./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0158-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71b5f65f2f8d87850f90a0c5b95ff806d4054a596ed67d86f7cc490935279607 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:46:00,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:46:00,928 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 16:46:00,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:46:00,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:46:00,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:46:00,973 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:46:00,974 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:46:00,974 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:46:00,974 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:46:00,975 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:46:00,975 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:46:00,975 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:46:00,976 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 16:46:00,976 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 16:46:00,976 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 16:46:00,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:46:00,977 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:46:00,977 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:46:00,977 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:46:00,977 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:46:00,977 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:46:00,977 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:46:00,977 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:46:00,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:46:00,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:46:00,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:46:00,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:46:00,978 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:46:00,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:46:00,978 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_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71b5f65f2f8d87850f90a0c5b95ff806d4054a596ed67d86f7cc490935279607 [2024-11-13 16:46:01,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:46:01,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:46:01,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:46:01,292 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:46:01,293 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:46:01,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/memsafety/test-0158-2.i Unable to find full path for "g++" [2024-11-13 16:46:03,220 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:46:03,606 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:46:03,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/sv-benchmarks/c/memsafety/test-0158-2.i [2024-11-13 16:46:03,619 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/data/becdbdab1/3cee627f26a04416bb940a836a3235ac/FLAGe006158f3 [2024-11-13 16:46:03,810 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/data/becdbdab1/3cee627f26a04416bb940a836a3235ac [2024-11-13 16:46:03,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:46:03,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:46:03,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:46:03,816 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:46:03,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:46:03,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:46:03" (1/1) ... [2024-11-13 16:46:03,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5890a19f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:03, skipping insertion in model container [2024-11-13 16:46:03,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:46:03" (1/1) ... [2024-11-13 16:46:03,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:46:04,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:46:04,198 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:46:04,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:46:04,259 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:46:04,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:04 WrapperNode [2024-11-13 16:46:04,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:46:04,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:46:04,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:46:04,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:46:04,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:04" (1/1) ... [2024-11-13 16:46:04,281 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:04" (1/1) ... [2024-11-13 16:46:04,296 INFO L138 Inliner]: procedures = 123, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-11-13 16:46:04,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:46:04,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:46:04,298 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:46:04,298 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:46:04,304 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:04" (1/1) ... [2024-11-13 16:46:04,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:04" (1/1) ... [2024-11-13 16:46:04,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:04" (1/1) ... [2024-11-13 16:46:04,307 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:04" (1/1) ... [2024-11-13 16:46:04,311 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:04" (1/1) ... [2024-11-13 16:46:04,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:04" (1/1) ... [2024-11-13 16:46:04,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:04" (1/1) ... [2024-11-13 16:46:04,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:04" (1/1) ... [2024-11-13 16:46:04,316 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:46:04,317 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:46:04,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:46:04,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:46:04,318 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:04" (1/1) ... [2024-11-13 16:46:04,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:46:04,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:46:04,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:46:04,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:46:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 16:46:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 16:46:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:46:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 16:46:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 16:46:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:46:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:46:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:46:04,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:46:04,504 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:46:04,506 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:46:04,612 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-13 16:46:04,612 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:46:04,639 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:46:04,639 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:46:04,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:04 BoogieIcfgContainer [2024-11-13 16:46:04,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:46:04,641 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:46:04,641 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:46:04,651 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:46:04,651 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:04" (1/1) ... [2024-11-13 16:46:04,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:46:04,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:04,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2024-11-13 16:46:04,714 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2024-11-13 16:46:04,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 16:46:04,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:04,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:04,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:05,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:05,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 12 states and 11 transitions. [2024-11-13 16:46:05,050 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2024-11-13 16:46:05,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 16:46:05,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:05,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:05,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:05,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:05,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2024-11-13 16:46:05,348 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2024-11-13 16:46:05,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 16:46:05,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:05,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:05,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:05,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:05,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2024-11-13 16:46:05,411 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2024-11-13 16:46:05,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 16:46:05,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:05,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:05,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:05,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:05,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2024-11-13 16:46:05,874 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-11-13 16:46:05,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:46:05,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:05,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:05,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:05,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:05,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2024-11-13 16:46:05,953 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-13 16:46:05,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:46:05,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:05,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:06,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:06,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:06,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2024-11-13 16:46:06,229 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2024-11-13 16:46:06,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:46:06,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:06,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:46:06,257 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:46:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:46:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:46:06,329 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:46:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:46:06,352 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2024-11-13 16:46:06,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:46:06 ImpRootNode [2024-11-13 16:46:06,386 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:46:06,387 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:46:06,387 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:46:06,387 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:46:06,387 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:04" (3/4) ... [2024-11-13 16:46:06,390 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:46:06,391 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:46:06,392 INFO L158 Benchmark]: Toolchain (without parser) took 2577.78ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 83.1MB in the end (delta: 10.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-13 16:46:06,396 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:06,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.44ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 76.5MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:46:06,396 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.58ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 75.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:06,397 INFO L158 Benchmark]: Boogie Preprocessor took 18.49ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 74.2MB in the end (delta: 731.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:06,397 INFO L158 Benchmark]: RCFGBuilder took 323.27ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 62.4MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:46:06,397 INFO L158 Benchmark]: CodeCheck took 1745.30ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 83.1MB in the end (delta: -20.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:06,398 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 83.1MB in the end (delta: 18.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:06,400 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, 13 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 0 mSDtfsCounter, 122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 523]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 523. Possible FailurePath: [L525-L532] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L533] data.p0 = malloc(37U) [L534] data.str.p2 = &data VAL [data={2138:0}] [L535] data.str.c[1] = sizeof data.str.p1 [L536] return 0; [L536] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 444.44ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 76.5MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.58ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 75.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.49ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 74.2MB in the end (delta: 731.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 323.27ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 62.4MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1745.30ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 83.1MB in the end (delta: -20.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 83.1MB in the end (delta: 18.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:46:06,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71b5f65f2f8d87850f90a0c5b95ff806d4054a596ed67d86f7cc490935279607 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:46:08,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:46:08,986 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-13 16:46:09,048 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:46:09,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:46:09,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:46:09,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:46:09,050 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:46:09,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:46:09,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:46:09,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:46:09,051 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 16:46:09,051 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 16:46:09,051 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 16:46:09,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:46:09,051 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:46:09,051 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:46:09,051 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:46:09,051 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:46:09,052 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:46:09,052 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:46:09,052 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:46:09,052 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:46:09,052 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:46:09,052 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:46:09,052 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:09,052 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:46:09,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:46:09,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:46:09,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:46:09,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:46:09,053 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:46:09,053 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:09,053 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:46:09,053 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_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71b5f65f2f8d87850f90a0c5b95ff806d4054a596ed67d86f7cc490935279607 [2024-11-13 16:46:09,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:46:09,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:46:09,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:46:09,360 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:46:09,361 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:46:09,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/memsafety/test-0158-2.i Unable to find full path for "g++" [2024-11-13 16:46:11,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:46:11,566 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:46:11,570 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/sv-benchmarks/c/memsafety/test-0158-2.i [2024-11-13 16:46:11,587 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/data/50fdee9ad/7418e3ab98d0462c965ebec45846fc8f/FLAG3f5169dfe [2024-11-13 16:46:11,823 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/data/50fdee9ad/7418e3ab98d0462c965ebec45846fc8f [2024-11-13 16:46:11,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:46:11,831 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:46:11,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:46:11,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:46:11,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:46:11,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:46:11" (1/1) ... [2024-11-13 16:46:11,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab0883a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:11, skipping insertion in model container [2024-11-13 16:46:11,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:46:11" (1/1) ... [2024-11-13 16:46:11,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:46:12,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:46:12,161 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:46:12,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:46:12,242 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:46:12,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:12 WrapperNode [2024-11-13 16:46:12,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:46:12,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:46:12,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:46:12,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:46:12,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:12" (1/1) ... [2024-11-13 16:46:12,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:12" (1/1) ... [2024-11-13 16:46:12,278 INFO L138 Inliner]: procedures = 124, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2024-11-13 16:46:12,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:46:12,279 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:46:12,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:46:12,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:46:12,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:12" (1/1) ... [2024-11-13 16:46:12,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:12" (1/1) ... [2024-11-13 16:46:12,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:12" (1/1) ... [2024-11-13 16:46:12,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:12" (1/1) ... [2024-11-13 16:46:12,296 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:12" (1/1) ... [2024-11-13 16:46:12,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:12" (1/1) ... [2024-11-13 16:46:12,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:12" (1/1) ... [2024-11-13 16:46:12,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:12" (1/1) ... [2024-11-13 16:46:12,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:46:12,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:46:12,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:46:12,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:46:12,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:12" (1/1) ... [2024-11-13 16:46:12,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:46:12,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:46:12,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:46:12,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:46:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 16:46:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:46:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 16:46:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 16:46:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-13 16:46:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:46:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:46:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:46:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:46:12,517 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:46:12,519 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:46:12,684 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-13 16:46:12,684 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:46:12,716 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:46:12,717 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:46:12,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:12 BoogieIcfgContainer [2024-11-13 16:46:12,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:46:12,718 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:46:12,718 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:46:12,729 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:46:12,729 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:12" (1/1) ... [2024-11-13 16:46:12,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:46:12,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:12,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2024-11-13 16:46:12,787 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2024-11-13 16:46:12,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 16:46:12,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:12,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:12,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:12,816 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:12,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:46:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:12,929 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:12,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:46:12,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:13,077 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2024-11-13 16:46:13,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-11-13 16:46:13,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:13,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:46:13,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:13,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 12 states and 11 transitions. [2024-11-13 16:46:13,151 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2024-11-13 16:46:13,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 16:46:13,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:13,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:13,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:13,153 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:13,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:46:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:13,244 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:13,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:46:13,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:13,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 16:46:13,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2024-11-13 16:46:13,332 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 10 treesize of output 8 [2024-11-13 16:46:13,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:13,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 16:46:13,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:13,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2024-11-13 16:46:13,520 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2024-11-13 16:46:13,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 16:46:13,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:13,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:13,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:13,523 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:13,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 16:46:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:13,609 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:13,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:46:13,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:13,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:13,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 16:46:13,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:13,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2024-11-13 16:46:13,691 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2024-11-13 16:46:13,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 16:46:13,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:13,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:13,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:13,695 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:13,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 16:46:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:13,807 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:13,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:46:13,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:13,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 16:46:13,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2024-11-13 16:46:13,900 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 10 treesize of output 8 [2024-11-13 16:46:13,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:13,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 16:46:13,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:13,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2024-11-13 16:46:13,970 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-11-13 16:46:13,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:46:13,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:13,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:13,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:13,974 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:13,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 16:46:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:14,062 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:14,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:46:14,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:14,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:14,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 16:46:14,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:14,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2024-11-13 16:46:14,150 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-13 16:46:14,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:46:14,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:14,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:14,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:14,155 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:14,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 16:46:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:14,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:14,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:46:14,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:14,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:14,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 16:46:14,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:14,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2024-11-13 16:46:14,529 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2024-11-13 16:46:14,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:46:14,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:14,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:14,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:14,533 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:14,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 16:46:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:46:14,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:46:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:46:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:46:14,960 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:46:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:46:15,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 16:46:15,185 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2024-11-13 16:46:15,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:46:15 ImpRootNode [2024-11-13 16:46:15,203 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:46:15,204 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:46:15,204 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:46:15,204 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:46:15,205 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:12" (3/4) ... [2024-11-13 16:46:15,208 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:46:15,208 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:46:15,209 INFO L158 Benchmark]: Toolchain (without parser) took 3378.65ms. Allocated memory is still 83.9MB. Free memory was 59.3MB in the beginning and 54.6MB in the end (delta: 4.7MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-11-13 16:46:15,209 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:15,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.98ms. Allocated memory is still 83.9MB. Free memory was 59.0MB in the beginning and 41.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:46:15,210 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.01ms. Allocated memory is still 83.9MB. Free memory was 41.8MB in the beginning and 40.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:15,210 INFO L158 Benchmark]: Boogie Preprocessor took 21.91ms. Allocated memory is still 83.9MB. Free memory was 40.4MB in the beginning and 39.4MB in the end (delta: 970.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:15,211 INFO L158 Benchmark]: RCFGBuilder took 415.30ms. Allocated memory is still 83.9MB. Free memory was 39.4MB in the beginning and 25.8MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:46:15,211 INFO L158 Benchmark]: CodeCheck took 2485.49ms. Allocated memory is still 83.9MB. Free memory was 25.8MB in the beginning and 55.2MB in the end (delta: -29.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:15,211 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 83.9MB. Free memory was 55.2MB in the beginning and 54.6MB in the end (delta: 567.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:15,214 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, 13 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 0 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 3 NumberOfNonLiveVariables, 240 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 523]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 523. Possible FailurePath: [L525-L532] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L533] data.p0 = malloc(37U) [L534] data.str.p2 = &data VAL [data={7:0}] [L535] data.str.c[1] = sizeof data.str.p1 [L536] return 0; [L536] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.98ms. Allocated memory is still 83.9MB. Free memory was 59.0MB in the beginning and 41.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.01ms. Allocated memory is still 83.9MB. Free memory was 41.8MB in the beginning and 40.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.91ms. Allocated memory is still 83.9MB. Free memory was 40.4MB in the beginning and 39.4MB in the end (delta: 970.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 415.30ms. Allocated memory is still 83.9MB. Free memory was 39.4MB in the beginning and 25.8MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2485.49ms. Allocated memory is still 83.9MB. Free memory was 25.8MB in the beginning and 55.2MB in the end (delta: -29.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 83.9MB. Free memory was 55.2MB in the beginning and 54.6MB in the end (delta: 567.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:46:15,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb19b01b-4ead-4eba-b617-0438fcf63871/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample