./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8767e0bad2c10bf5e26ce466e806335c672949ef870a6e01ac396a8c6ce00fcd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:59:41,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:59:41,402 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-05 23:59:41,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:59:41,407 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:59:41,427 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:59:41,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:59:41,428 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:59:41,428 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:59:41,428 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:59:41,428 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:59:41,429 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:59:41,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:59:41,429 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 23:59:41,429 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 23:59:41,429 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 23:59:41,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:59:41,429 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:59:41,429 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:59:41,429 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:59:41,430 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:59:41,430 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:59:41,430 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:59:41,430 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:59:41,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:59:41,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:59:41,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:59:41,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:59:41,431 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:59:41,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:59:41,431 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_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8767e0bad2c10bf5e26ce466e806335c672949ef870a6e01ac396a8c6ce00fcd [2024-12-05 23:59:41,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:59:41,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:59:41,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:59:41,648 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:59:41,648 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:59:41,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3.i [2024-12-05 23:59:44,253 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/data/dfb0642ad/865be590ec074edbb9d2617aeb5c19ac/FLAGf91135a72 [2024-12-05 23:59:44,485 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:59:44,485 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/sv-benchmarks/c/ldv-memsafety/memleaks_test6_3.i [2024-12-05 23:59:44,498 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/data/dfb0642ad/865be590ec074edbb9d2617aeb5c19ac/FLAGf91135a72 [2024-12-05 23:59:44,813 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/data/dfb0642ad/865be590ec074edbb9d2617aeb5c19ac [2024-12-05 23:59:44,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:59:44,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:59:44,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:59:44,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:59:44,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:59:44,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:59:44" (1/1) ... [2024-12-05 23:59:44,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41a53874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:44, skipping insertion in model container [2024-12-05 23:59:44,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:59:44" (1/1) ... [2024-12-05 23:59:44,849 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:59:45,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:59:45,150 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:59:45,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:59:45,234 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:59:45,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45 WrapperNode [2024-12-05 23:59:45,235 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:59:45,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:59:45,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:59:45,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:59:45,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,256 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,270 INFO L138 Inliner]: procedures = 168, calls = 77, calls flagged for inlining = 33, calls inlined = 8, statements flattened = 75 [2024-12-05 23:59:45,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:59:45,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:59:45,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:59:45,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:59:45,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,284 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,289 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:59:45,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:59:45,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:59:45,292 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:59:45,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:59:45,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:59:45,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:59:45,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:59:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 23:59:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:59:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 23:59:45,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 23:59:45,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 23:59:45,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:59:45,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:59:45,429 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:59:45,431 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:59:45,544 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-12-05 23:59:45,544 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:59:45,598 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:59:45,599 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:59:45,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:59:45 BoogieIcfgContainer [2024-12-05 23:59:45,599 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:59:45,600 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:59:45,600 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:59:45,610 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:59:45,610 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:59:45" (1/1) ... [2024-12-05 23:59:45,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:59:45,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:45,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-12-05 23:59:45,657 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-12-05 23:59:45,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:59:45,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:45,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:45,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:45,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:45,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2024-12-05 23:59:45,866 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-12-05 23:59:45,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:59:45,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:45,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:45,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:46,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:46,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2024-12-05 23:59:46,112 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-12-05 23:59:46,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:59:46,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:46,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:46,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:46,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:46,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-12-05 23:59:46,510 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-12-05 23:59:46,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:59:46,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:46,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:46,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:46,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:46,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2024-12-05 23:59:46,900 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-12-05 23:59:46,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:59:46,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:46,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:46,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:46,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:46,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-12-05 23:59:46,943 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-12-05 23:59:46,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:59:46,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:46,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:47,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:47,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:47,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2024-12-05 23:59:47,591 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-12-05 23:59:47,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:59:47,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:47,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:47,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:48,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:48,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-12-05 23:59:48,596 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-12-05 23:59:48,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:59:48,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:48,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:48,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:49,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:49,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2024-12-05 23:59:49,215 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2024-12-05 23:59:49,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:59:49,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:49,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:49,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:50,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:50,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2024-12-05 23:59:50,202 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-12-05 23:59:50,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:59:50,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:50,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:50,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:50,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:50,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2024-12-05 23:59:50,374 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2024-12-05 23:59:50,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:59:50,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:50,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:50,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:51,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:51,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-12-05 23:59:51,023 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-05 23:59:51,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:59:51,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:51,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:51,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:51,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:51,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-12-05 23:59:51,903 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-05 23:59:51,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:59:51,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:51,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:52,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:53,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:53,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2024-12-05 23:59:53,424 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-12-05 23:59:53,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:59:53,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:53,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:53,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:55,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:55,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-12-05 23:59:55,374 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-12-05 23:59:55,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:59:55,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:55,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:59:55,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:59:56,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:59:56,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2024-12-05 23:59:56,722 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-12-05 23:59:56,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:59:56,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:59:56,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:59:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:59:56,734 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:59:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:59:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:59:56,790 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:59:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:59:56,827 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 16 iterations. [2024-12-05 23:59:56,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:59:56 ImpRootNode [2024-12-05 23:59:56,850 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:59:56,850 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:59:56,850 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:59:56,850 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:59:56,851 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:59:45" (3/4) ... [2024-12-05 23:59:56,853 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:59:56,854 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:59:56,855 INFO L158 Benchmark]: Toolchain (without parser) took 12038.36ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 115.6MB in the beginning and 166.6MB in the end (delta: -50.9MB). Peak memory consumption was 126.6MB. Max. memory is 16.1GB. [2024-12-05 23:59:56,855 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:59:56,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.10ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 93.3MB in the end (delta: 22.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:59:56,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.94ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 91.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:59:56,856 INFO L158 Benchmark]: Boogie Preprocessor took 19.97ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 90.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:59:56,856 INFO L158 Benchmark]: RCFGBuilder took 307.73ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 72.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:59:56,857 INFO L158 Benchmark]: CodeCheck took 11249.77ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 72.4MB in the beginning and 166.6MB in the end (delta: -94.2MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. [2024-12-05 23:59:56,857 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 318.8MB. Free memory was 166.6MB in the beginning and 166.6MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:59:56,858 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, 20 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 11.2s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 644 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 625 mSDsluCounter, 772 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 700 mSDsCounter, 432 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1987 IncrementalHoareTripleChecker+Invalid, 2419 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 432 mSolverCounterUnsat, 72 mSDtfsCounter, 1987 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 890 GetRequests, 689 SyntacticMatches, 11 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15819 ImplicationChecksByTransitivity, 9.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 599 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 790]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 790. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L782] struct A a6; [L791] CALL entry_point() [L784] CALL, EXPR probe1_6(&a6) [L764] int ret = - -3; [L765] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L765] RET, EXPR ldv_malloc(sizeof(int)) [L765] int *p = (int *)ldv_malloc(sizeof(int)); [L766] COND FALSE !(p==0) [L768] CALL, EXPR f6() [L758] return __VERIFIER_nondet_int(); [L768] RET, EXPR f6() [L768] ret = f6() [L769] COND FALSE !(ret<0) [L771] CALL, EXPR g6() [L761] return __VERIFIER_nondet_int(); [L771] RET, EXPR g6() [L771] ret = g6() [L772] COND FALSE !(ret<0) VAL [a6={2:0}, a={2:0}, ldv_global_msg_list={1:0}, p={-1:0}] [L774] a->p = p [L775] return 0; VAL [\result=0, a6={2:0}, ldv_global_msg_list={1:0}] [L784] RET, EXPR probe1_6(&a6) [L784] int ret = probe1_6(&a6); [L785] COND TRUE ret==0 [L786] FCALL disconnect_2_6(&a6) [L788] a6.p = 0 [L791] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.10ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 93.3MB in the end (delta: 22.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.94ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 91.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.97ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 90.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 307.73ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 72.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 11249.77ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 72.4MB in the beginning and 166.6MB in the end (delta: -94.2MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 318.8MB. Free memory was 166.6MB in the beginning and 166.6MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:59:56,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8767e0bad2c10bf5e26ce466e806335c672949ef870a6e01ac396a8c6ce00fcd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:59:58,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:59:58,856 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-05 23:59:58,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:59:58,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:59:58,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:59:58,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:59:58,883 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:59:58,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:59:58,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:59:58,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:59:58,883 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 23:59:58,883 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 23:59:58,883 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 23:59:58,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:59:58,883 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:59:58,883 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:59:58,883 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:59:58,884 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:59:58,884 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:59:58,884 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:59:58,884 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:59:58,884 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:59:58,884 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:59:58,884 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:59:58,884 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:59:58,884 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:59:58,884 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:59:58,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:59:58,885 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:59:58,885 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:59:58,885 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:59:58,885 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:59:58,885 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:59:58,885 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_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8767e0bad2c10bf5e26ce466e806335c672949ef870a6e01ac396a8c6ce00fcd [2024-12-05 23:59:59,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:59:59,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:59:59,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:59:59,120 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:59:59,120 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:59:59,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3.i [2024-12-06 00:00:01,784 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/data/45d5f0e22/1b32a35052714ab5b724f34b60463e20/FLAG1d5c40d97 [2024-12-06 00:00:01,998 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:00:01,998 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/sv-benchmarks/c/ldv-memsafety/memleaks_test6_3.i [2024-12-06 00:00:02,012 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/data/45d5f0e22/1b32a35052714ab5b724f34b60463e20/FLAG1d5c40d97 [2024-12-06 00:00:02,330 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/data/45d5f0e22/1b32a35052714ab5b724f34b60463e20 [2024-12-06 00:00:02,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:00:02,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:00:02,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:00:02,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:00:02,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:00:02,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:00:02" (1/1) ... [2024-12-06 00:00:02,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73401b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:02, skipping insertion in model container [2024-12-06 00:00:02,339 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:00:02" (1/1) ... [2024-12-06 00:00:02,365 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:00:02,583 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:00:02,626 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:00:02,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:00:02,642 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-12-06 00:00:02,650 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:00:02,675 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:00:02,694 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:00:02,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:00:02,703 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:00:02,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:00:02,777 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:00:02,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:02 WrapperNode [2024-12-06 00:00:02,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:00:02,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:00:02,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:00:02,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:00:02,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:02" (1/1) ... [2024-12-06 00:00:02,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:02" (1/1) ... [2024-12-06 00:00:02,826 INFO L138 Inliner]: procedures = 169, calls = 77, calls flagged for inlining = 33, calls inlined = 8, statements flattened = 70 [2024-12-06 00:00:02,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:00:02,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:00:02,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:00:02,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:00:02,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:02" (1/1) ... [2024-12-06 00:00:02,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:02" (1/1) ... [2024-12-06 00:00:02,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:02" (1/1) ... [2024-12-06 00:00:02,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:02" (1/1) ... [2024-12-06 00:00:02,842 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:02" (1/1) ... [2024-12-06 00:00:02,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:02" (1/1) ... [2024-12-06 00:00:02,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:02" (1/1) ... [2024-12-06 00:00:02,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:02" (1/1) ... [2024-12-06 00:00:02,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:02" (1/1) ... [2024-12-06 00:00:02,849 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:00:02,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:00:02,850 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:00:02,850 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:00:02,850 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:02" (1/1) ... [2024-12-06 00:00:02,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:00:02,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:00:02,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:00:02,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:00:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:00:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:00:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 00:00:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:00:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 00:00:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:00:02,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:00:02,981 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:00:02,983 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:00:03,118 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-12-06 00:00:03,118 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:00:03,186 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:00:03,186 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:00:03,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:00:03 BoogieIcfgContainer [2024-12-06 00:00:03,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:00:03,188 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:00:03,188 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:00:03,197 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:00:03,197 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:00:03" (1/1) ... [2024-12-06 00:00:03,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:00:03,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:00:03,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-12-06 00:00:03,240 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-12-06 00:00:03,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:00:03,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:00:03,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:00:03,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:00:03,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:00:03,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:00:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:03,333 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:00:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:03,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:00:03,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:00:03,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:00:03,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:00:03,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:00:03,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2024-12-06 00:00:03,497 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-12-06 00:00:03,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:00:03,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:00:03,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:00:03,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:00:03,500 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:00:03,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:00:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:03,584 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:00:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:03,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:00:03,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:00:03,802 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 00:00:03,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-12-06 00:00:03,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:00:03,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:00:04,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:00:04,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2024-12-06 00:00:04,087 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-12-06 00:00:04,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:00:04,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:00:04,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:00:04,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:00:04,091 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:00:04,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:00:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:04,187 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:00:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:04,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 00:00:04,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:00:04,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-12-06 00:00:04,370 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-06 00:00:04,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-12-06 00:00:04,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:00:04,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:00:04,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:00:04,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2024-12-06 00:00:04,923 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-12-06 00:00:04,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:00:04,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:00:04,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:00:04,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:00:04,926 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:00:04,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:00:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:05,001 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:00:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:05,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:00:05,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:00:05,056 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:00:05,057 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 00:00:05,063 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:00:05,064 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 00:00:05,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-12-06 00:00:05,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:00:05,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-06 00:00:05,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:00:05,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2024-12-06 00:00:05,779 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-12-06 00:00:05,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:00:05,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:00:05,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:00:05,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:00:05,781 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:00:05,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:00:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:05,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:00:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:05,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:00:05,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:00:05,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:00:05,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-06 00:00:05,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:00:05,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-12-06 00:00:05,899 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-12-06 00:00:05,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:00:05,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:00:05,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:00:05,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:00:05,901 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:00:05,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:00:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:05,980 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:00:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:05,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 00:00:05,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:00:06,078 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 00:00:06,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-12-06 00:00:06,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:00:06,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 00:00:06,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:00:06,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2024-12-06 00:00:06,961 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2024-12-06 00:00:06,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:00:06,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:00:06,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:00:06,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:00:06,964 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:00:06,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 00:00:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:07,040 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:00:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:07,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:00:07,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:00:07,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:00:07,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-12-06 00:00:07,167 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 00:00:07,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 45 [2024-12-06 00:00:07,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:00:07,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 00:00:08,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:00:08,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-12-06 00:00:08,522 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-12-06 00:00:08,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:00:08,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:00:08,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:00:08,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:00:08,524 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:00:08,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 00:00:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:08,601 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:00:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:08,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:00:08,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:00:08,643 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:00:08,644 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 00:00:08,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:00:08,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 00:00:09,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:00:09,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-12-06 00:00:09,628 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-12-06 00:00:09,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:00:09,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:00:09,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:00:09,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:00:09,630 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:00:09,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 00:00:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:09,687 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:00:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:09,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:00:09,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:00:09,713 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:00:09,713 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 00:00:09,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2024-12-06 00:00:09,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:00:09,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 00:00:11,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:00:11,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2024-12-06 00:00:11,404 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2024-12-06 00:00:11,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:00:11,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:00:11,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:00:11,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:00:11,406 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:00:11,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 00:00:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:11,470 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:00:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:11,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:00:11,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:00:11,496 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:00:11,496 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 00:00:11,501 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:00:11,501 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 00:00:11,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-12-06 00:00:11,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:00:11,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 00:00:11,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:00:11,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2024-12-06 00:00:11,756 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2024-12-06 00:00:11,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:00:11,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:00:11,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:00:11,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:00:11,758 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:00:11,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 00:00:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:11,831 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:00:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:11,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 00:00:11,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:00:11,853 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 00:00:11,853 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 00:00:11,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2024-12-06 00:00:11,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:00:11,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 00:00:11,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:00:11,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-12-06 00:00:11,920 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-12-06 00:00:11,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:00:11,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:00:11,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:00:11,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:00:11,922 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:00:11,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 00:00:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:12,032 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:00:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:12,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:00:12,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:00:12,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:00:12,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 00:00:13,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:00:13,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-12-06 00:00:13,315 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-12-06 00:00:13,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:00:13,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:00:13,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:00:13,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:00:13,317 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:00:13,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 00:00:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:13,401 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:00:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:13,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 00:00:13,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:00:13,484 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 00:00:13,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-12-06 00:00:13,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2024-12-06 00:00:13,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:00:13,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 00:00:15,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:00:15,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2024-12-06 00:00:15,548 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2024-12-06 00:00:15,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:00:15,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:00:15,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:00:15,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:00:15,550 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:00:15,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 00:00:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:15,643 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:00:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:00:15,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 00:00:15,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:00:15,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:00:15,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-12-06 00:00:15,742 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 00:00:15,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 45 [2024-12-06 00:00:15,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:00:16,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 00:00:17,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:00:17,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-12-06 00:00:17,263 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-06 00:00:17,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:00:17,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:00:17,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:00:17,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:00:17,265 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:00:17,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 00:00:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:00:17,356 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:00:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:00:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:00:17,440 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:00:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:00:17,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-12-06 00:00:17,477 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2024-12-06 00:00:17,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:00:17 ImpRootNode [2024-12-06 00:00:17,496 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:00:17,497 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:00:17,497 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:00:17,497 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:00:17,497 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:00:03" (3/4) ... [2024-12-06 00:00:17,499 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:00:17,500 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:00:17,501 INFO L158 Benchmark]: Toolchain (without parser) took 15167.38ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 68.4MB in the beginning and 47.7MB in the end (delta: 20.7MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2024-12-06 00:00:17,501 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:00:17,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.19ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 40.2MB in the end (delta: 27.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:00:17,501 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.90ms. Allocated memory is still 92.3MB. Free memory was 40.2MB in the beginning and 68.3MB in the end (delta: -28.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-12-06 00:00:17,502 INFO L158 Benchmark]: Boogie Preprocessor took 21.88ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 66.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:00:17,502 INFO L158 Benchmark]: RCFGBuilder took 337.60ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 46.3MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:00:17,502 INFO L158 Benchmark]: CodeCheck took 14308.50ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 46.3MB in the beginning and 47.7MB in the end (delta: -1.4MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2024-12-06 00:00:17,503 INFO L158 Benchmark]: Witness Printer took 3.19ms. Allocated memory is still 134.2MB. Free memory was 47.7MB in the beginning and 47.7MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:00:17,504 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, 20 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 14.3s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 582 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 550 mSDsluCounter, 619 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 553 mSDsCounter, 275 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1862 IncrementalHoareTripleChecker+Invalid, 2137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 275 mSolverCounterUnsat, 66 mSDtfsCounter, 1862 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 880 GetRequests, 709 SyntacticMatches, 17 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10840 ImplicationChecksByTransitivity, 10.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 881 SizeOfPredicates, 43 NumberOfNonLiveVariables, 468 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 790]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 790. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L782] struct A a6; [L791] CALL entry_point() [L784] CALL, EXPR probe1_6(&a6) [L764] int ret = - -3; [L765] CALL, EXPR ldv_malloc(sizeof(int)) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L765] RET, EXPR ldv_malloc(sizeof(int)) [L765] int *p = (int *)ldv_malloc(sizeof(int)); [L766] COND FALSE !(p==0) [L768] CALL, EXPR f6() [L758] return __VERIFIER_nondet_int(); [L768] RET, EXPR f6() [L768] ret = f6() [L769] COND FALSE !(ret<0) [L771] CALL, EXPR g6() [L761] return __VERIFIER_nondet_int(); [L771] RET, EXPR g6() [L771] ret = g6() [L772] COND FALSE !(ret<0) VAL [a6={2:0}, a={2:0}, ldv_global_msg_list={1:0}, p={3:0}] [L774] a->p = p [L775] return 0; VAL [\result=0, a6={2:0}, ldv_global_msg_list={1:0}] [L784] RET, EXPR probe1_6(&a6) [L784] int ret = probe1_6(&a6); [L785] COND TRUE ret==0 [L786] FCALL disconnect_2_6(&a6) [L788] a6.p = 0 [L791] RET entry_point() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 444.19ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 40.2MB in the end (delta: 27.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.90ms. Allocated memory is still 92.3MB. Free memory was 40.2MB in the beginning and 68.3MB in the end (delta: -28.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.88ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 66.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 337.60ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 46.3MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14308.50ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 46.3MB in the beginning and 47.7MB in the end (delta: -1.4MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * Witness Printer took 3.19ms. Allocated memory is still 134.2MB. Free memory was 47.7MB in the beginning and 47.7MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:00:17,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76c25f81-8c61-456f-9ed4-9ad772c1dda8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample