./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.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_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/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_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/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_a7e51280-ba41-4694-8dbd-2ae32fa92c38/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 6b0035e4df062aac8021cee981905a3c98f2d4e312e33b913ded157af60b9640 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:46:19,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:46:19,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 05:46:19,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:46:19,735 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:46:19,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:46:19,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:46:19,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:46:19,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:46:19,754 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:46:19,754 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:46:19,754 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:46:19,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:46:19,754 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 05:46:19,754 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 05:46:19,754 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 05:46:19,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:46:19,755 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:46:19,755 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:46:19,755 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:46:19,755 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:46:19,755 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:46:19,755 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:46:19,755 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:46:19,755 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:46:19,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:46:19,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:46:19,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:46:19,756 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:46:19,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:46:19,756 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_a7e51280-ba41-4694-8dbd-2ae32fa92c38/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 -> 6b0035e4df062aac8021cee981905a3c98f2d4e312e33b913ded157af60b9640 [2024-12-06 05:46:19,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:46:19,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:46:19,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:46:19,962 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:46:19,962 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:46:19,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i [2024-12-06 05:46:22,564 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/data/5e7c2e82a/f12f91ffaada42f8a65fa9645ac1c1f1/FLAG60715728b [2024-12-06 05:46:22,785 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:46:22,786 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i [2024-12-06 05:46:22,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/data/5e7c2e82a/f12f91ffaada42f8a65fa9645ac1c1f1/FLAG60715728b [2024-12-06 05:46:23,133 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/data/5e7c2e82a/f12f91ffaada42f8a65fa9645ac1c1f1 [2024-12-06 05:46:23,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:46:23,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:46:23,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:46:23,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:46:23,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:46:23,140 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:46:23" (1/1) ... [2024-12-06 05:46:23,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e2d08d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:23, skipping insertion in model container [2024-12-06 05:46:23,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:46:23" (1/1) ... [2024-12-06 05:46:23,165 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:46:23,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:46:23,394 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:46:23,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:46:23,451 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:46:23,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:23 WrapperNode [2024-12-06 05:46:23,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:46:23,453 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:46:23,453 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:46:23,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:46:23,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:23" (1/1) ... [2024-12-06 05:46:23,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:23" (1/1) ... [2024-12-06 05:46:23,484 INFO L138 Inliner]: procedures = 114, calls = 11, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 41 [2024-12-06 05:46:23,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:46:23,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:46:23,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:46:23,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:46:23,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:23" (1/1) ... [2024-12-06 05:46:23,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:23" (1/1) ... [2024-12-06 05:46:23,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:23" (1/1) ... [2024-12-06 05:46:23,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:23" (1/1) ... [2024-12-06 05:46:23,499 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:23" (1/1) ... [2024-12-06 05:46:23,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:23" (1/1) ... [2024-12-06 05:46:23,501 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:23" (1/1) ... [2024-12-06 05:46:23,502 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:23" (1/1) ... [2024-12-06 05:46:23,503 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:23" (1/1) ... [2024-12-06 05:46:23,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:46:23,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:46:23,505 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:46:23,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:46:23,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:23" (1/1) ... [2024-12-06 05:46:23,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:46:23,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:46:23,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:46:23,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:46:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 05:46:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 05:46:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 05:46:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:46:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:46:23,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:46:23,635 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:46:23,637 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:46:23,756 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-12-06 05:46:23,756 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:46:23,785 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:46:23,785 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:46:23,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:46:23 BoogieIcfgContainer [2024-12-06 05:46:23,786 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:46:23,787 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:46:23,787 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:46:23,794 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:46:23,794 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:46:23" (1/1) ... [2024-12-06 05:46:23,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:46:23,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:23,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2024-12-06 05:46:23,844 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2024-12-06 05:46:23,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:46:23,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:23,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:46:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:24,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:24,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:24,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2024-12-06 05:46:24,128 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2024-12-06 05:46:24,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:46:24,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:24,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:46:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:24,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:24,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:24,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2024-12-06 05:46:24,577 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2024-12-06 05:46:24,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:46:24,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:24,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:46:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:24,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:24,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:24,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2024-12-06 05:46:24,620 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2024-12-06 05:46:24,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:46:24,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:24,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:46:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:24,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:24,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:24,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2024-12-06 05:46:24,664 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2024-12-06 05:46:24,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:46:24,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:24,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:46:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:24,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:25,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:25,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2024-12-06 05:46:25,432 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-12-06 05:46:25,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:46:25,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:25,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:46:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:25,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:26,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:26,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2024-12-06 05:46:26,289 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-12-06 05:46:26,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:46:26,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:26,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:46:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:26,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:26,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:26,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2024-12-06 05:46:26,460 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-12-06 05:46:26,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:46:26,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:26,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:46:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:26,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:26,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:26,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2024-12-06 05:46:26,658 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-12-06 05:46:26,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:46:26,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:26,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:46:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:26,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:28,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:28,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2024-12-06 05:46:28,238 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2024-12-06 05:46:28,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:46:28,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:28,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:46:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:28,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:30,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:30,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-12-06 05:46:30,203 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-12-06 05:46:30,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 05:46:30,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:30,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:46:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:30,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:30,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:30,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2024-12-06 05:46:30,648 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-12-06 05:46:30,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:46:30,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:30,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:46:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:46:30,658 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:46:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:46:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:46:30,700 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:46:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:46:30,723 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2024-12-06 05:46:30,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:46:30 ImpRootNode [2024-12-06 05:46:30,746 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:46:30,746 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:46:30,746 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:46:30,747 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:46:30,747 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:46:23" (3/4) ... [2024-12-06 05:46:30,750 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:46:30,750 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:46:30,751 INFO L158 Benchmark]: Toolchain (without parser) took 7615.37ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 70.1MB in the end (delta: 23.0MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2024-12-06 05:46:30,752 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:46:30,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.79ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 76.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:46:30,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.45ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:46:30,752 INFO L158 Benchmark]: Boogie Preprocessor took 19.52ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 74.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:46:30,753 INFO L158 Benchmark]: RCFGBuilder took 280.87ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 61.1MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:46:30,753 INFO L158 Benchmark]: CodeCheck took 6959.21ms. Allocated memory is still 117.4MB. Free memory was 61.1MB in the beginning and 70.1MB in the end (delta: -9.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:46:30,754 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 70.1MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:46:30,755 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, 26 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 153 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 125 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 323 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 928 IncrementalHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 323 mSolverCounterUnsat, 42 mSDtfsCounter, 928 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 550 GetRequests, 413 SyntacticMatches, 1 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5680 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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: 568]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 568. Possible FailurePath: [L569] CALL, EXPR alloc_node() [L562] struct node* temp = (struct node*) malloc(sizeof(struct node)); [L563] COND FALSE !(((void *)0) == temp) [L566] return temp; [L569] RET, EXPR alloc_node() [L569] struct node* s = alloc_node(); [L570] CALL, EXPR alloc_node() [L562] struct node* temp = (struct node*) malloc(sizeof(struct node)); [L563] COND FALSE !(((void *)0) == temp) [L566] return temp; [L570] RET, EXPR alloc_node() [L570] s->next = alloc_node() [L571] EXPR s->next VAL [s={-1:0}] [L571] *s = *(s->next) [L572] free(s) [L572] free(s) [L572] free(s) [L573] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.79ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 76.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.45ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.52ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 74.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 280.87ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 61.1MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 6959.21ms. Allocated memory is still 117.4MB. Free memory was 61.1MB in the beginning and 70.1MB in the end (delta: -9.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 70.1MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 05:46:30,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/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_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/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_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/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_a7e51280-ba41-4694-8dbd-2ae32fa92c38/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 6b0035e4df062aac8021cee981905a3c98f2d4e312e33b913ded157af60b9640 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:46:32,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:46:32,788 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-06 05:46:32,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:46:32,814 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:46:32,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:46:32,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:46:32,814 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:46:32,815 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:46:32,815 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:46:32,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:46:32,815 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 05:46:32,815 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 05:46:32,815 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 05:46:32,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:46:32,815 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:46:32,815 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:46:32,815 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:46:32,815 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:46:32,816 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:46:32,816 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:46:32,816 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:46:32,816 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:46:32,816 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:46:32,816 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:46:32,816 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:46:32,816 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:46:32,816 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:46:32,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:46:32,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:46:32,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:46:32,817 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:46:32,817 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:46:32,817 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:46:32,817 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_a7e51280-ba41-4694-8dbd-2ae32fa92c38/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 -> 6b0035e4df062aac8021cee981905a3c98f2d4e312e33b913ded157af60b9640 [2024-12-06 05:46:33,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:46:33,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:46:33,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:46:33,061 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:46:33,061 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:46:33,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i [2024-12-06 05:46:35,715 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/data/c2a5039dd/fe619bc559774e0fb80f308edf73a343/FLAG92b66e188 [2024-12-06 05:46:35,957 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:46:35,958 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i [2024-12-06 05:46:35,971 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/data/c2a5039dd/fe619bc559774e0fb80f308edf73a343/FLAG92b66e188 [2024-12-06 05:46:36,286 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/data/c2a5039dd/fe619bc559774e0fb80f308edf73a343 [2024-12-06 05:46:36,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:46:36,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:46:36,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:46:36,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:46:36,293 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:46:36,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:46:36" (1/1) ... [2024-12-06 05:46:36,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f277a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:36, skipping insertion in model container [2024-12-06 05:46:36,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:46:36" (1/1) ... [2024-12-06 05:46:36,315 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:46:36,491 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 05:46:36,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:46:36,507 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:46:36,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:46:36,562 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:46:36,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:36 WrapperNode [2024-12-06 05:46:36,562 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:46:36,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:46:36,563 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:46:36,563 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:46:36,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:36" (1/1) ... [2024-12-06 05:46:36,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:36" (1/1) ... [2024-12-06 05:46:36,593 INFO L138 Inliner]: procedures = 115, calls = 11, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 42 [2024-12-06 05:46:36,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:46:36,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:46:36,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:46:36,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:46:36,599 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:36" (1/1) ... [2024-12-06 05:46:36,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:36" (1/1) ... [2024-12-06 05:46:36,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:36" (1/1) ... [2024-12-06 05:46:36,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:36" (1/1) ... [2024-12-06 05:46:36,608 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:36" (1/1) ... [2024-12-06 05:46:36,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:36" (1/1) ... [2024-12-06 05:46:36,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:36" (1/1) ... [2024-12-06 05:46:36,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:36" (1/1) ... [2024-12-06 05:46:36,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:36" (1/1) ... [2024-12-06 05:46:36,615 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:46:36,616 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:46:36,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:46:36,616 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:46:36,617 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:46:36" (1/1) ... [2024-12-06 05:46:36,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:46:36,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:46:36,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:46:36,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:46:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 05:46:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 05:46:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 05:46:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:46:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:46:36,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:46:36,761 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:46:36,762 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:46:36,936 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-12-06 05:46:36,936 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:46:36,967 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:46:36,967 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:46:36,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:46:36 BoogieIcfgContainer [2024-12-06 05:46:36,968 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:46:36,968 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:46:36,968 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:46:36,978 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:46:36,978 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:46:36" (1/1) ... [2024-12-06 05:46:36,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:46:37,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:37,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2024-12-06 05:46:37,023 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2024-12-06 05:46:37,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:46:37,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:37,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:46:37,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:46:37,026 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:46:37,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:46:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:37,101 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:46:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:37,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 05:46:37,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:46:37,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-06 05:46:37,235 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 05:46:37,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-12-06 05:46:37,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:37,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:46:37,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:37,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2024-12-06 05:46:37,343 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2024-12-06 05:46:37,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 05:46:37,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:37,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:46:37,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:46:37,345 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:46:37,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:46:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:37,419 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:46:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:37,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:46:37,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:46:37,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-06 05:46:37,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 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 [2024-12-06 05:46:37,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:46:37,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-12-06 05:46:37,530 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 05:46:37,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-06 05:46:37,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:37,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:46:37,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:37,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2024-12-06 05:46:37,805 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2024-12-06 05:46:37,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:46:37,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:37,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:46:37,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:46:37,807 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:46:37,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:46:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:37,874 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:46:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:37,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:46:37,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:46:37,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:37,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:46:37,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:37,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2024-12-06 05:46:37,923 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2024-12-06 05:46:37,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:46:37,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:37,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:46:37,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:46:37,925 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:46:37,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:46:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:37,993 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:46:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:38,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:46:38,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:46:38,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:38,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 05:46:38,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:38,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2024-12-06 05:46:38,335 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2024-12-06 05:46:38,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:46:38,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:38,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:46:38,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:46:38,338 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:46:38,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:46:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:38,410 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:46:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:38,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 05:46:38,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:46:38,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 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 [2024-12-06 05:46:38,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 05:46:38,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 05:46:38,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-06 05:46:38,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:38,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 05:46:39,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:39,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2024-12-06 05:46:39,456 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-12-06 05:46:39,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:46:39,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:39,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:46:39,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:46:39,457 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:46:39,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 05:46:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:39,515 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:46:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:39,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:46:39,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:46:39,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-06 05:46:39,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 05:46:39,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-06 05:46:39,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:39,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 05:46:41,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:41,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2024-12-06 05:46:41,034 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-12-06 05:46:41,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:46:41,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:41,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:46:41,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:46:41,036 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:46:41,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 05:46:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:41,091 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:46:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:41,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:46:41,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:46:41,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:41,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 05:46:41,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:41,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2024-12-06 05:46:41,307 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-12-06 05:46:41,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:46:41,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:41,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:46:41,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:46:41,309 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:46:41,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 05:46:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:41,366 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:46:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:41,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:46:41,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:46:41,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:41,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 05:46:41,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:41,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2024-12-06 05:46:41,812 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-12-06 05:46:41,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:46:41,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:41,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:46:41,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:46:41,814 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:46:41,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 05:46:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:41,867 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:46:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:41,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:46:41,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:46:42,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:42,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 05:46:43,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:43,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2024-12-06 05:46:43,434 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2024-12-06 05:46:43,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:46:43,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:43,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:46:43,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:46:43,436 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:46:43,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 05:46:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:43,503 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:46:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:43,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:46:43,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:46:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:43,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 05:46:47,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:47,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-12-06 05:46:47,064 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-12-06 05:46:47,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 05:46:47,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:47,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:46:47,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:46:47,066 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:46:47,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 05:46:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:47,128 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:46:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:46:47,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:46:47,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:46:47,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:47,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 05:46:47,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:46:47,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2024-12-06 05:46:47,722 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-12-06 05:46:47,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:46:47,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:46:47,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:46:47,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:46:47,725 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:46:47,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 05:46:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:46:47,819 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:46:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:46:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:46:47,910 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:46:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:46:47,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 05:46:47,946 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2024-12-06 05:46:47,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:46:47 ImpRootNode [2024-12-06 05:46:47,968 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:46:47,969 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:46:47,969 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:46:47,969 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:46:47,969 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:46:36" (3/4) ... [2024-12-06 05:46:47,971 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:46:47,972 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:46:47,973 INFO L158 Benchmark]: Toolchain (without parser) took 11683.56ms. Allocated memory is still 92.3MB. Free memory was 68.9MB in the beginning and 34.1MB in the end (delta: 34.8MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2024-12-06 05:46:47,973 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:46:47,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.92ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 52.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:46:47,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.64ms. Allocated memory is still 92.3MB. Free memory was 52.2MB in the beginning and 50.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:46:47,973 INFO L158 Benchmark]: Boogie Preprocessor took 20.56ms. Allocated memory is still 92.3MB. Free memory was 50.7MB in the beginning and 49.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:46:47,974 INFO L158 Benchmark]: RCFGBuilder took 352.20ms. Allocated memory is still 92.3MB. Free memory was 49.5MB in the beginning and 63.0MB in the end (delta: -13.5MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-12-06 05:46:47,974 INFO L158 Benchmark]: CodeCheck took 10999.69ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 34.1MB in the end (delta: 29.0MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-12-06 05:46:47,974 INFO L158 Benchmark]: Witness Printer took 3.46ms. Allocated memory is still 92.3MB. Free memory was 34.1MB in the beginning and 34.1MB in the end (delta: 23.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:46:47,976 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, 26 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 11.0s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 162 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 134 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 297 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 943 IncrementalHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 297 mSolverCounterUnsat, 42 mSDtfsCounter, 943 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 589 GetRequests, 462 SyntacticMatches, 1 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5382 ImplicationChecksByTransitivity, 8.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 315 SizeOfPredicates, 9 NumberOfNonLiveVariables, 515 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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: 568]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 568. Possible FailurePath: [L569] CALL, EXPR alloc_node() [L562] struct node* temp = (struct node*) malloc(sizeof(struct node)); [L563] COND FALSE !(((void *)0) == temp) [L566] return temp; [L569] RET, EXPR alloc_node() [L569] struct node* s = alloc_node(); [L570] CALL, EXPR alloc_node() [L562] struct node* temp = (struct node*) malloc(sizeof(struct node)); [L563] COND FALSE !(((void *)0) == temp) [L566] return temp; [L570] RET, EXPR alloc_node() [L570] s->next = alloc_node() [L571] EXPR s->next VAL [s={2:0}] [L571] *s = *(s->next) [L572] free(s) [L572] free(s) [L572] free(s) [L573] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.92ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 52.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.64ms. Allocated memory is still 92.3MB. Free memory was 52.2MB in the beginning and 50.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.56ms. Allocated memory is still 92.3MB. Free memory was 50.7MB in the beginning and 49.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 352.20ms. Allocated memory is still 92.3MB. Free memory was 49.5MB in the beginning and 63.0MB in the end (delta: -13.5MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * CodeCheck took 10999.69ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 34.1MB in the end (delta: 29.0MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Witness Printer took 3.46ms. Allocated memory is still 92.3MB. Free memory was 34.1MB in the beginning and 34.1MB 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 [2024-12-06 05:46:47,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e51280-ba41-4694-8dbd-2ae32fa92c38/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