./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.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_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 165c3d31baf6e9e6eb3241886fc1e2aed511e6788979a2e699609d2c8b9e748b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:26:50,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:26:50,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-05 21:26:50,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:26:50,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:26:50,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:26:50,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:26:50,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:26:50,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:26:50,901 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:26:50,902 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:26:50,902 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:26:50,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:26:50,902 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 21:26:50,902 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 21:26:50,902 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 21:26:50,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:26:50,903 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:26:50,903 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:26:50,903 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:26:50,903 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:26:50,903 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:26:50,903 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:26:50,903 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:26:50,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:26:50,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:50,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:26:50,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:26:50,904 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:26:50,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:26:50,904 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_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 165c3d31baf6e9e6eb3241886fc1e2aed511e6788979a2e699609d2c8b9e748b [2024-12-05 21:26:51,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:26:51,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:26:51,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:26:51,171 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:26:51,171 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:26:51,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2024-12-05 21:26:53,826 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/data/2d1b3e863/c64b8e8d1c3e41df892cdaeb7a34c1e7/FLAG9a9a0a8c6 [2024-12-05 21:26:54,059 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:26:54,059 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2024-12-05 21:26:54,070 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/data/2d1b3e863/c64b8e8d1c3e41df892cdaeb7a34c1e7/FLAG9a9a0a8c6 [2024-12-05 21:26:54,392 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/data/2d1b3e863/c64b8e8d1c3e41df892cdaeb7a34c1e7 [2024-12-05 21:26:54,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:26:54,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:26:54,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:26:54,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:26:54,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:26:54,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38efcfa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54, skipping insertion in model container [2024-12-05 21:26:54,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,425 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:26:54,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:26:54,672 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:26:54,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:26:54,728 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:26:54,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54 WrapperNode [2024-12-05 21:26:54,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:26:54,729 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:26:54,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:26:54,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:26:54,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,763 INFO L138 Inliner]: procedures = 117, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-12-05 21:26:54,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:26:54,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:26:54,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:26:54,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:26:54,770 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,773 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,773 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,778 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,778 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,782 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:26:54,786 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:26:54,786 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:26:54,786 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:26:54,787 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:26:54" (1/1) ... [2024-12-05 21:26:54,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:54,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:26:54,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:26:54,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:26:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 21:26:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 21:26:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 21:26:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:26:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:26:54,929 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:26:54,930 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:26:55,037 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-12-05 21:26:55,037 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:26:55,078 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:26:55,078 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:26:55,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:55 BoogieIcfgContainer [2024-12-05 21:26:55,078 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:26:55,079 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:26:55,079 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:26:55,086 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:26:55,086 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:55" (1/1) ... [2024-12-05 21:26:55,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:26:55,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:55,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-12-05 21:26:55,131 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-12-05 21:26:55,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 21:26:55,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:55,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:55,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:26:55,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:55,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-12-05 21:26:55,280 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-12-05 21:26:55,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:26:55,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:55,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:55,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:26:55,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:55,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-12-05 21:26:55,357 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-12-05 21:26:55,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:26:55,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:55,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:55,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:26:55,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:55,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-05 21:26:55,564 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-05 21:26:55,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:26:55,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:55,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:55,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:26:55,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:55,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-12-05 21:26:55,905 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-12-05 21:26:55,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:26:55,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:55,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:26:56,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:26:56,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:26:56,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-12-05 21:26:56,300 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-12-05 21:26:56,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:26:56,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:26:56,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:26:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:26:56,318 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:26:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:26:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:26:56,376 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:26:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:26:56,404 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-12-05 21:26:56,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:26:56 ImpRootNode [2024-12-05 21:26:56,427 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:26:56,428 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:26:56,428 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:26:56,428 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:26:56,428 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:26:55" (3/4) ... [2024-12-05 21:26:56,431 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 21:26:56,431 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:26:56,432 INFO L158 Benchmark]: Toolchain (without parser) took 2037.71ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 54.8MB in the end (delta: 61.3MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2024-12-05 21:26:56,433 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:26:56,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.31ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 99.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:26:56,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.04ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 98.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:26:56,434 INFO L158 Benchmark]: Boogie Preprocessor took 21.37ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 97.2MB in the end (delta: 852.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:26:56,434 INFO L158 Benchmark]: RCFGBuilder took 292.43ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 82.1MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:26:56,434 INFO L158 Benchmark]: CodeCheck took 1348.35ms. Allocated memory is still 142.6MB. Free memory was 81.9MB in the beginning and 54.8MB in the end (delta: 27.1MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-12-05 21:26:56,435 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 142.6MB. Free memory was 54.8MB in the beginning and 54.8MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:26:56,436 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, 10 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 130 IncrementalHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 10 mSDtfsCounter, 130 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 68 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 - UnprovableResult [Line: 525]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 525. Possible FailurePath: [L512] int num; [L513] int ind, newsize, i = 1; [L526] num = __VERIFIER_nondet_int() [L527] COND FALSE !(!(num > 0 && num < 100)) [L530] int *a = (int *)malloc(sizeof(int)); [L531] COND FALSE !(a == ((void *)0)) [L534] newsize = 0 [L535] CALL expandArray(a) [L515] int *a = (int *)arg; VAL [a={28937:0}, i=1, ind=0, newsize=0, num=1] [L516] COND TRUE newsize < num [L517] newsize = newsize + 1 [L518] int *b = ((void *)0); [L519] EXPR, FCALL realloc(a, sizeof(int) * newsize) [L519] b = realloc(a, sizeof(int) * newsize) [L520] b[newsize - 1] = i [L521] a = b [L516] COND FALSE !(newsize < num) [L523] return 0; [L535] RET expandArray(a) [L536] return 0; VAL [\result=0, i=1, ind=0, newsize=1, num=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.31ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 99.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.04ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 98.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.37ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 97.2MB in the end (delta: 852.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 292.43ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 82.1MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1348.35ms. Allocated memory is still 142.6MB. Free memory was 81.9MB in the beginning and 54.8MB in the end (delta: 27.1MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 142.6MB. Free memory was 54.8MB in the beginning and 54.8MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 21:26:56,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 165c3d31baf6e9e6eb3241886fc1e2aed511e6788979a2e699609d2c8b9e748b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:26:58,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:26:58,556 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-05 21:26:58,583 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:26:58,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:26:58,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:26:58,585 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:26:58,585 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:26:58,585 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:26:58,585 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:26:58,585 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:26:58,586 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 21:26:58,586 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 21:26:58,586 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 21:26:58,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:26:58,586 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:26:58,586 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:26:58,586 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:26:58,587 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:26:58,587 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:26:58,587 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:26:58,587 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:26:58,587 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:26:58,587 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:26:58,587 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:26:58,587 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:26:58,588 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:26:58,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:26:58,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:58,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:26:58,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:26:58,588 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:26:58,588 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:26:58,588 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:26:58,589 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_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 165c3d31baf6e9e6eb3241886fc1e2aed511e6788979a2e699609d2c8b9e748b [2024-12-05 21:26:58,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:26:58,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:26:58,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:26:58,862 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:26:58,862 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:26:58,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2024-12-05 21:27:01,516 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/data/0d3883c3c/ee7730b1edcb480aa9edd822ee9fc020/FLAGd614d26b6 [2024-12-05 21:27:01,760 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:27:01,760 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/sv-benchmarks/c/array-memsafety-realloc/array-realloc-3.i [2024-12-05 21:27:01,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/data/0d3883c3c/ee7730b1edcb480aa9edd822ee9fc020/FLAGd614d26b6 [2024-12-05 21:27:02,072 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/data/0d3883c3c/ee7730b1edcb480aa9edd822ee9fc020 [2024-12-05 21:27:02,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:27:02,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:27:02,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:27:02,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:27:02,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:27:02,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5607b320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02, skipping insertion in model container [2024-12-05 21:27:02,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,106 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:27:02,301 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 21:27:02,313 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 21:27:02,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:27:02,325 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:27:02,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:27:02,386 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:27:02,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02 WrapperNode [2024-12-05 21:27:02,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:27:02,387 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:27:02,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:27:02,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:27:02,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,418 INFO L138 Inliner]: procedures = 118, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-12-05 21:27:02,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:27:02,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:27:02,419 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:27:02,419 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:27:02,424 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,432 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:27:02,439 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:27:02,439 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:27:02,439 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:27:02,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:27:02,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:27:02,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:27:02,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:27:02,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 21:27:02,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 21:27:02,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-05 21:27:02,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:27:02,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:27:02,589 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:27:02,590 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:27:02,745 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-12-05 21:27:02,746 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:27:02,796 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:27:02,796 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:27:02,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:02 BoogieIcfgContainer [2024-12-05 21:27:02,796 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:27:02,797 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:27:02,797 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:27:02,805 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:27:02,805 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:02" (1/1) ... [2024-12-05 21:27:02,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:27:02,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:02,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-12-05 21:27:02,845 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-12-05 21:27:02,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 21:27:02,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:02,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:27:02,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:27:02,849 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:27:02,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 21:27:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:02,922 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:27:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:02,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 21:27:02,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:02,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:27:02,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 21:27:03,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:03,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-12-05 21:27:03,002 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-12-05 21:27:03,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:27:03,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:03,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:27:03,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:27:03,005 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:27:03,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 21:27:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:03,070 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:27:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:03,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 21:27:03,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:03,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:27:03,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 21:27:03,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:03,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-12-05 21:27:03,129 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-12-05 21:27:03,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:27:03,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:03,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:27:03,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:27:03,131 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:27:03,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 21:27:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:03,203 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:27:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:03,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 21:27:03,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:03,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:27:03,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 21:27:03,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:03,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-05 21:27:03,459 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-05 21:27:03,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:27:03,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:03,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:27:03,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:27:03,463 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:27:03,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 21:27:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:03,559 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:27:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:03,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 21:27:03,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:03,691 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-12-05 21:27:03,708 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:27:03,710 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-05 21:27:03,716 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:27:03,716 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-05 21:27:03,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 21:27:03,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:27:03,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 21:27:04,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:04,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2024-12-05 21:27:04,046 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2024-12-05 21:27:04,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 21:27:04,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:04,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:27:04,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:27:04,049 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:27:04,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 21:27:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:04,139 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:27:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:04,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 21:27:04,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:27:04,212 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-12-05 21:27:04,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:27:04,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2024-12-05 21:27:04,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 21:27:04,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-12-05 21:27:04,243 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:27:04,243 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-05 21:27:04,251 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 21:27:04,252 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-05 21:27:04,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:27:04,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-05 21:27:04,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:04,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-12-05 21:27:04,554 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-12-05 21:27:04,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:27:04,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:04,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:27:04,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:27:04,557 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:27:04,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 21:27:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:27:04,674 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:27:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:27:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:27:04,775 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:27:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:27:04,807 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-12-05 21:27:04,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 21:27:04,808 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-12-05 21:27:04,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:27:04 ImpRootNode [2024-12-05 21:27:04,831 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:27:04,832 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:27:04,832 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:27:04,832 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:27:04,833 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:02" (3/4) ... [2024-12-05 21:27:04,835 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 21:27:04,836 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:27:04,837 INFO L158 Benchmark]: Toolchain (without parser) took 2761.62ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 40.7MB in the end (delta: 27.8MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2024-12-05 21:27:04,838 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:27:04,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.86ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 51.3MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:27:04,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.32ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 49.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:27:04,839 INFO L158 Benchmark]: Boogie Preprocessor took 19.68ms. Allocated memory is still 92.3MB. Free memory was 49.8MB in the beginning and 48.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:27:04,839 INFO L158 Benchmark]: RCFGBuilder took 357.32ms. Allocated memory is still 92.3MB. Free memory was 48.6MB in the beginning and 61.2MB in the end (delta: -12.7MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-12-05 21:27:04,840 INFO L158 Benchmark]: CodeCheck took 2034.29ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 40.8MB in the end (delta: 20.5MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-12-05 21:27:04,840 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 92.3MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 23.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:27:04,842 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, 10 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 140 IncrementalHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 10 mSDtfsCounter, 140 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 93 SizeOfPredicates, 9 NumberOfNonLiveVariables, 137 ConjunctsInSsa, 24 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 - UnprovableResult [Line: 525]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 525. Possible FailurePath: [L512] int num; [L513] int ind, newsize, i = 1; [L526] num = __VERIFIER_nondet_int() [L527] COND FALSE !(!(num > 0 && num < 100)) [L530] int *a = (int *)malloc(sizeof(int)); [L531] COND FALSE !(a == ((void *)0)) [L534] newsize = 0 [L535] CALL expandArray(a) [L515] int *a = (int *)arg; VAL [a={1:0}, i=1, ind=0, newsize=0, num=1] [L516] COND TRUE newsize < num [L517] newsize = newsize + 1 [L518] int *b = ((void *)0); [L519] EXPR, FCALL realloc(a, sizeof(int) * newsize) [L519] b = realloc(a, sizeof(int) * newsize) [L520] b[newsize - 1] = i [L521] a = b [L516] COND FALSE !(newsize < num) [L523] return 0; [L535] RET expandArray(a) [L536] return 0; VAL [\result=0, i=1, ind=0, newsize=1, num=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.86ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 51.3MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.32ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 49.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.68ms. Allocated memory is still 92.3MB. Free memory was 49.8MB in the beginning and 48.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 357.32ms. Allocated memory is still 92.3MB. Free memory was 48.6MB in the beginning and 61.2MB in the end (delta: -12.7MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * CodeCheck took 2034.29ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 40.8MB in the end (delta: 20.5MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Witness Printer took 4.41ms. Allocated memory is still 92.3MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 23.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 21:27:04,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635fc756-e456-4578-8b27-57a78c755583/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample