./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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-01-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/bin/ukojak-verify-CZk0znPC7b --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 [2024-12-06 06:06:47,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:06:47,843 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 06:06:47,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:06:47,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:06:47,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:06:47,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:06:47,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:06:47,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:06:47,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:06:47,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:06:47,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:06:47,868 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:06:47,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:06:47,869 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:06:47,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:06:47,869 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:06:47,869 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:06:47,869 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:06:47,869 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:06:47,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:06:47,869 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:06:47,869 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:06:47,870 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:06:47,870 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:06:47,870 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:06:47,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:06:47,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:06:47,870 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:06:47,870 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:06:47,870 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:06:47,870 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:06:47,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:06:47,871 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 [2024-12-06 06:06:48,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:06:48,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:06:48,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:06:48,090 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:06:48,091 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:06:48,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/forester-heap/sll-01-2.i [2024-12-06 06:06:50,701 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/bin/ukojak-verify-CZk0znPC7b/data/c717ddaf3/0ae4b69ba72440b1bd26b10ac0f277e9/FLAGed1a2006d [2024-12-06 06:06:50,968 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:06:50,969 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i [2024-12-06 06:06:50,980 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/bin/ukojak-verify-CZk0znPC7b/data/c717ddaf3/0ae4b69ba72440b1bd26b10ac0f277e9/FLAGed1a2006d [2024-12-06 06:06:51,282 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/bin/ukojak-verify-CZk0znPC7b/data/c717ddaf3/0ae4b69ba72440b1bd26b10ac0f277e9 [2024-12-06 06:06:51,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:06:51,285 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:06:51,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:06:51,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:06:51,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:06:51,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:06:51" (1/1) ... [2024-12-06 06:06:51,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2456c41a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:51, skipping insertion in model container [2024-12-06 06:06:51,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:06:51" (1/1) ... [2024-12-06 06:06:51,317 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:06:51,516 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[22034,22047] [2024-12-06 06:06:51,523 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[22307,22320] [2024-12-06 06:06:51,525 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[22516,22529] [2024-12-06 06:06:51,526 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[22586,22599] [2024-12-06 06:06:51,529 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[22853,22866] [2024-12-06 06:06:51,530 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[22961,22974] [2024-12-06 06:06:51,533 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[23192,23205] [2024-12-06 06:06:51,534 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[23272,23285] [2024-12-06 06:06:51,534 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[23351,23364] [2024-12-06 06:06:51,535 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[23484,23497] [2024-12-06 06:06:51,537 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[23662,23675] [2024-12-06 06:06:51,538 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[23740,23753] [2024-12-06 06:06:51,539 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[23817,23830] [2024-12-06 06:06:51,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:06:51,550 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:06:51,580 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[22034,22047] [2024-12-06 06:06:51,582 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[22307,22320] [2024-12-06 06:06:51,584 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[22516,22529] [2024-12-06 06:06:51,585 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[22586,22599] [2024-12-06 06:06:51,588 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[22853,22866] [2024-12-06 06:06:51,589 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[22961,22974] [2024-12-06 06:06:51,591 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[23192,23205] [2024-12-06 06:06:51,592 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[23272,23285] [2024-12-06 06:06:51,592 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[23351,23364] [2024-12-06 06:06:51,593 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[23484,23497] [2024-12-06 06:06:51,595 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[23662,23675] [2024-12-06 06:06:51,596 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[23740,23753] [2024-12-06 06:06:51,596 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_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/sv-benchmarks/c/forester-heap/sll-01-2.i[23817,23830] [2024-12-06 06:06:51,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:06:51,618 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:06:51,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:51 WrapperNode [2024-12-06 06:06:51,619 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:06:51,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:06:51,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:06:51,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:06:51,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:51" (1/1) ... [2024-12-06 06:06:51,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:51" (1/1) ... [2024-12-06 06:06:51,655 INFO L138 Inliner]: procedures = 119, calls = 42, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 210 [2024-12-06 06:06:51,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:06:51,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:06:51,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:06:51,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:06:51,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:51" (1/1) ... [2024-12-06 06:06:51,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:51" (1/1) ... [2024-12-06 06:06:51,664 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:51" (1/1) ... [2024-12-06 06:06:51,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:51" (1/1) ... [2024-12-06 06:06:51,672 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:51" (1/1) ... [2024-12-06 06:06:51,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:51" (1/1) ... [2024-12-06 06:06:51,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:51" (1/1) ... [2024-12-06 06:06:51,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:51" (1/1) ... [2024-12-06 06:06:51,681 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:51" (1/1) ... [2024-12-06 06:06:51,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:06:51,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:06:51,684 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:06:51,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:06:51,685 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:51" (1/1) ... [2024-12-06 06:06:51,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:06:51,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:06:51,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:06:51,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:06:51,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 06:06:51,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:06:51,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 06:06:51,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 06:06:51,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 06:06:51,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:06:51,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:06:51,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:06:51,810 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:06:51,811 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:06:52,070 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-12-06 06:06:52,071 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:06:52,139 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:06:52,139 INFO L312 CfgBuilder]: Removed 17 assume(true) statements. [2024-12-06 06:06:52,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:52 BoogieIcfgContainer [2024-12-06 06:06:52,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:06:52,140 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:06:52,140 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:06:52,150 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:06:52,150 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:52" (1/1) ... [2024-12-06 06:06:52,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:06:52,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:52,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 74 states and 118 transitions. [2024-12-06 06:06:52,196 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 118 transitions. [2024-12-06 06:06:52,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 06:06:52,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:52,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:52,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:06:52,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:52,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 72 states and 113 transitions. [2024-12-06 06:06:52,382 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2024-12-06 06:06:52,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:06:52,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:52,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:52,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:06:52,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:52,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 70 states and 108 transitions. [2024-12-06 06:06:52,636 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 108 transitions. [2024-12-06 06:06:52,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 06:06:52,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:52,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:52,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:06:52,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:52,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 68 states and 101 transitions. [2024-12-06 06:06:52,734 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 101 transitions. [2024-12-06 06:06:52,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:06:52,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:52,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:52,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:06:52,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:52,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 104 transitions. [2024-12-06 06:06:52,914 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 104 transitions. [2024-12-06 06:06:52,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 06:06:52,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:52,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:52,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:06:52,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:52,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 70 states and 99 transitions. [2024-12-06 06:06:52,995 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2024-12-06 06:06:52,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 06:06:52,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:52,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:53,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:06:53,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:53,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2024-12-06 06:06:53,100 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2024-12-06 06:06:53,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 06:06:53,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:53,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:53,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:06:53,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:53,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 70 states and 95 transitions. [2024-12-06 06:06:53,204 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 95 transitions. [2024-12-06 06:06:53,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 06:06:53,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:53,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:53,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:06:53,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:53,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 68 states and 91 transitions. [2024-12-06 06:06:53,428 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2024-12-06 06:06:53,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 06:06:53,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:53,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:53,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:06:53,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 70 states and 91 transitions. [2024-12-06 06:06:53,498 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2024-12-06 06:06:53,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 06:06:53,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:53,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:54,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:06:55,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:55,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 81 states and 106 transitions. [2024-12-06 06:06:55,990 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 106 transitions. [2024-12-06 06:06:55,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 06:06:55,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:55,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:56,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 06:06:56,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:56,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 74 states and 97 transitions. [2024-12-06 06:06:56,347 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2024-12-06 06:06:56,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 06:06:56,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:56,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:57,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:06:59,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:59,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 88 states and 115 transitions. [2024-12-06 06:06:59,479 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 115 transitions. [2024-12-06 06:06:59,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 06:06:59,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:59,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:59,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 06:06:59,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:59,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 86 states and 113 transitions. [2024-12-06 06:06:59,674 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 113 transitions. [2024-12-06 06:06:59,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 06:06:59,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:59,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:00,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:07:02,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:02,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 96 states and 131 transitions. [2024-12-06 06:07:02,716 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 131 transitions. [2024-12-06 06:07:02,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 06:07:02,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:02,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:07:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:03,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:07:03,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:03,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 97 states and 131 transitions. [2024-12-06 06:07:03,370 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 131 transitions. [2024-12-06 06:07:03,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 06:07:03,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:03,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:07:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:04,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:07:06,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:06,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 105 states and 142 transitions. [2024-12-06 06:07:06,813 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 142 transitions. [2024-12-06 06:07:06,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 06:07:06,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:06,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:07:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:06,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:07:08,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:08,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 116 states and 159 transitions. [2024-12-06 06:07:08,985 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 159 transitions. [2024-12-06 06:07:08,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 06:07:08,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:08,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:07:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:09,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:07:13,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:13,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 126 states and 181 transitions. [2024-12-06 06:07:13,779 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 181 transitions. [2024-12-06 06:07:13,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 06:07:13,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:13,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:07:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:16,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:07:22,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:22,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 136 states and 197 transitions. [2024-12-06 06:07:22,674 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 197 transitions. [2024-12-06 06:07:22,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 06:07:22,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:22,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:07:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:07:22,697 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:07:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:07:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:07:22,789 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:07:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:07:22,849 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2024-12-06 06:07:22,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:07:22 ImpRootNode [2024-12-06 06:07:22,887 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:07:22,888 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:07:22,888 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:07:22,888 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:07:22,888 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:52" (3/4) ... [2024-12-06 06:07:22,889 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 06:07:22,933 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 24. [2024-12-06 06:07:22,974 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 06:07:22,974 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 06:07:22,975 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:07:22,975 INFO L158 Benchmark]: Toolchain (without parser) took 31690.59ms. Allocated memory was 142.6MB in the beginning and 444.6MB in the end (delta: 302.0MB). Free memory was 116.0MB in the beginning and 228.8MB in the end (delta: -112.8MB). Peak memory consumption was 185.2MB. Max. memory is 16.1GB. [2024-12-06 06:07:22,975 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:07:22,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.81ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 97.4MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:07:22,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.76ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 95.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:07:22,976 INFO L158 Benchmark]: Boogie Preprocessor took 27.61ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 93.5MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:07:22,976 INFO L158 Benchmark]: RCFGBuilder took 455.07ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 64.7MB in the end (delta: 28.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 06:07:22,976 INFO L158 Benchmark]: CodeCheck took 30747.08ms. Allocated memory was 142.6MB in the beginning and 444.6MB in the end (delta: 302.0MB). Free memory was 64.6MB in the beginning and 237.2MB in the end (delta: -172.6MB). Peak memory consumption was 126.5MB. Max. memory is 16.1GB. [2024-12-06 06:07:22,977 INFO L158 Benchmark]: Witness Printer took 86.87ms. Allocated memory is still 444.6MB. Free memory was 237.2MB in the beginning and 228.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:07:22,979 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: 30.7s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3438 SdHoareTripleChecker+Valid, 6.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1420 mSDsluCounter, 1628 SdHoareTripleChecker+Invalid, 5.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 998 mSDsCounter, 680 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3473 IncrementalHoareTripleChecker+Invalid, 4153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 680 mSolverCounterUnsat, 630 mSDtfsCounter, 3473 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2823 GetRequests, 2512 SyntacticMatches, 47 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26836 ImplicationChecksByTransitivity, 23.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 400 NumberOfCodeBlocks, 400 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 351 ConstructedInterpolants, 0 QuantifiedInterpolants, 4531 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 14 PerfectInterpolantSequences, 7/14 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={-1:0}] [L1004] COND FALSE !(!(list != ((void*)0))) VAL [list={-1:0}] [L1004] COND FALSE !(0) VAL [list={-1:0}] [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={-1:0}] [L1004] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0))) [L1004] COND FALSE !(0) VAL [list={-1:0}] [L1006] SLL* end = list; VAL [end={-1:0}, list={-1:0}] [L1009] COND FALSE !(__VERIFIER_nondet_int()) [L1019] end = ((void*)0) [L1020] end = list VAL [end={-1:0}, list={-1:0}] [L1023] COND FALSE !(!(((void*)0) != end)) VAL [end={-1:0}, list={-1:0}] [L1023] COND FALSE !(0) VAL [end={-1:0}, list={-1:0}] [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={-1:0}, inner={-2:0}, len=1, list={-1:0}] [L1035] COND FALSE !(!(((void*)0) != inner)) VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}] [L1035] COND FALSE !(0) VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}] [L1036] EXPR inner->inner VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}] [L1036] COND FALSE !(!(((void*)0) == inner->inner)) [L1036] COND FALSE !(0) VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}] [L1037] EXPR inner->next VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}] [L1037] COND FALSE !(!(((void*)0) == inner->next)) [L1037] COND FALSE !(0) VAL [end={-1:0}, inner={-2:0}, len=1, list={-1:0}] [L1038] EXPR inner->inner [L1038] inner = inner->inner [L1039] COND TRUE len == 1 [L1040] EXPR inner->inner [L1040] inner = inner->inner VAL [end={-1:0}, inner={-2:-26642}, len=1, list={-1:0}] [L1029] COND TRUE ((void*)0) != inner [L1031] COND FALSE !(len == 0) [L1034] len = 2 VAL [end={-1:0}, inner={-2:-26642}, len=2, list={-1:0}] [L1035] COND FALSE !(!(((void*)0) != inner)) VAL [end={-1:0}, inner={-2:-26642}, len=2, list={-1:0}] [L1035] COND FALSE !(0) VAL [end={-1:0}, inner={-2:-26642}, len=2, list={-1:0}] [L1036] EXPR inner->inner VAL [end={-1:0}, inner={-2:-26642}, len=2, list={-1:0}] [L1036] COND TRUE !(((void*)0) == inner->inner) [L1036] reach_error() VAL [end={-1:0}, inner={-2:-26642}, len=2, list={-1:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.81ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 97.4MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.76ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 95.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.61ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 93.5MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 455.07ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 64.7MB in the end (delta: 28.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 30747.08ms. Allocated memory was 142.6MB in the beginning and 444.6MB in the end (delta: 302.0MB). Free memory was 64.6MB in the beginning and 237.2MB in the end (delta: -172.6MB). Peak memory consumption was 126.5MB. Max. memory is 16.1GB. * Witness Printer took 86.87ms. Allocated memory is still 444.6MB. Free memory was 237.2MB in the beginning and 228.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 06:07:22,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c122482e-4f6e-4bab-ba88-f9cc8b6db2e3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE