./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-01-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-01-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/bin/ukojak-verify-afCqCEvfdi --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 652acbc8fb2d659424086f7ee4bd5fc2f45ff1d49f46cde68db4fdee1ed0638e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:42,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:43,063 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:56:43,071 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:43,073 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:43,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:43,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:43,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:43,124 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:43,129 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:43,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:43,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:43,131 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:43,133 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:43,133 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:43,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:43,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:43,135 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:43,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:43,136 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:43,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:43,137 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:43,138 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:43,138 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:43,139 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:43,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:43,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:43,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:43,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:43,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:43,142 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:43,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:43,143 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:43,143 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 652acbc8fb2d659424086f7ee4bd5fc2f45ff1d49f46cde68db4fdee1ed0638e [2023-11-24 22:56:43,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:43,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:43,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:43,505 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:43,506 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:43,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/forester-heap/dll-01-2.i [2023-11-24 22:56:46,629 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:46,914 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:46,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i [2023-11-24 22:56:46,944 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/bin/ukojak-verify-afCqCEvfdi/data/01eacc9a5/376b81e633ad4b5daf45c765004bde9f/FLAG47d89fba4 [2023-11-24 22:56:46,960 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/bin/ukojak-verify-afCqCEvfdi/data/01eacc9a5/376b81e633ad4b5daf45c765004bde9f [2023-11-24 22:56:46,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:46,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:46,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:46,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:46,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:46,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:46" (1/1) ... [2023-11-24 22:56:46,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a65a61c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:46, skipping insertion in model container [2023-11-24 22:56:46,983 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:46" (1/1) ... [2023-11-24 22:56:47,053 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:47,400 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[22080,22093] [2023-11-24 22:56:47,419 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[22353,22366] [2023-11-24 22:56:47,424 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[22587,22600] [2023-11-24 22:56:47,426 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[22657,22670] [2023-11-24 22:56:47,432 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[22924,22937] [2023-11-24 22:56:47,434 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[23032,23045] [2023-11-24 22:56:47,437 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[23263,23276] [2023-11-24 22:56:47,438 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[23343,23356] [2023-11-24 22:56:47,439 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[23422,23435] [2023-11-24 22:56:47,440 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[23512,23525] [2023-11-24 22:56:47,443 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[23690,23703] [2023-11-24 22:56:47,444 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[23768,23781] [2023-11-24 22:56:47,446 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[23845,23858] [2023-11-24 22:56:47,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:47,469 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:47,508 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[22080,22093] [2023-11-24 22:56:47,511 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[22353,22366] [2023-11-24 22:56:47,518 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[22587,22600] [2023-11-24 22:56:47,519 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[22657,22670] [2023-11-24 22:56:47,522 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[22924,22937] [2023-11-24 22:56:47,523 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[23032,23045] [2023-11-24 22:56:47,524 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[23263,23276] [2023-11-24 22:56:47,525 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[23343,23356] [2023-11-24 22:56:47,526 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[23422,23435] [2023-11-24 22:56:47,527 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[23512,23525] [2023-11-24 22:56:47,529 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[23690,23703] [2023-11-24 22:56:47,533 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[23768,23781] [2023-11-24 22:56:47,535 WARN L240 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_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/sv-benchmarks/c/forester-heap/dll-01-2.i[23845,23858] [2023-11-24 22:56:47,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:47,584 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:47,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:47 WrapperNode [2023-11-24 22:56:47,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:47,586 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:47,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:47,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:47,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:47" (1/1) ... [2023-11-24 22:56:47,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:47" (1/1) ... [2023-11-24 22:56:47,648 INFO L138 Inliner]: procedures = 119, calls = 45, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 228 [2023-11-24 22:56:47,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:47,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:47,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:47,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:47,660 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:47" (1/1) ... [2023-11-24 22:56:47,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:47" (1/1) ... [2023-11-24 22:56:47,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:47" (1/1) ... [2023-11-24 22:56:47,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:47" (1/1) ... [2023-11-24 22:56:47,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:47" (1/1) ... [2023-11-24 22:56:47,697 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:47" (1/1) ... [2023-11-24 22:56:47,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:47" (1/1) ... [2023-11-24 22:56:47,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:47" (1/1) ... [2023-11-24 22:56:47,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:47,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:47,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:47,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:47,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:47" (1/1) ... [2023-11-24 22:56:47,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:47,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:47,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:47,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d7b08c-2abf-4cba-87c9-6dd8ceef18c7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:56:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:56:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:56:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:56:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:47,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:47,978 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:47,981 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:48,403 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:48,497 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:48,498 INFO L309 CfgBuilder]: Removed 30 assume(true) statements. [2023-11-24 22:56:48,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:48 BoogieIcfgContainer [2023-11-24 22:56:48,500 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:48,501 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:48,501 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:48,512 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:48,512 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:48" (1/1) ... [2023-11-24 22:56:48,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:48,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:48,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 74 states and 118 transitions. [2023-11-24 22:56:48,580 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 118 transitions. [2023-11-24 22:56:48,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:56:48,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:48,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:48,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:48,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:48,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 72 states and 113 transitions. [2023-11-24 22:56:48,833 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2023-11-24 22:56:48,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:56:48,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:48,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:49,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:49,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:49,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 70 states and 108 transitions. [2023-11-24 22:56:49,319 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 108 transitions. [2023-11-24 22:56:49,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:56:49,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:49,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:49,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:49,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:49,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 70 states and 103 transitions. [2023-11-24 22:56:49,432 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 103 transitions. [2023-11-24 22:56:49,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:56:49,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:49,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:49,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:50,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:50,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 102 transitions. [2023-11-24 22:56:50,170 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2023-11-24 22:56:50,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:56:50,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:50,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:50,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:50,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:50,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 74 states and 109 transitions. [2023-11-24 22:56:50,398 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 109 transitions. [2023-11-24 22:56:50,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:56:50,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:50,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:50,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:50,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:50,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 104 transitions. [2023-11-24 22:56:50,554 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 104 transitions. [2023-11-24 22:56:50,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:56:50,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:50,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:50,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:50,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:50,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 70 states and 99 transitions. [2023-11-24 22:56:50,726 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2023-11-24 22:56:50,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:56:50,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:50,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:50,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:50,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:50,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2023-11-24 22:56:50,847 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2023-11-24 22:56:50,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:56:50,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:50,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:50,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:50,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:50,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2023-11-24 22:56:50,923 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2023-11-24 22:56:50,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:56:50,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:50,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:51,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:51,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:51,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 72 states and 96 transitions. [2023-11-24 22:56:51,227 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 96 transitions. [2023-11-24 22:56:51,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:56:51,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:51,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:52,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:55,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:55,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 83 states and 112 transitions. [2023-11-24 22:56:55,251 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2023-11-24 22:56:55,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:56:55,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:55,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:56,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:01,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:01,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 97 states and 131 transitions. [2023-11-24 22:57:01,854 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 131 transitions. [2023-11-24 22:57:01,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:57:01,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:01,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:01,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:57:01,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:01,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 95 states and 129 transitions. [2023-11-24 22:57:01,960 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 129 transitions. [2023-11-24 22:57:01,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:57:01,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:01,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:02,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:57:02,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:02,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 103 states and 138 transitions. [2023-11-24 22:57:02,999 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 138 transitions. [2023-11-24 22:57:03,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:57:03,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:03,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:03,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:57:03,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:03,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 88 states and 119 transitions. [2023-11-24 22:57:03,424 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2023-11-24 22:57:03,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:57:03,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:03,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:04,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:10,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:10,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 99 states and 138 transitions. [2023-11-24 22:57:10,274 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 138 transitions. [2023-11-24 22:57:10,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:57:10,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:10,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:11,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:16,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:16,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 113 states and 157 transitions. [2023-11-24 22:57:16,986 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 157 transitions. [2023-11-24 22:57:16,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:57:16,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:16,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:17,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:57:20,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:20,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 124 states and 174 transitions. [2023-11-24 22:57:20,624 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 174 transitions. [2023-11-24 22:57:20,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:57:20,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:20,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:22,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:57:31,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:31,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 139 states and 195 transitions. [2023-11-24 22:57:31,644 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 195 transitions. [2023-11-24 22:57:31,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:57:31,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:31,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:32,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.