./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/960521-1_1-3.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_76b6591e-94ce-4a9a-a1e3-5637828ca176/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b6591e-94ce-4a9a-a1e3-5637828ca176/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_76b6591e-94ce-4a9a-a1e3-5637828ca176/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b6591e-94ce-4a9a-a1e3-5637828ca176/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/960521-1_1-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b6591e-94ce-4a9a-a1e3-5637828ca176/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_76b6591e-94ce-4a9a-a1e3-5637828ca176/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 b78007c6b6ea6b815e47bde6b36f25c26c431b61fea97b83eeeefa52c8c4206a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:39:31,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:39:31,431 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b6591e-94ce-4a9a-a1e3-5637828ca176/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-05 22:39:31,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:39:31,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:39:31,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:39:31,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:39:31,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:39:31,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:39:31,457 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:39:31,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:39:31,457 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:39:31,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:39:31,457 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 22:39:31,457 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 22:39:31,457 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 22:39:31,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:39:31,458 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:39:31,458 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:39:31,458 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:39:31,458 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:39:31,458 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:39:31,458 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:39:31,458 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:39:31,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:39:31,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:39:31,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:39:31,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:39:31,459 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:39:31,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:39:31,459 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_76b6591e-94ce-4a9a-a1e3-5637828ca176/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 -> b78007c6b6ea6b815e47bde6b36f25c26c431b61fea97b83eeeefa52c8c4206a [2024-12-05 22:39:31,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:39:31,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:39:31,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:39:31,700 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:39:31,700 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:39:31,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b6591e-94ce-4a9a-a1e3-5637828ca176/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/list-ext-properties/960521-1_1-3.i [2024-12-05 22:39:34,332 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b6591e-94ce-4a9a-a1e3-5637828ca176/bin/ukojak-verify-CZk0znPC7b/data/2620238f3/41f2b0bf232c4b4fb63ed379bb8f367c/FLAGeafcc94e5 [2024-12-05 22:39:34,576 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:39:34,577 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b6591e-94ce-4a9a-a1e3-5637828ca176/sv-benchmarks/c/list-ext-properties/960521-1_1-3.i [2024-12-05 22:39:34,587 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b6591e-94ce-4a9a-a1e3-5637828ca176/bin/ukojak-verify-CZk0znPC7b/data/2620238f3/41f2b0bf232c4b4fb63ed379bb8f367c/FLAGeafcc94e5 [2024-12-05 22:39:34,601 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b6591e-94ce-4a9a-a1e3-5637828ca176/bin/ukojak-verify-CZk0znPC7b/data/2620238f3/41f2b0bf232c4b4fb63ed379bb8f367c [2024-12-05 22:39:34,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:39:34,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:39:34,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:39:34,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:39:34,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:39:34,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:39:34" (1/1) ... [2024-12-05 22:39:34,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa7538c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:34, skipping insertion in model container [2024-12-05 22:39:34,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:39:34" (1/1) ... [2024-12-05 22:39:34,634 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:39:34,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:39:34,858 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:39:34,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:39:34,913 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:39:34,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:34 WrapperNode [2024-12-05 22:39:34,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:39:34,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:39:34,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:39:34,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:39:34,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:34" (1/1) ... [2024-12-05 22:39:34,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:34" (1/1) ... [2024-12-05 22:39:34,944 INFO L138 Inliner]: procedures = 122, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-12-05 22:39:34,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:39:34,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:39:34,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:39:34,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:39:34,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:34" (1/1) ... [2024-12-05 22:39:34,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:34" (1/1) ... [2024-12-05 22:39:34,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:34" (1/1) ... [2024-12-05 22:39:34,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:34" (1/1) ... [2024-12-05 22:39:34,958 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:34" (1/1) ... [2024-12-05 22:39:34,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:34" (1/1) ... [2024-12-05 22:39:34,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:34" (1/1) ... [2024-12-05 22:39:34,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:34" (1/1) ... [2024-12-05 22:39:34,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:34" (1/1) ... [2024-12-05 22:39:34,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:39:34,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:39:34,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:39:34,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:39:34,967 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:39:34" (1/1) ... [2024-12-05 22:39:34,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:39:34,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b6591e-94ce-4a9a-a1e3-5637828ca176/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:39:34,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b6591e-94ce-4a9a-a1e3-5637828ca176/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:39:34,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b6591e-94ce-4a9a-a1e3-5637828ca176/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:39:35,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 22:39:35,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 22:39:35,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 22:39:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:39:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:39:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:39:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:39:35,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:39:35,096 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:39:35,097 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:39:35,249 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-12-05 22:39:35,249 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:39:35,283 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:39:35,283 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-05 22:39:35,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:39:35 BoogieIcfgContainer [2024-12-05 22:39:35,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:39:35,284 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:39:35,284 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:39:35,292 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:39:35,292 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:39:35" (1/1) ... [2024-12-05 22:39:35,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:39:35,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:35,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2024-12-05 22:39:35,350 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2024-12-05 22:39:35,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:39:35,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:35,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:35,461 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 22:39:35,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:35,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2024-12-05 22:39:35,482 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2024-12-05 22:39:35,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:39:35,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:35,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:35,578 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 22:39:35,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:35,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 46 states and 49 transitions. [2024-12-05 22:39:35,600 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2024-12-05 22:39:35,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:39:35,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:35,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:35,748 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 22:39:35,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:35,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 50 states and 56 transitions. [2024-12-05 22:39:35,874 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2024-12-05 22:39:35,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:39:35,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:35,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:36,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:39:36,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:36,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 48 states and 52 transitions. [2024-12-05 22:39:36,137 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2024-12-05 22:39:36,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:39:36,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:36,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:36,228 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 22:39:36,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:36,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2024-12-05 22:39:36,410 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2024-12-05 22:39:36,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:39:36,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:36,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:36,662 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 22:39:37,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:37,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 49 states and 55 transitions. [2024-12-05 22:39:37,315 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2024-12-05 22:39:37,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:39:37,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:37,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:37,379 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 22:39:37,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:37,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 51 states and 57 transitions. [2024-12-05 22:39:37,825 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2024-12-05 22:39:37,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:39:37,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:37,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:39:38,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:38,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 53 states and 61 transitions. [2024-12-05 22:39:38,286 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2024-12-05 22:39:38,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:39:38,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:38,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:38,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:39:38,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:38,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 55 states and 66 transitions. [2024-12-05 22:39:38,955 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2024-12-05 22:39:38,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:39:38,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:38,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:39,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:39:39,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:39,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 55 states and 65 transitions. [2024-12-05 22:39:39,686 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2024-12-05 22:39:39,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:39:39,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:39,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:39,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:39:40,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:40,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 57 states and 68 transitions. [2024-12-05 22:39:40,474 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2024-12-05 22:39:40,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:39:40,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:40,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:40,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:39:42,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:42,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 61 states and 77 transitions. [2024-12-05 22:39:42,882 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2024-12-05 22:39:42,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:39:42,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:42,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:42,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:39:43,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:43,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2024-12-05 22:39:43,205 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2024-12-05 22:39:43,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:39:43,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:43,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:43,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:39:45,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:45,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2024-12-05 22:39:45,915 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2024-12-05 22:39:45,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:39:45,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:45,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:46,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:39:46,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:46,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 70 states and 95 transitions. [2024-12-05 22:39:46,907 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 95 transitions. [2024-12-05 22:39:46,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:39:46,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:46,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:46,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:39:46,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:46,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 71 states and 95 transitions. [2024-12-05 22:39:46,936 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 95 transitions. [2024-12-05 22:39:46,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:39:46,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:46,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:47,320 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:39:50,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:50,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 80 states and 108 transitions. [2024-12-05 22:39:50,019 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 108 transitions. [2024-12-05 22:39:50,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:39:50,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:50,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:50,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:39:52,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:52,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 87 states and 120 transitions. [2024-12-05 22:39:52,739 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 120 transitions. [2024-12-05 22:39:52,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:39:52,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:52,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:52,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:39:52,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:52,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 89 states and 121 transitions. [2024-12-05 22:39:52,778 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 121 transitions. [2024-12-05 22:39:52,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:39:52,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:52,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:52,817 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 22:39:54,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:54,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 92 states and 127 transitions. [2024-12-05 22:39:54,133 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 127 transitions. [2024-12-05 22:39:54,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:39:54,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:54,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:54,169 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:39:55,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:55,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 94 states and 129 transitions. [2024-12-05 22:39:55,399 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 129 transitions. [2024-12-05 22:39:55,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:39:55,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:55,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:55,424 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 22:39:55,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:39:55,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 95 states and 130 transitions. [2024-12-05 22:39:55,446 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 130 transitions. [2024-12-05 22:39:55,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:39:55,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:39:55,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:39:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:39:56,192 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:40:00,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:00,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 100 states and 143 transitions. [2024-12-05 22:40:00,151 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2024-12-05 22:40:00,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:40:00,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:00,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:40:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:00,285 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:40:00,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:00,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 101 states and 145 transitions. [2024-12-05 22:40:00,857 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 145 transitions. [2024-12-05 22:40:00,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:40:00,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:00,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:40:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:00,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:02,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:02,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 107 states and 155 transitions. [2024-12-05 22:40:02,325 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2024-12-05 22:40:02,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:40:02,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:02,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:40:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:02,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:02,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:02,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 110 states and 158 transitions. [2024-12-05 22:40:02,373 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2024-12-05 22:40:02,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:40:02,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:02,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:40:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:40:03,464 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:40:05,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:40:05,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 112 states and 165 transitions. [2024-12-05 22:40:05,279 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 165 transitions. [2024-12-05 22:40:05,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:40:05,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:40:05,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:40:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:40:05,287 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:40:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:40:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:40:05,339 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:40:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:40:05,363 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 28 iterations. [2024-12-05 22:40:05,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:40:05 ImpRootNode [2024-12-05 22:40:05,389 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:40:05,389 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:40:05,389 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:40:05,390 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:40:05,390 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:39:35" (3/4) ... [2024-12-05 22:40:05,391 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 22:40:05,428 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-12-05 22:40:05,471 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b6591e-94ce-4a9a-a1e3-5637828ca176/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:40:05,471 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b6591e-94ce-4a9a-a1e3-5637828ca176/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:40:05,471 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:40:05,472 INFO L158 Benchmark]: Toolchain (without parser) took 30867.78ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 117.2MB in the beginning and 219.0MB in the end (delta: -101.8MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2024-12-05 22:40:05,472 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:40:05,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.08ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 100.0MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:40:05,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.02ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 98.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:40:05,473 INFO L158 Benchmark]: Boogie Preprocessor took 21.14ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 97.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:40:05,474 INFO L158 Benchmark]: RCFGBuilder took 317.66ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 81.9MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:40:05,474 INFO L158 Benchmark]: CodeCheck took 30104.49ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 81.9MB in the beginning and 225.3MB in the end (delta: -143.4MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-12-05 22:40:05,474 INFO L158 Benchmark]: Witness Printer took 82.02ms. Allocated memory is still 302.0MB. Free memory was 225.3MB in the beginning and 219.0MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:40:05,476 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, 47 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 30.1s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2163 SdHoareTripleChecker+Valid, 12.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1453 mSDsluCounter, 827 SdHoareTripleChecker+Invalid, 11.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 392 mSDsCounter, 2076 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7810 IncrementalHoareTripleChecker+Invalid, 9886 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2076 mSolverCounterUnsat, 435 mSDtfsCounter, 7810 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2641 GetRequests, 2250 SyntacticMatches, 47 SemanticMatches, 344 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55958 ImplicationChecksByTransitivity, 26.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 304 NumberOfCodeBlocks, 304 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 1756 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 18 PerfectInterpolantSequences, 39/71 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 - CounterExampleResult [Line: 547]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L523] int *a, *b; [L524] int n; [L536] n = 1 VAL [a={0:0}, b={0:0}, n=1] [L537] COND FALSE !(__VERIFIER_nondet_int() && n < 30) [L540] a = malloc(n * sizeof(*a)) [L541] b = malloc(n * sizeof(*b)) [L542] EXPR b++ VAL [a={-9978:0}, b={-9977:4}, n=1] [L542] *b++ = 0 [L543] CALL foo() [L528] int i; [L529] i = 0 VAL [a={-9978:0}, b={-9977:4}, i=0, n=1] [L529] COND TRUE i < n VAL [a={-9978:0}, b={-9977:4}, i=0, n=1] [L530] a[i] = -1 [L529] i++ VAL [a={-9978:0}, b={-9977:4}, i=1, n=1] [L529] COND FALSE !(i < n) [L531] i = 0 VAL [a={-9978:0}, b={-9977:4}, i=0, n=1] [L531] COND FALSE !(i < n - 1) [L543] RET foo() [L544] b[-1] VAL [a={-9978:0}, b={-9977:4}, n=1] [L544] COND FALSE !(b[-1]) [L547] free(a) VAL [a={-9978:0}, b={-9977:4}, n=1] [L547] free(a) VAL [a={-9978:0}, b={-9977:4}, n=1] [L547] free(a) [L547] free(b) VAL [a={-9978:0}, b={-9977:4}, n=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.08ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 100.0MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.02ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 98.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.14ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 97.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 317.66ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 81.9MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 30104.49ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 81.9MB in the beginning and 225.3MB in the end (delta: -143.4MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Witness Printer took 82.02ms. Allocated memory is still 302.0MB. Free memory was 225.3MB in the beginning and 219.0MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 22:40:05,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76b6591e-94ce-4a9a-a1e3-5637828ca176/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free)