./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/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_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm --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-826ab2b [2024-11-13 16:37:14,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:37:14,661 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 16:37:14,667 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:37:14,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:37:14,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:37:14,709 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:37:14,709 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:37:14,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:37:14,710 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:37:14,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:37:14,710 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:37:14,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:37:14,711 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 16:37:14,712 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 16:37:14,712 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 16:37:14,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:37:14,713 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:37:14,713 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:37:14,713 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:37:14,713 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:37:14,713 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:37:14,713 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:37:14,714 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:37:14,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:37:14,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:37:14,714 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:37:14,714 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:37:14,714 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:37:14,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:37:14,714 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_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 16:37:15,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:37:15,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:37:15,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:37:15,092 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:37:15,092 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:37:15,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i Unable to find full path for "g++" [2024-11-13 16:37:17,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:37:17,392 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:37:17,393 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i [2024-11-13 16:37:17,405 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/data/247df7c20/4461c4448cc84d929fd985b805b0a63c/FLAG43c860a18 [2024-11-13 16:37:17,614 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/data/247df7c20/4461c4448cc84d929fd985b805b0a63c [2024-11-13 16:37:17,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:37:17,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:37:17,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:37:17,621 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:37:17,627 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:37:17,628 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:37:17" (1/1) ... [2024-11-13 16:37:17,629 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c98b07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:17, skipping insertion in model container [2024-11-13 16:37:17,629 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:37:17" (1/1) ... [2024-11-13 16:37:17,662 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:37:17,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:37:17,977 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:37:18,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:37:18,046 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:37:18,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:18 WrapperNode [2024-11-13 16:37:18,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:37:18,048 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:37:18,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:37:18,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:37:18,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:18" (1/1) ... [2024-11-13 16:37:18,065 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:18" (1/1) ... [2024-11-13 16:37:18,091 INFO L138 Inliner]: procedures = 114, calls = 11, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 41 [2024-11-13 16:37:18,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:37:18,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:37:18,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:37:18,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:37:18,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:18" (1/1) ... [2024-11-13 16:37:18,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:18" (1/1) ... [2024-11-13 16:37:18,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:18" (1/1) ... [2024-11-13 16:37:18,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:18" (1/1) ... [2024-11-13 16:37:18,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:18" (1/1) ... [2024-11-13 16:37:18,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:18" (1/1) ... [2024-11-13 16:37:18,110 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:18" (1/1) ... [2024-11-13 16:37:18,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:18" (1/1) ... [2024-11-13 16:37:18,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:37:18,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:37:18,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:37:18,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:37:18,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:18" (1/1) ... [2024-11-13 16:37:18,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:37:18,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:37:18,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:37:18,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:37:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 16:37:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 16:37:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 16:37:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:37:18,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:37:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:37:18,331 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:37:18,334 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:37:18,577 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-11-13 16:37:18,577 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:37:18,634 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:37:18,635 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:37:18,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:37:18 BoogieIcfgContainer [2024-11-13 16:37:18,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:37:18,636 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:37:18,636 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:37:18,649 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:37:18,649 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:37:18" (1/1) ... [2024-11-13 16:37:18,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:37:18,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:18,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2024-11-13 16:37:18,736 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2024-11-13 16:37:18,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:37:18,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:18,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:37:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:19,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:19,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2024-11-13 16:37:19,212 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2024-11-13 16:37:19,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:37:19,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:19,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:37:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:19,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:19,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:19,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2024-11-13 16:37:19,961 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2024-11-13 16:37:19,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:37:19,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:19,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:37:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:19,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:20,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:20,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2024-11-13 16:37:20,010 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2024-11-13 16:37:20,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:37:20,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:20,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:37:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:20,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:20,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:20,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2024-11-13 16:37:20,107 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2024-11-13 16:37:20,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:37:20,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:20,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:37:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:20,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:21,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:21,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2024-11-13 16:37:21,295 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-11-13 16:37:21,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:37:21,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:21,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:37:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:21,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:22,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:22,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2024-11-13 16:37:22,814 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-11-13 16:37:22,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:37:22,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:22,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:37:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:22,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:23,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:23,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2024-11-13 16:37:23,073 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-13 16:37:23,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:37:23,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:23,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:37:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:23,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:23,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:23,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2024-11-13 16:37:23,437 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-11-13 16:37:23,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:37:23,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:23,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:37:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:23,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:25,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:25,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2024-11-13 16:37:25,859 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2024-11-13 16:37:25,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:37:25,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:25,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:37:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:26,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:28,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:28,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-11-13 16:37:28,691 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-11-13 16:37:28,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:37:28,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:28,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:37:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:28,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:29,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:29,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2024-11-13 16:37:29,327 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-11-13 16:37:29,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:37:29,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:29,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:37:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:37:29,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:37:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:37:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:37:29,450 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:37:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:37:29,475 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2024-11-13 16:37:29,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:37:29 ImpRootNode [2024-11-13 16:37:29,509 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:37:29,510 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:37:29,510 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:37:29,510 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:37:29,511 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:37:18" (3/4) ... [2024-11-13 16:37:29,513 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:37:29,514 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:37:29,515 INFO L158 Benchmark]: Toolchain (without parser) took 11896.01ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 106.2MB in the end (delta: 12.2MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-11-13 16:37:29,515 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:37:29,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.02ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 102.3MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:37:29,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.26ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 100.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:37:29,516 INFO L158 Benchmark]: Boogie Preprocessor took 22.06ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 99.7MB in the end (delta: 947.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:37:29,517 INFO L158 Benchmark]: RCFGBuilder took 520.50ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 85.6MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:37:29,517 INFO L158 Benchmark]: CodeCheck took 10873.24ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 106.2MB in the end (delta: -20.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:37:29,518 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 106.2MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:37:29,520 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: 10.8s, 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, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 125 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 2.2s 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, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s 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 - 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 0.41ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.02ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 102.3MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.26ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 100.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.06ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 99.7MB in the end (delta: 947.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 520.50ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 85.6MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10873.24ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 106.2MB in the end (delta: -20.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 106.2MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:37:29,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/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_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/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_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm --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-826ab2b [2024-11-13 16:37:32,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:37:32,902 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-13 16:37:32,967 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:37:32,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:37:32,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:37:32,968 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:37:32,969 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:37:32,969 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:37:32,969 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:37:32,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:37:32,969 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 16:37:32,969 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 16:37:32,970 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 16:37:32,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:37:32,970 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:37:32,970 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:37:32,970 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:37:32,970 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:37:32,971 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:37:32,971 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:37:32,971 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:37:32,971 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:37:32,971 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:37:32,971 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:37:32,972 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:32,972 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:37:32,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:37:32,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:37:32,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:37:32,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:37:32,973 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:37:32,973 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:32,973 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:37:32,973 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_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 16:37:33,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:37:33,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:37:33,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:37:33,294 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:37:33,294 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:37:33,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i Unable to find full path for "g++" [2024-11-13 16:37:35,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:37:35,655 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:37:35,658 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-2.i [2024-11-13 16:37:35,675 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/data/037bfcbb8/d076c49e0a1c42d49b179ba0cb58d672/FLAG999e4f4aa [2024-11-13 16:37:35,703 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/data/037bfcbb8/d076c49e0a1c42d49b179ba0cb58d672 [2024-11-13 16:37:35,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:37:35,711 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:37:35,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:37:35,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:37:35,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:37:35,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:37:35" (1/1) ... [2024-11-13 16:37:35,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f52a6ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:35, skipping insertion in model container [2024-11-13 16:37:35,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:37:35" (1/1) ... [2024-11-13 16:37:35,783 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:37:36,213 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 16:37:36,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:37:36,249 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:37:36,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:37:36,351 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:37:36,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:36 WrapperNode [2024-11-13 16:37:36,352 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:37:36,354 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:37:36,354 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:37:36,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:37:36,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:36" (1/1) ... [2024-11-13 16:37:36,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:36" (1/1) ... [2024-11-13 16:37:36,420 INFO L138 Inliner]: procedures = 115, calls = 11, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 42 [2024-11-13 16:37:36,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:37:36,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:37:36,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:37:36,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:37:36,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:36" (1/1) ... [2024-11-13 16:37:36,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:36" (1/1) ... [2024-11-13 16:37:36,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:36" (1/1) ... [2024-11-13 16:37:36,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:36" (1/1) ... [2024-11-13 16:37:36,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:36" (1/1) ... [2024-11-13 16:37:36,456 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:36" (1/1) ... [2024-11-13 16:37:36,461 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:36" (1/1) ... [2024-11-13 16:37:36,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:36" (1/1) ... [2024-11-13 16:37:36,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:37:36,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:37:36,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:37:36,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:37:36,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:37:36" (1/1) ... [2024-11-13 16:37:36,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:37:36,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:37:36,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:37:36,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:37:36,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 16:37:36,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 16:37:36,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 16:37:36,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:37:36,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:37:36,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:37:36,743 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:37:36,745 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:37:37,097 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-11-13 16:37:37,097 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:37:37,184 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:37:37,184 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:37:37,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:37:37 BoogieIcfgContainer [2024-11-13 16:37:37,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:37:37,189 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:37:37,189 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:37:37,204 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:37:37,204 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:37:37" (1/1) ... [2024-11-13 16:37:37,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:37:37,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:37,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2024-11-13 16:37:37,292 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2024-11-13 16:37:37,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:37:37,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:37,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:37,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:37:37,302 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:37:37,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:37:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:37,469 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:37:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:37,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:37:37,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:37:37,603 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 [2024-11-13 16:37:37,678 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-11-13 16:37:37,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2024-11-13 16:37:37,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:37,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:37:37,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:37,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2024-11-13 16:37:37,891 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2024-11-13 16:37:37,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:37:37,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:37,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:37,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:37:37,899 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:37:37,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:37:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:38,030 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:37:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:38,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 16:37:38,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:37:38,074 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 [2024-11-13 16:37:38,164 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-13 16:37:38,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2024-11-13 16:37:38,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:38,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 16:37:38,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:38,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2024-11-13 16:37:38,807 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2024-11-13 16:37:38,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:37:38,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:38,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:38,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:37:38,812 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:37:38,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 16:37:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:38,912 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:37:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:38,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:37:38,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:37:38,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:38,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 16:37:38,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:38,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2024-11-13 16:37:38,999 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2024-11-13 16:37:38,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:37:38,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:39,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:39,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:37:39,002 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:37:39,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 16:37:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:39,124 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:37:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:39,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:37:39,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:37:39,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:39,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 16:37:39,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:39,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2024-11-13 16:37:39,834 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2024-11-13 16:37:39,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:37:39,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:39,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:39,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:37:39,838 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:37:39,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 16:37:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:39,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:37:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:40,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 16:37:40,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:37:40,028 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 [2024-11-13 16:37:40,137 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 [2024-11-13 16:37:40,153 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 [2024-11-13 16:37:40,256 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 [2024-11-13 16:37:40,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:40,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 16:37:41,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:41,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2024-11-13 16:37:41,921 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-11-13 16:37:41,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:37:41,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:41,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:41,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:37:41,925 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:37:41,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 16:37:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:42,033 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:37:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:42,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 16:37:42,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:37:42,076 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 [2024-11-13 16:37:42,203 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 [2024-11-13 16:37:42,333 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 [2024-11-13 16:37:42,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:42,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 16:37:44,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:44,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2024-11-13 16:37:44,843 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2024-11-13 16:37:44,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:37:44,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:44,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:44,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:37:44,849 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:37:44,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 16:37:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:44,955 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:37:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:44,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:37:44,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:37:44,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:44,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 16:37:45,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:45,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2024-11-13 16:37:45,504 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-13 16:37:45,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:37:45,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:45,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:45,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:37:45,507 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:37:45,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 16:37:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:45,599 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:37:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:45,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:37:45,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:37:45,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:45,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 16:37:46,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:46,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2024-11-13 16:37:46,439 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-11-13 16:37:46,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:37:46,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:46,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:46,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:37:46,447 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:37:46,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 16:37:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:46,554 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:37:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:46,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:37:46,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:37:46,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:46,847 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 16:37:46,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 16:37:49,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:49,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2024-11-13 16:37:49,155 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2024-11-13 16:37:49,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:37:49,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:49,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:49,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:37:49,157 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:37:49,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 16:37:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:49,241 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:37:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:49,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:37:49,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:37:49,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:49,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 16:37:55,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:55,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-11-13 16:37:55,106 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-11-13 16:37:55,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:37:55,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:55,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:55,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:37:55,114 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:37:55,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 16:37:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:55,207 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:37:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:55,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:37:55,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:37:55,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:55,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 16:37:56,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:56,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2024-11-13 16:37:56,302 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-11-13 16:37:56,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 16:37:56,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:56,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:56,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:37:56,306 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:37:56,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 16:37:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:37:56,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:37:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:37:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:37:56,545 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:37:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:37:56,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 16:37:56,592 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2024-11-13 16:37:56,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:37:56 ImpRootNode [2024-11-13 16:37:56,640 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:37:56,641 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:37:56,641 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:37:56,641 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:37:56,644 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:37:37" (3/4) ... [2024-11-13 16:37:56,647 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:37:56,648 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:37:56,649 INFO L158 Benchmark]: Toolchain (without parser) took 20940.41ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 91.4MB in the beginning and 141.2MB in the end (delta: -49.8MB). Peak memory consumption was 91.3MB. Max. memory is 16.1GB. [2024-11-13 16:37:56,649 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:37:56,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 640.35ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 74.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:37:56,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.68ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 73.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:37:56,650 INFO L158 Benchmark]: Boogie Preprocessor took 49.29ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 72.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:37:56,651 INFO L158 Benchmark]: RCFGBuilder took 714.79ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 56.3MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:37:56,651 INFO L158 Benchmark]: CodeCheck took 19451.97ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 56.3MB in the beginning and 144.0MB in the end (delta: -87.7MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-11-13 16:37:56,652 INFO L158 Benchmark]: Witness Printer took 6.70ms. Allocated memory is still 260.0MB. Free memory was 141.4MB in the beginning and 141.2MB in the end (delta: 185.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:37:56,653 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: 19.4s, 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, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 134 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 4.0s 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, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 590 GetRequests, 463 SyntacticMatches, 1 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5046 ImplicationChecksByTransitivity, 15.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 308 SizeOfPredicates, 9 NumberOfNonLiveVariables, 515 ConjunctsInSsa, 51 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 - 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 0.33ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 640.35ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 74.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.68ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 73.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.29ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 72.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 714.79ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 56.3MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 19451.97ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 56.3MB in the beginning and 144.0MB in the end (delta: -87.7MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Witness Printer took 6.70ms. Allocated memory is still 260.0MB. Free memory was 141.4MB in the beginning and 141.2MB in the end (delta: 185.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:37:56,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8fc1dbd-8531-43a7-b416-0f7080633c84/bin/ukojak-verify-EEHR8qb7sm/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