./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-queue-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843a59fd-e468-4716-88cd-ab8acbba5bad/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843a59fd-e468-4716-88cd-ab8acbba5bad/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_843a59fd-e468-4716-88cd-ab8acbba5bad/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843a59fd-e468-4716-88cd-ab8acbba5bad/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-queue-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843a59fd-e468-4716-88cd-ab8acbba5bad/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_843a59fd-e468-4716-88cd-ab8acbba5bad/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 af4a0e4f738e916feae01fb2c2f056f4ba7834b8a7b8d69765614c5417c16c63 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:07:24,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:07:24,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843a59fd-e468-4716-88cd-ab8acbba5bad/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:07:24,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:07:24,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:07:24,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:07:24,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:07:24,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:07:24,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:07:24,911 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:07:24,912 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:07:24,912 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:07:24,913 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:07:24,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:07:24,914 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:07:24,915 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:07:24,915 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:07:24,916 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:07:24,916 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:07:24,916 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:07:24,917 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:07:24,918 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:07:24,918 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:07:24,919 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:07:24,919 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:07:24,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:07:24,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:24,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:07:24,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:07:24,921 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:07:24,922 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:07:24,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:07:24,923 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:07:24,923 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_843a59fd-e468-4716-88cd-ab8acbba5bad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843a59fd-e468-4716-88cd-ab8acbba5bad/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af4a0e4f738e916feae01fb2c2f056f4ba7834b8a7b8d69765614c5417c16c63 [2023-11-24 23:07:25,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:07:25,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:07:25,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:07:25,205 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:07:25,205 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:07:25,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843a59fd-e468-4716-88cd-ab8acbba5bad/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/forester-heap/sll-queue-2.i [2023-11-24 23:07:28,365 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:07:28,625 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:07:28,625 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i [2023-11-24 23:07:28,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843a59fd-e468-4716-88cd-ab8acbba5bad/bin/ukojak-verify-afCqCEvfdi/data/e3ed274a3/e74224c6ee2a4b819950edde31fe404e/FLAG016dccf5e [2023-11-24 23:07:28,669 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843a59fd-e468-4716-88cd-ab8acbba5bad/bin/ukojak-verify-afCqCEvfdi/data/e3ed274a3/e74224c6ee2a4b819950edde31fe404e [2023-11-24 23:07:28,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:07:28,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:07:28,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:28,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:07:28,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:07:28,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:28" (1/1) ... [2023-11-24 23:07:28,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a25a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:28, skipping insertion in model container [2023-11-24 23:07:28,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:28" (1/1) ... [2023-11-24 23:07:28,744 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:07:29,105 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[22387,22400] [2023-11-24 23:07:29,113 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[22458,22471] [2023-11-24 23:07:29,114 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[22532,22545] [2023-11-24 23:07:29,116 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[22624,22637] [2023-11-24 23:07:29,117 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[22701,22714] [2023-11-24 23:07:29,119 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[22796,22809] [2023-11-24 23:07:29,121 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[22873,22886] [2023-11-24 23:07:29,123 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[22956,22969] [2023-11-24 23:07:29,125 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[23051,23064] [2023-11-24 23:07:29,126 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[23128,23141] [2023-11-24 23:07:29,128 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[23211,23224] [2023-11-24 23:07:29,130 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[23300,23313] [2023-11-24 23:07:29,134 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[23386,23399] [2023-11-24 23:07:29,136 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[23532,23545] [2023-11-24 23:07:29,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:29,160 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:07:29,209 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[22387,22400] [2023-11-24 23:07:29,210 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[22458,22471] [2023-11-24 23:07:29,215 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[22532,22545] [2023-11-24 23:07:29,219 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[22624,22637] [2023-11-24 23:07:29,220 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[22701,22714] [2023-11-24 23:07:29,223 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[22796,22809] [2023-11-24 23:07:29,225 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[22873,22886] [2023-11-24 23:07:29,226 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[22956,22969] [2023-11-24 23:07:29,227 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[23051,23064] [2023-11-24 23:07:29,229 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[23128,23141] [2023-11-24 23:07:29,230 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[23211,23224] [2023-11-24 23:07:29,231 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[23300,23313] [2023-11-24 23:07:29,233 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[23386,23399] [2023-11-24 23:07:29,237 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_843a59fd-e468-4716-88cd-ab8acbba5bad/sv-benchmarks/c/forester-heap/sll-queue-2.i[23532,23545] [2023-11-24 23:07:29,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:29,270 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:07:29,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29 WrapperNode [2023-11-24 23:07:29,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:29,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:29,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:07:29,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:07:29,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,298 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,336 INFO L138 Inliner]: procedures = 119, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 220 [2023-11-24 23:07:29,336 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:29,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:07:29,337 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:07:29,337 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:07:29,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,361 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,380 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,405 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,407 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:07:29,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:07:29,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:07:29,412 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:07:29,413 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:29,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843a59fd-e468-4716-88cd-ab8acbba5bad/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:07:29,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843a59fd-e468-4716-88cd-ab8acbba5bad/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:07:29,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843a59fd-e468-4716-88cd-ab8acbba5bad/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:07:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:07:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:07:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:07:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:07:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:07:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:07:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:07:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:07:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:07:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:07:29,692 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:07:29,695 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:07:30,085 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:07:30,187 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:07:30,187 INFO L309 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-24 23:07:30,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:30 BoogieIcfgContainer [2023-11-24 23:07:30,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:07:30,190 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:07:30,190 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:07:30,201 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:07:30,202 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:30" (1/1) ... [2023-11-24 23:07:30,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:07:30,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:30,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 76 states and 125 transitions. [2023-11-24 23:07:30,272 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 125 transitions. [2023-11-24 23:07:30,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:07:30,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:30,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:30,445 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 23:07:30,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:30,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 76 states and 120 transitions. [2023-11-24 23:07:30,477 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2023-11-24 23:07:30,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:07:30,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:30,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:30,651 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 23:07:30,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:30,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 79 states and 122 transitions. [2023-11-24 23:07:30,724 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions. [2023-11-24 23:07:30,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:07:30,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:30,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:30,803 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 23:07:30,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:30,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 80 states and 123 transitions. [2023-11-24 23:07:30,826 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2023-11-24 23:07:30,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:07:30,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:30,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:30,981 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 23:07:31,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:31,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 82 states and 124 transitions. [2023-11-24 23:07:31,088 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 124 transitions. [2023-11-24 23:07:31,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:07:31,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:31,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:31,185 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 23:07:31,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:31,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 87 states and 129 transitions. [2023-11-24 23:07:31,331 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2023-11-24 23:07:31,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:07:31,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:31,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:31,380 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 23:07:31,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:31,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 88 states and 127 transitions. [2023-11-24 23:07:31,402 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 127 transitions. [2023-11-24 23:07:31,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:07:31,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:31,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:31,442 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 23:07:31,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:31,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 89 states and 125 transitions. [2023-11-24 23:07:31,456 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 125 transitions. [2023-11-24 23:07:31,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:07:31,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:31,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:31,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:07:31,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:31,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2023-11-24 23:07:31,610 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2023-11-24 23:07:31,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:07:31,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:31,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:31,688 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 23:07:31,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:31,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2023-11-24 23:07:31,747 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2023-11-24 23:07:31,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:07:31,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:31,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:31,881 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 23:07:31,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:31,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 80 states and 110 transitions. [2023-11-24 23:07:31,931 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 110 transitions. [2023-11-24 23:07:31,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:07:31,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:31,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:32,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:32,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:32,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 89 states and 119 transitions. [2023-11-24 23:07:32,398 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 119 transitions. [2023-11-24 23:07:32,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:07:32,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:32,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:32,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:33,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:33,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 104 states and 136 transitions. [2023-11-24 23:07:33,484 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2023-11-24 23:07:33,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:07:33,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:33,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:33,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:33,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:33,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 106 states and 139 transitions. [2023-11-24 23:07:33,935 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 139 transitions. [2023-11-24 23:07:33,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:07:33,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:33,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:34,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:07:34,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:34,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 109 states and 141 transitions. [2023-11-24 23:07:34,126 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 141 transitions. [2023-11-24 23:07:34,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:07:34,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:34,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:34,208 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 23:07:34,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:34,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 111 states and 145 transitions. [2023-11-24 23:07:34,295 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 145 transitions. [2023-11-24 23:07:34,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:07:34,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:34,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:34,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:34,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:34,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 112 states and 147 transitions. [2023-11-24 23:07:34,390 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 147 transitions. [2023-11-24 23:07:34,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:07:34,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:34,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:34,446 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 23:07:34,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:34,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 114 states and 151 transitions. [2023-11-24 23:07:34,473 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 151 transitions. [2023-11-24 23:07:34,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:07:34,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:34,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:34,962 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:36,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:36,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 134 states and 180 transitions. [2023-11-24 23:07:36,093 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 180 transitions. [2023-11-24 23:07:36,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:07:36,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:36,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:36,333 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:37,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:37,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 144 states and 189 transitions. [2023-11-24 23:07:37,199 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 189 transitions. [2023-11-24 23:07:37,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:07:37,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:37,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:38,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:40,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:40,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 166 states and 226 transitions. [2023-11-24 23:07:40,929 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 226 transitions. [2023-11-24 23:07:40,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:07:40,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:40,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:41,994 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:44,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:44,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 186 states and 253 transitions. [2023-11-24 23:07:44,983 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 253 transitions. [2023-11-24 23:07:44,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:07:44,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:44,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:45,352 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:46,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:46,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 196 states and 268 transitions. [2023-11-24 23:07:46,719 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 268 transitions. [2023-11-24 23:07:46,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:07:46,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:46,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:46,805 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 23:07:48,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:48,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 201 states and 278 transitions. [2023-11-24 23:07:48,620 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 278 transitions. [2023-11-24 23:07:48,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:07:48,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:48,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:49,946 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:52,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:52,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 220 states and 309 transitions. [2023-11-24 23:07:52,564 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 309 transitions. [2023-11-24 23:07:52,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:07:52,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:52,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:53,913 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:00,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:00,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 239 states and 345 transitions. [2023-11-24 23:08:00,016 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 345 transitions. [2023-11-24 23:08:00,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:08:00,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:00,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:00,631 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:02,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:02,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 124 states and 163 transitions. [2023-11-24 23:08:02,756 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 163 transitions. [2023-11-24 23:08:02,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:08:02,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:02,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:02,886 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:02,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:02,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 125 states and 166 transitions. [2023-11-24 23:08:02,916 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 166 transitions. [2023-11-24 23:08:02,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:08:02,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:02,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:04,730 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:08,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:08,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 143 states and 187 transitions. [2023-11-24 23:08:08,713 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 187 transitions. [2023-11-24 23:08:08,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:08:08,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:08,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:10,099 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.