./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-queue-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-queue-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/bin/ukojak-verify-EEHR8qb7sm --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 a9a441ad5f70efa202eb02609b90cbc83f5bf4487618c2a09bffcfe320d65f90 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:01:48,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:01:48,304 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:01:48,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:01:48,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:01:48,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:01:48,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:01:48,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:01:48,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:01:48,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:01:48,361 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:01:48,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:01:48,362 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:01:48,363 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:01:48,363 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:01:48,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:01:48,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:01:48,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:01:48,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:01:48,366 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:01:48,366 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:01:48,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:01:48,366 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:01:48,366 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:01:48,366 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:01:48,366 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:01:48,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:01:48,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:01:48,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:01:48,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:01:48,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:01:48,367 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:01:48,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:01:48,367 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> a9a441ad5f70efa202eb02609b90cbc83f5bf4487618c2a09bffcfe320d65f90 [2024-11-13 21:01:48,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:01:48,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:01:48,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:01:48,715 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:01:48,715 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:01:48,717 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/forester-heap/sll-queue-1.i Unable to find full path for "g++" [2024-11-13 21:01:50,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:01:51,286 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:01:51,287 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i [2024-11-13 21:01:51,301 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/bin/ukojak-verify-EEHR8qb7sm/data/1277f076e/e86edc2080ed4b31b246fcf216180be1/FLAG87b2a79af [2024-11-13 21:01:51,488 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/bin/ukojak-verify-EEHR8qb7sm/data/1277f076e/e86edc2080ed4b31b246fcf216180be1 [2024-11-13 21:01:51,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:01:51,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:01:51,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:01:51,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:01:51,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:01:51,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:01:51" (1/1) ... [2024-11-13 21:01:51,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366e766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:51, skipping insertion in model container [2024-11-13 21:01:51,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:01:51" (1/1) ... [2024-11-13 21:01:51,536 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:01:51,848 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22387,22400] [2024-11-13 21:01:51,852 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22458,22471] [2024-11-13 21:01:51,853 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22532,22545] [2024-11-13 21:01:51,854 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22624,22637] [2024-11-13 21:01:51,854 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22701,22714] [2024-11-13 21:01:51,855 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22796,22809] [2024-11-13 21:01:51,856 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22873,22886] [2024-11-13 21:01:51,857 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22956,22969] [2024-11-13 21:01:51,858 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23051,23064] [2024-11-13 21:01:51,859 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23128,23141] [2024-11-13 21:01:51,860 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23211,23224] [2024-11-13 21:01:51,861 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23300,23313] [2024-11-13 21:01:51,863 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23386,23399] [2024-11-13 21:01:51,864 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23532,23545] [2024-11-13 21:01:51,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:01:51,876 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:01:51,921 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22387,22400] [2024-11-13 21:01:51,921 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22458,22471] [2024-11-13 21:01:51,925 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22532,22545] [2024-11-13 21:01:51,926 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22624,22637] [2024-11-13 21:01:51,927 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22701,22714] [2024-11-13 21:01:51,930 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22796,22809] [2024-11-13 21:01:51,930 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22873,22886] [2024-11-13 21:01:51,933 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[22956,22969] [2024-11-13 21:01:51,934 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23051,23064] [2024-11-13 21:01:51,938 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23128,23141] [2024-11-13 21:01:51,939 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23211,23224] [2024-11-13 21:01:51,940 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23300,23313] [2024-11-13 21:01:51,943 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23386,23399] [2024-11-13 21:01:51,944 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/sv-benchmarks/c/forester-heap/sll-queue-1.i[23532,23545] [2024-11-13 21:01:51,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:01:51,989 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:01:51,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:51 WrapperNode [2024-11-13 21:01:51,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:01:51,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:01:51,990 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:01:51,990 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:01:51,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:51" (1/1) ... [2024-11-13 21:01:52,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:51" (1/1) ... [2024-11-13 21:01:52,038 INFO L138 Inliner]: procedures = 119, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 203 [2024-11-13 21:01:52,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:01:52,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:01:52,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:01:52,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:01:52,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:51" (1/1) ... [2024-11-13 21:01:52,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:51" (1/1) ... [2024-11-13 21:01:52,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:51" (1/1) ... [2024-11-13 21:01:52,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:51" (1/1) ... [2024-11-13 21:01:52,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:51" (1/1) ... [2024-11-13 21:01:52,085 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:51" (1/1) ... [2024-11-13 21:01:52,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:51" (1/1) ... [2024-11-13 21:01:52,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:51" (1/1) ... [2024-11-13 21:01:52,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:01:52,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:01:52,099 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:01:52,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:01:52,100 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:51" (1/1) ... [2024-11-13 21:01:52,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:01:52,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:01:52,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:01:52,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18368f09-d123-4196-ae1a-093769a69f7f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:01:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:01:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:01:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:01:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:01:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 21:01:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 21:01:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:01:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:01:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:01:52,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:01:52,338 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:01:52,340 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:01:52,721 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 21:01:52,724 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:01:52,831 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:01:52,832 INFO L316 CfgBuilder]: Removed 31 assume(true) statements. [2024-11-13 21:01:52,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:01:52 BoogieIcfgContainer [2024-11-13 21:01:52,832 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:01:52,833 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:01:52,834 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:01:52,847 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:01:52,848 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:01:52" (1/1) ... [2024-11-13 21:01:52,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:01:52,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:52,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 76 states and 125 transitions. [2024-11-13 21:01:52,909 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 125 transitions. [2024-11-13 21:01:52,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:01:52,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:52,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:53,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:01:53,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:53,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 76 states and 120 transitions. [2024-11-13 21:01:53,128 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2024-11-13 21:01:53,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:01:53,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:53,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:53,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:01:53,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:53,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 79 states and 122 transitions. [2024-11-13 21:01:53,438 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions. [2024-11-13 21:01:53,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:01:53,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:53,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:53,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:01:53,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:53,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 80 states and 123 transitions. [2024-11-13 21:01:53,526 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2024-11-13 21:01:53,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:01:53,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:53,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:53,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:01:53,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:53,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 82 states and 124 transitions. [2024-11-13 21:01:53,770 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 124 transitions. [2024-11-13 21:01:53,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:01:53,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:53,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:53,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:01:54,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:54,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 87 states and 129 transitions. [2024-11-13 21:01:54,003 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2024-11-13 21:01:54,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:01:54,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:54,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:54,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:01:54,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:54,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 88 states and 127 transitions. [2024-11-13 21:01:54,063 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 127 transitions. [2024-11-13 21:01:54,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:01:54,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:54,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:54,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:01:54,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:54,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 89 states and 125 transitions. [2024-11-13 21:01:54,148 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 125 transitions. [2024-11-13 21:01:54,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:01:54,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:54,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:54,306 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 21:01:54,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:54,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2024-11-13 21:01:54,372 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2024-11-13 21:01:54,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:01:54,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:54,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:54,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:01:54,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:54,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2024-11-13 21:01:54,519 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2024-11-13 21:01:54,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:01:54,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:54,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:54,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:01:54,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:54,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 80 states and 110 transitions. [2024-11-13 21:01:54,710 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 110 transitions. [2024-11-13 21:01:54,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:01:54,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:54,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:54,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:01:55,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:55,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 89 states and 119 transitions. [2024-11-13 21:01:55,279 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 119 transitions. [2024-11-13 21:01:55,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:01:55,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:55,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:55,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:01:56,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:56,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 104 states and 137 transitions. [2024-11-13 21:01:56,589 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 137 transitions. [2024-11-13 21:01:56,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:01:56,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:56,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:56,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:01:57,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:57,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 106 states and 140 transitions. [2024-11-13 21:01:57,180 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 140 transitions. [2024-11-13 21:01:57,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:01:57,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:57,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:57,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 21:01:57,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:57,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 109 states and 142 transitions. [2024-11-13 21:01:57,409 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 142 transitions. [2024-11-13 21:01:57,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:01:57,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:57,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:57,483 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 21:01:57,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:57,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 111 states and 146 transitions. [2024-11-13 21:01:57,572 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 146 transitions. [2024-11-13 21:01:57,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:01:57,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:57,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:57,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:01:57,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:57,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 112 states and 150 transitions. [2024-11-13 21:01:57,853 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 150 transitions. [2024-11-13 21:01:57,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:01:57,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:57,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:57,932 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 21:01:58,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:58,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 114 states and 154 transitions. [2024-11-13 21:01:58,104 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2024-11-13 21:01:58,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 21:01:58,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:58,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:58,778 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:02:00,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:00,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 134 states and 184 transitions. [2024-11-13 21:02:00,150 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 184 transitions. [2024-11-13 21:02:00,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:02:00,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:00,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:00,372 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:02:01,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:01,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 144 states and 193 transitions. [2024-11-13 21:02:01,193 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 193 transitions. [2024-11-13 21:02:01,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:02:01,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:01,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:02,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:02:05,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:05,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 166 states and 233 transitions. [2024-11-13 21:02:05,390 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 233 transitions. [2024-11-13 21:02:05,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:02:05,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:05,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:06,711 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:02:09,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:09,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 186 states and 261 transitions. [2024-11-13 21:02:09,621 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 261 transitions. [2024-11-13 21:02:09,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:02:09,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:09,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:09,993 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:02:11,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:11,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 196 states and 276 transitions. [2024-11-13 21:02:11,390 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 276 transitions. [2024-11-13 21:02:11,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:02:11,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:11,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:11,460 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 21:02:13,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:13,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 201 states and 286 transitions. [2024-11-13 21:02:13,646 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 286 transitions. [2024-11-13 21:02:13,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:02:13,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:13,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:15,084 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:02:18,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:18,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 220 states and 318 transitions. [2024-11-13 21:02:18,516 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 318 transitions. [2024-11-13 21:02:18,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:02:18,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:18,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:20,234 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:02:28,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:28,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 239 states and 357 transitions. [2024-11-13 21:02:28,682 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 357 transitions. [2024-11-13 21:02:28,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:02:28,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:28,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:29,632 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:02:32,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:32,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 125 states and 168 transitions. [2024-11-13 21:02:32,397 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 168 transitions. [2024-11-13 21:02:32,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:02:32,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:32,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:32,656 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:02:33,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:33,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 126 states and 168 transitions. [2024-11-13 21:02:33,084 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 168 transitions. [2024-11-13 21:02:33,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 21:02:33,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:33,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:33,146 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 21:02:33,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:33,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 127 states and 171 transitions. [2024-11-13 21:02:33,568 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 171 transitions. [2024-11-13 21:02:33,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:02:33,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:33,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:35,871 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:02:41,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:41,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 145 states and 192 transitions. [2024-11-13 21:02:41,861 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 192 transitions. [2024-11-13 21:02:41,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:02:41,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:41,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:43,503 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:02:50,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:50,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 145 states and 191 transitions. [2024-11-13 21:02:50,761 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 191 transitions. [2024-11-13 21:02:50,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:02:50,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:50,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:51,677 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:02:52,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:52,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 145 states and 190 transitions. [2024-11-13 21:02:52,570 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 190 transitions. [2024-11-13 21:02:52,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:02:52,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:52,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:53,214 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:02:53,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:53,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 145 states and 189 transitions. [2024-11-13 21:02:53,881 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 189 transitions. [2024-11-13 21:02:53,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 21:02:53,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:53,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:55,049 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:02:57,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:57,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 151 states and 199 transitions. [2024-11-13 21:02:57,030 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 199 transitions. [2024-11-13 21:02:57,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 21:02:57,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:57,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:02:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:00,083 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:03:11,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:11,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 172 states and 229 transitions. [2024-11-13 21:03:11,589 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 229 transitions. [2024-11-13 21:03:11,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 21:03:11,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:11,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:12,459 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:03:14,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:14,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 174 states and 233 transitions. [2024-11-13 21:03:14,463 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 233 transitions. [2024-11-13 21:03:14,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 21:03:14,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:14,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:15,836 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:03:18,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:18,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 180 states and 245 transitions. [2024-11-13 21:03:18,562 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 245 transitions. [2024-11-13 21:03:18,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 21:03:18,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:18,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:22,936 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:03:37,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:37,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 204 states and 283 transitions. [2024-11-13 21:03:37,815 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 283 transitions. [2024-11-13 21:03:37,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 21:03:37,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:37,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:40,321 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:03:58,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:58,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 214 states and 306 transitions. [2024-11-13 21:03:58,623 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 306 transitions. [2024-11-13 21:03:58,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 21:03:58,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:58,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:59,430 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:04:00,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:00,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 214 states and 305 transitions. [2024-11-13 21:04:00,591 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 305 transitions. [2024-11-13 21:04:00,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 21:04:00,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:00,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:04:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:02,718 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:04:15,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:15,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 224 states and 327 transitions. [2024-11-13 21:04:15,535 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 327 transitions. [2024-11-13 21:04:15,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 21:04:15,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:15,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:04:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:17,378 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:04:22,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:22,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 233 states and 349 transitions. [2024-11-13 21:04:22,822 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 349 transitions. [2024-11-13 21:04:22,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:04:22,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:22,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:04:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:26,155 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:04:35,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:35,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 242 states and 368 transitions. [2024-11-13 21:04:35,109 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 368 transitions. [2024-11-13 21:04:35,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:04:35,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:35,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:04:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:38,415 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:04:52,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:52,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 260 states and 399 transitions. [2024-11-13 21:04:52,817 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 399 transitions. [2024-11-13 21:04:52,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:04:52,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:52,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:04:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:55,518 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:05:12,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:05:12,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 285 states and 446 transitions. [2024-11-13 21:05:12,413 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 446 transitions. [2024-11-13 21:05:12,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:05:12,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:05:12,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:05:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:14,867 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:05:37,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:05:37,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 295 states and 466 transitions. [2024-11-13 21:05:37,388 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 466 transitions. [2024-11-13 21:05:37,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:05:37,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:05:37,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:05:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:37,931 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:05:39,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:05:39,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 295 states and 465 transitions. [2024-11-13 21:05:39,342 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 465 transitions. [2024-11-13 21:05:39,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:05:39,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:05:39,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:05:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:42,140 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:05:45,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:05:45,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 295 states and 464 transitions. [2024-11-13 21:05:45,622 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 464 transitions. [2024-11-13 21:05:45,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 21:05:45,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:05:45,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:05:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:50,594 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:06:09,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:09,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 321 states and 510 transitions. [2024-11-13 21:06:09,720 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 510 transitions. [2024-11-13 21:06:09,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 21:06:09,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:09,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:11,493 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:06:13,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:13,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 324 states and 517 transitions. [2024-11-13 21:06:13,887 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 517 transitions. [2024-11-13 21:06:13,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 21:06:13,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:13,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:15,691 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:06:36,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:06:36,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 340 states and 546 transitions. [2024-11-13 21:06:36,030 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 546 transitions. [2024-11-13 21:06:36,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 21:06:36,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:06:36,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:06:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:06:39,923 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:00,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:00,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 365 states and 593 transitions. [2024-11-13 21:07:00,924 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 593 transitions. [2024-11-13 21:07:00,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 21:07:00,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:00,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:06,204 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:15,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:15,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 157 states and 200 transitions. [2024-11-13 21:07:15,506 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 200 transitions. [2024-11-13 21:07:15,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 21:07:15,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:15,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:07:27,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:27,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 137 states and 176 transitions. [2024-11-13 21:07:27,413 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 176 transitions. [2024-11-13 21:07:27,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 21:07:27,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:27,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:34,101 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:05,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:05,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 152 states and 205 transitions. [2024-11-13 21:08:05,002 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 205 transitions. [2024-11-13 21:08:05,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 21:08:05,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:05,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:11,123 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 6 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:09:13,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:09:13,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 187 states and 254 transitions. [2024-11-13 21:09:13,175 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 254 transitions. [2024-11-13 21:09:13,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 21:09:13,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:09:13,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:09:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:22,947 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:10:36,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:36,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 228 states and 316 transitions. [2024-11-13 21:10:36,342 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 316 transitions. [2024-11-13 21:10:36,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 21:10:36,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:10:36,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:10:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:47,200 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:11:20,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:20,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 240 states and 341 transitions. [2024-11-13 21:11:20,539 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 341 transitions. [2024-11-13 21:11:20,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 21:11:20,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:20,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:30,456 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 8 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:56,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:56,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 275 states and 391 transitions. [2024-11-13 21:12:56,766 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 391 transitions. [2024-11-13 21:12:56,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 21:12:56,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:56,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:12:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:10,009 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:34,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:34,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 252 states and 367 transitions. [2024-11-13 21:13:34,101 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 367 transitions. [2024-11-13 21:13:34,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 21:13:34,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:34,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:47,140 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:15:28,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:15:28,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 293 states and 428 transitions. [2024-11-13 21:15:28,040 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 428 transitions. [2024-11-13 21:15:28,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 21:15:28,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:15:28,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:15:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat