./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-01-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-01-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14067621d9a8f66625f13d1d9faf9b421dec38bd60b4ac0ad734bd36e2df123a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:50:06,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:50:06,634 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:50:06,640 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:50:06,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:50:06,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:50:06,675 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:50:06,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:50:06,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:50:06,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:50:06,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:50:06,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:50:06,676 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:50:06,676 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:50:06,676 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:50:06,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:50:06,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:50:06,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:50:06,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:50:06,677 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:50:06,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:50:06,677 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:50:06,677 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:50:06,677 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:50:06,677 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:50:06,678 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:50:06,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:50:06,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:50:06,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:50:06,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:50:06,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:50:06,678 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:50:06,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:50:06,678 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_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/bin/ukojak-verify-ENZ3QT5qd3 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 ! call(reach_error())) ) 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 -> 14067621d9a8f66625f13d1d9faf9b421dec38bd60b4ac0ad734bd36e2df123a [2024-11-25 03:50:06,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:50:06,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:50:06,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:50:06,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:50:06,994 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:50:06,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/forester-heap/sll-01-2.i [2024-11-25 03:50:09,851 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/bin/ukojak-verify-ENZ3QT5qd3/data/6c0c75a1c/4832ec09485342afba8049e7b7e14b75/FLAG86e47716a [2024-11-25 03:50:10,164 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:50:10,165 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i [2024-11-25 03:50:10,188 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/bin/ukojak-verify-ENZ3QT5qd3/data/6c0c75a1c/4832ec09485342afba8049e7b7e14b75/FLAG86e47716a [2024-11-25 03:50:10,203 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/bin/ukojak-verify-ENZ3QT5qd3/data/6c0c75a1c/4832ec09485342afba8049e7b7e14b75 [2024-11-25 03:50:10,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:50:10,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:50:10,208 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:50:10,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:50:10,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:50:10,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:50:10" (1/1) ... [2024-11-25 03:50:10,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@257d2f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:10, skipping insertion in model container [2024-11-25 03:50:10,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:50:10" (1/1) ... [2024-11-25 03:50:10,247 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:50:10,506 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[22034,22047] [2024-11-25 03:50:10,516 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[22307,22320] [2024-11-25 03:50:10,522 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[22516,22529] [2024-11-25 03:50:10,522 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[22586,22599] [2024-11-25 03:50:10,529 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[22853,22866] [2024-11-25 03:50:10,532 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[22961,22974] [2024-11-25 03:50:10,534 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[23192,23205] [2024-11-25 03:50:10,537 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[23272,23285] [2024-11-25 03:50:10,538 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[23351,23364] [2024-11-25 03:50:10,541 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[23484,23497] [2024-11-25 03:50:10,543 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[23662,23675] [2024-11-25 03:50:10,544 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[23740,23753] [2024-11-25 03:50:10,545 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[23817,23830] [2024-11-25 03:50:10,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:50:10,562 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:50:10,608 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[22034,22047] [2024-11-25 03:50:10,610 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[22307,22320] [2024-11-25 03:50:10,613 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[22516,22529] [2024-11-25 03:50:10,613 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[22586,22599] [2024-11-25 03:50:10,616 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[22853,22866] [2024-11-25 03:50:10,617 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[22961,22974] [2024-11-25 03:50:10,619 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[23192,23205] [2024-11-25 03:50:10,620 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[23272,23285] [2024-11-25 03:50:10,621 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[23351,23364] [2024-11-25 03:50:10,622 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[23484,23497] [2024-11-25 03:50:10,623 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[23662,23675] [2024-11-25 03:50:10,624 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[23740,23753] [2024-11-25 03:50:10,625 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/sv-benchmarks/c/forester-heap/sll-01-2.i[23817,23830] [2024-11-25 03:50:10,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:50:10,654 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:50:10,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:10 WrapperNode [2024-11-25 03:50:10,655 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:50:10,656 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:50:10,656 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:50:10,656 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:50:10,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:10" (1/1) ... [2024-11-25 03:50:10,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:10" (1/1) ... [2024-11-25 03:50:10,701 INFO L138 Inliner]: procedures = 119, calls = 42, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 210 [2024-11-25 03:50:10,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:50:10,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:50:10,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:50:10,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:50:10,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:10" (1/1) ... [2024-11-25 03:50:10,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:10" (1/1) ... [2024-11-25 03:50:10,720 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:10" (1/1) ... [2024-11-25 03:50:10,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:10" (1/1) ... [2024-11-25 03:50:10,741 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:10" (1/1) ... [2024-11-25 03:50:10,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:10" (1/1) ... [2024-11-25 03:50:10,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:10" (1/1) ... [2024-11-25 03:50:10,756 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:10" (1/1) ... [2024-11-25 03:50:10,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:10" (1/1) ... [2024-11-25 03:50:10,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:50:10,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:50:10,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:50:10,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:50:10,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:50:10" (1/1) ... [2024-11-25 03:50:10,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:50:10,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:50:10,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:50:10,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:50:10,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 03:50:10,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:50:10,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-25 03:50:10,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-25 03:50:10,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:50:10,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:50:10,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:50:10,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:50:10,963 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:50:10,965 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:50:11,405 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-25 03:50:11,405 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:50:11,551 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:50:11,551 INFO L312 CfgBuilder]: Removed 17 assume(true) statements. [2024-11-25 03:50:11,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:50:11 BoogieIcfgContainer [2024-11-25 03:50:11,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:50:11,555 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:50:11,555 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:50:11,567 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:50:11,568 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:50:11" (1/1) ... [2024-11-25 03:50:11,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:50:11,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:11,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 74 states and 118 transitions. [2024-11-25 03:50:11,656 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 118 transitions. [2024-11-25 03:50:11,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 03:50:11,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:11,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:11,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:11,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:11,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 72 states and 113 transitions. [2024-11-25 03:50:11,912 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2024-11-25 03:50:11,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:50:11,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:11,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:12,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:12,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:12,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 70 states and 108 transitions. [2024-11-25 03:50:12,366 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 108 transitions. [2024-11-25 03:50:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:50:12,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:12,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:12,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:12,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:12,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 68 states and 101 transitions. [2024-11-25 03:50:12,528 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 101 transitions. [2024-11-25 03:50:12,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:50:12,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:12,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:12,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:12,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:12,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 104 transitions. [2024-11-25 03:50:12,871 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 104 transitions. [2024-11-25 03:50:12,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:50:12,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:12,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:12,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:12,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:12,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 70 states and 99 transitions. [2024-11-25 03:50:12,962 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2024-11-25 03:50:12,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:50:12,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:12,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:13,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:13,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:13,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2024-11-25 03:50:13,102 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2024-11-25 03:50:13,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:50:13,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:13,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:13,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:13,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:13,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 70 states and 95 transitions. [2024-11-25 03:50:13,299 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 95 transitions. [2024-11-25 03:50:13,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:50:13,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:13,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:13,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:13,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:13,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 68 states and 91 transitions. [2024-11-25 03:50:13,683 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2024-11-25 03:50:13,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:50:13,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:13,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:13,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:13,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:13,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 70 states and 91 transitions. [2024-11-25 03:50:13,805 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2024-11-25 03:50:13,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 03:50:13,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:13,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:17,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:17,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 81 states and 106 transitions. [2024-11-25 03:50:17,330 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 106 transitions. [2024-11-25 03:50:17,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:50:17,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:17,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:17,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:50:17,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:17,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 74 states and 97 transitions. [2024-11-25 03:50:17,846 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2024-11-25 03:50:17,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:50:17,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:17,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:19,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:22,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:22,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 88 states and 115 transitions. [2024-11-25 03:50:22,587 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 115 transitions. [2024-11-25 03:50:22,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:50:22,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:22,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:22,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:50:22,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:22,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 86 states and 113 transitions. [2024-11-25 03:50:22,837 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 113 transitions. [2024-11-25 03:50:22,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:50:22,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:22,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:23,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:27,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:27,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 97 states and 131 transitions. [2024-11-25 03:50:27,190 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 131 transitions. [2024-11-25 03:50:27,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 03:50:27,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:27,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:28,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:33,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:33,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 111 states and 151 transitions. [2024-11-25 03:50:33,151 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 151 transitions. [2024-11-25 03:50:33,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 03:50:33,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:33,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:33,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:36,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:36,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 122 states and 168 transitions. [2024-11-25 03:50:36,247 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2024-11-25 03:50:36,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 03:50:36,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:36,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:36,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:50:43,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:43,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 132 states and 193 transitions. [2024-11-25 03:50:43,527 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 193 transitions. [2024-11-25 03:50:43,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 03:50:43,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:43,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:44,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:50:53,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:50:53,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 147 states and 217 transitions. [2024-11-25 03:50:53,460 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 217 transitions. [2024-11-25 03:50:53,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 03:50:53,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:50:53,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:50:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:50:57,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:51:05,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:51:05,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 157 states and 233 transitions. [2024-11-25 03:51:05,845 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 233 transitions. [2024-11-25 03:51:05,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 03:51:05,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:51:05,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:51:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:51:05,885 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:51:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:51:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:51:06,012 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:51:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:51:06,086 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2024-11-25 03:51:06,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:51:06 ImpRootNode [2024-11-25 03:51:06,134 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:51:06,134 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:51:06,134 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:51:06,135 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:51:06,135 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:50:11" (3/4) ... [2024-11-25 03:51:06,136 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:51:06,200 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 24. [2024-11-25 03:51:06,281 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:51:06,281 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:51:06,281 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:51:06,282 INFO L158 Benchmark]: Toolchain (without parser) took 56075.73ms. Allocated memory was 117.4MB in the beginning and 486.5MB in the end (delta: 369.1MB). Free memory was 92.0MB in the beginning and 275.2MB in the end (delta: -183.2MB). Peak memory consumption was 182.6MB. Max. memory is 16.1GB. [2024-11-25 03:51:06,282 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:51:06,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.85ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 73.3MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:51:06,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.49ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 71.4MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:51:06,285 INFO L158 Benchmark]: Boogie Preprocessor took 61.64ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 69.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:51:06,286 INFO L158 Benchmark]: RCFGBuilder took 786.24ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 41.0MB in the end (delta: 28.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 03:51:06,286 INFO L158 Benchmark]: CodeCheck took 54578.86ms. Allocated memory was 117.4MB in the beginning and 486.5MB in the end (delta: 369.1MB). Free memory was 41.0MB in the beginning and 279.1MB in the end (delta: -238.1MB). Peak memory consumption was 132.3MB. Max. memory is 16.1GB. [2024-11-25 03:51:06,287 INFO L158 Benchmark]: Witness Printer took 146.86ms. Allocated memory is still 486.5MB. Free memory was 279.1MB in the beginning and 275.2MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:51:06,288 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, 74 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 54.5s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3583 SdHoareTripleChecker+Valid, 10.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1569 mSDsluCounter, 1707 SdHoareTripleChecker+Invalid, 8.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1074 mSDsCounter, 725 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3903 IncrementalHoareTripleChecker+Invalid, 4628 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 725 mSolverCounterUnsat, 633 mSDtfsCounter, 3903 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2932 GetRequests, 2594 SyntacticMatches, 28 SemanticMatches, 310 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38188 ImplicationChecksByTransitivity, 43.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 12.3s InterpolantComputationTime, 404 NumberOfCodeBlocks, 404 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 355 ConstructedInterpolants, 0 QuantifiedInterpolants, 5932 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 14 PerfectInterpolantSequences, 6/13 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1036]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1002] SLL* list = malloc(sizeof(SLL)); [L1003] list->next = ((void*)0) VAL [list={-2:0}] [L1004] COND FALSE !(!(list != ((void*)0))) VAL [list={-2:0}] [L1004] COND FALSE !(0) VAL [list={-2:0}] [L1004] COND FALSE !(__VERIFIER_nondet_int()) [L1004] list->inner = malloc(sizeof(SLL)) [L1004] EXPR list->inner [L1004] list->inner->next = ((void*)0) [L1004] EXPR list->inner [L1004] list->inner->inner = ((void*)0) [L1004] EXPR list->inner [L1004] EXPR list->inner != ((void*)0) || list->inner == ((void*)0) VAL [list={-2:0}] [L1004] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0))) [L1004] COND FALSE !(0) VAL [list={-2:0}] [L1006] SLL* end = list; VAL [end={-2:0}, list={-2:0}] [L1009] COND FALSE !(__VERIFIER_nondet_int()) [L1019] end = ((void*)0) [L1020] end = list VAL [end={-2:0}, list={-2:0}] [L1023] COND FALSE !(!(((void*)0) != end)) VAL [end={-2:0}, list={-2:0}] [L1023] COND FALSE !(0) VAL [end={-2:0}, list={-2:0}] [L1025] COND TRUE ((void*)0) != end [L1027] int len = 0; [L1028] EXPR end->inner [L1028] SLL* inner = end->inner; [L1029] COND TRUE ((void*)0) != inner [L1031] COND TRUE len == 0 [L1032] len = 1 VAL [end={-2:0}, inner={-1:0}, len=1, list={-2:0}] [L1035] COND FALSE !(!(((void*)0) != inner)) VAL [end={-2:0}, inner={-1:0}, len=1, list={-2:0}] [L1035] COND FALSE !(0) VAL [end={-2:0}, inner={-1:0}, len=1, list={-2:0}] [L1036] EXPR inner->inner VAL [end={-2:0}, inner={-1:0}, len=1, list={-2:0}] [L1036] COND FALSE !(!(((void*)0) == inner->inner)) [L1036] COND FALSE !(0) VAL [end={-2:0}, inner={-1:0}, len=1, list={-2:0}] [L1037] EXPR inner->next VAL [end={-2:0}, inner={-1:0}, len=1, list={-2:0}] [L1037] COND FALSE !(!(((void*)0) == inner->next)) [L1037] COND FALSE !(0) VAL [end={-2:0}, inner={-1:0}, len=1, list={-2:0}] [L1038] EXPR inner->inner [L1038] inner = inner->inner [L1039] COND TRUE len == 1 [L1040] EXPR inner->inner [L1040] inner = inner->inner VAL [end={-2:0}, inner={-1:-13121}, len=1, list={-2:0}] [L1029] COND TRUE ((void*)0) != inner [L1031] COND FALSE !(len == 0) [L1034] len = 2 VAL [end={-2:0}, inner={-1:-13121}, len=2, list={-2:0}] [L1035] COND FALSE !(!(((void*)0) != inner)) VAL [end={-2:0}, inner={-1:-13121}, len=2, list={-2:0}] [L1035] COND FALSE !(0) VAL [end={-2:0}, inner={-1:-13121}, len=2, list={-2:0}] [L1036] EXPR inner->inner VAL [end={-2:0}, inner={-1:-13121}, len=2, list={-2:0}] [L1036] COND TRUE !(((void*)0) == inner->inner) [L1036] reach_error() VAL [end={-2:0}, inner={-1:-13121}, len=2, list={-2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.85ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 73.3MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.49ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 71.4MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.64ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 69.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 786.24ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 41.0MB in the end (delta: 28.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 54578.86ms. Allocated memory was 117.4MB in the beginning and 486.5MB in the end (delta: 369.1MB). Free memory was 41.0MB in the beginning and 279.1MB in the end (delta: -238.1MB). Peak memory consumption was 132.3MB. Max. memory is 16.1GB. * Witness Printer took 146.86ms. Allocated memory is still 486.5MB. Free memory was 279.1MB in the beginning and 275.2MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:51:06,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c3ea70-6a2e-4f2a-a61c-ee2c02f0b714/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE