232.5MB in the beginning and 227.8MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 05:08:19,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e184614c-f68e-424a-95db-3a817018016a/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