./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e79437e-4cfb-40b3-95b3-91dda4c785a2/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e79437e-4cfb-40b3-95b3-91dda4c785a2/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e79437e-4cfb-40b3-95b3-91dda4c785a2/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e79437e-4cfb-40b3-95b3-91dda4c785a2/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e79437e-4cfb-40b3-95b3-91dda4c785a2/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e79437e-4cfb-40b3-95b3-91dda4c785a2/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:54:46,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:54:46,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:54:46,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:54:46,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:54:46,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:54:46,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:54:46,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:54:46,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:54:46,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:54:46,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:54:46,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:54:46,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:54:46,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:54:46,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:54:46,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:54:46,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:54:46,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:54:46,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:54:46,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:54:46,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:54:46,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:54:46,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:54:46,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:54:46,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:54:46,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:54:46,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:54:46,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:54:46,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:54:46,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:54:46,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:54:46,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:54:46,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:54:46,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:54:46,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:54:46,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:54:46,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:54:46,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:54:46,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:54:46,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:54:46,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:54:46,962 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e79437e-4cfb-40b3-95b3-91dda4c785a2/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-10-17 16:54:47,010 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:54:47,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:54:47,012 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:54:47,012 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:54:47,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:54:47,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:54:47,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:54:47,014 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:54:47,014 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:54:47,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:54:47,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:54:47,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:54:47,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:54:47,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:54:47,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:54:47,017 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:54:47,017 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:54:47,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:54:47,018 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:54:47,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:54:47,018 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:54:47,018 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:54:47,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:54:47,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:47,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:54:47,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:54:47,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:54:47,022 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:54:47,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:54:47,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:54:47,022 INFO L138 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_3e79437e-4cfb-40b3-95b3-91dda4c785a2/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e79437e-4cfb-40b3-95b3-91dda4c785a2/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d [2022-10-17 16:54:47,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:54:47,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:54:47,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:54:47,346 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:54:47,347 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:54:47,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e79437e-4cfb-40b3-95b3-91dda4c785a2/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2022-10-17 16:54:47,434 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e79437e-4cfb-40b3-95b3-91dda4c785a2/bin/ukojak-92XMlrwhuB/data/876ae0d19/b2e75141448249c7aaab443104e623c5/FLAG4f14342d4 [2022-10-17 16:54:48,214 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:54:48,215 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e79437e-4cfb-40b3-95b3-91dda4c785a2/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2022-10-17 16:54:48,243 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e79437e-4cfb-40b3-95b3-91dda4c785a2/bin/ukojak-92XMlrwhuB/data/876ae0d19/b2e75141448249c7aaab443104e623c5/FLAG4f14342d4 [2022-10-17 16:54:48,430 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e79437e-4cfb-40b3-95b3-91dda4c785a2/bin/ukojak-92XMlrwhuB/data/876ae0d19/b2e75141448249c7aaab443104e623c5 [2022-10-17 16:54:48,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:54:48,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:54:48,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:48,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:54:48,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:54:48,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:48" (1/1) ... [2022-10-17 16:54:48,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29c3b54c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:48, skipping insertion in model container [2022-10-17 16:54:48,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:48" (1/1) ... [2022-10-17 16:54:48,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:54:48,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:54:49,268 WARN L230 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_3e79437e-4cfb-40b3-95b3-91dda4c785a2/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44118,44131] [2022-10-17 16:54:49,294 WARN L230 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_3e79437e-4cfb-40b3-95b3-91dda4c785a2/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44660,44673] [2022-10-17 16:54:49,410 WARN L230 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_3e79437e-4cfb-40b3-95b3-91dda4c785a2/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56247,56260] [2022-10-17 16:54:49,411 WARN L230 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_3e79437e-4cfb-40b3-95b3-91dda4c785a2/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56368,56381] [2022-10-17 16:54:49,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:49,432 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:54:49,465 WARN L230 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_3e79437e-4cfb-40b3-95b3-91dda4c785a2/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44118,44131] [2022-10-17 16:54:49,468 WARN L230 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_3e79437e-4cfb-40b3-95b3-91dda4c785a2/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44660,44673] [2022-10-17 16:54:49,546 WARN L230 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_3e79437e-4cfb-40b3-95b3-91dda4c785a2/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56247,56260] [2022-10-17 16:54:49,547 WARN L230 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_3e79437e-4cfb-40b3-95b3-91dda4c785a2/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56368,56381] [2022-10-17 16:54:49,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:49,669 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:54:49,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:49 WrapperNode [2022-10-17 16:54:49,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:49,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:49,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:54:49,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:54:49,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:49" (1/1) ... [2022-10-17 16:54:49,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:49" (1/1) ... [2022-10-17 16:54:49,833 INFO L138 Inliner]: procedures = 282, calls = 294, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1050 [2022-10-17 16:54:49,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:49,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:54:49,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:54:49,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:54:49,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:49" (1/1) ... [2022-10-17 16:54:49,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:49" (1/1) ... [2022-10-17 16:54:49,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:49" (1/1) ... [2022-10-17 16:54:49,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:49" (1/1) ... [2022-10-17 16:54:49,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:49" (1/1) ... [2022-10-17 16:54:49,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:49" (1/1) ... [2022-10-17 16:54:49,972 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:49" (1/1) ... [2022-10-17 16:54:49,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:49" (1/1) ... [2022-10-17 16:54:50,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:54:50,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:54:50,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:54:50,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:54:50,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:49" (1/1) ... [2022-10-17 16:54:50,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:50,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e79437e-4cfb-40b3-95b3-91dda4c785a2/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:54:50,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e79437e-4cfb-40b3-95b3-91dda4c785a2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:54:50,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e79437e-4cfb-40b3-95b3-91dda4c785a2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:54:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:54:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-17 16:54:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:54:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:54:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2022-10-17 16:54:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2022-10-17 16:54:50,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:54:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:54:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:54:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:54:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:54:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:54:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2022-10-17 16:54:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2022-10-17 16:54:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:54:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2022-10-17 16:54:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2022-10-17 16:54:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:54:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:54:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:54:50,411 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:54:50,414 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:54:52,404 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:54:52,808 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:54:52,808 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-10-17 16:54:52,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:52 BoogieIcfgContainer [2022-10-17 16:54:52,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:54:52,812 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:54:52,813 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:54:52,825 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:54:52,825 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:52" (1/1) ... [2022-10-17 16:54:52,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:54:52,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:52,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 158 states and 248 transitions. [2022-10-17 16:54:52,908 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 248 transitions. [2022-10-17 16:54:52,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:54:52,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:52,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:53,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:54:53,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:53,308 INFO L356 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-10-17 16:54:53,309 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 74 [2022-10-17 16:54:53,328 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-10-17 16:54:53,348 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-10-17 16:54:53,461 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 11 [2022-10-17 16:54:53,468 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-10-17 16:54:53,488 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-10-17 16:54:53,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:54:53,547 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-10-17 16:54:53,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:53,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:53,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 161 states and 253 transitions. [2022-10-17 16:54:53,636 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 253 transitions. [2022-10-17 16:54:53,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:54:53,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:53,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:53,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:54:53,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:53,796 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-10-17 16:54:53,834 INFO L356 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-10-17 16:54:53,834 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 74 [2022-10-17 16:54:53,850 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-10-17 16:54:53,885 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-10-17 16:54:53,955 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:54:53,957 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2022-10-17 16:54:53,962 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-10-17 16:54:53,990 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 11 [2022-10-17 16:54:53,996 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-10-17 16:54:54,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:54:54,044 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-10-17 16:54:54,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:54,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:54,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 162 states and 254 transitions. [2022-10-17 16:54:54,165 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 254 transitions. [2022-10-17 16:54:54,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:54:54,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:54,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:54,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:54:54,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:54,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:54,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:54,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 162 states and 252 transitions. [2022-10-17 16:54:54,311 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 252 transitions. [2022-10-17 16:54:54,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:54:54,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:54,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:54,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:54,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:54,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 162 states and 247 transitions. [2022-10-17 16:54:54,714 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 247 transitions. [2022-10-17 16:54:54,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:54:54,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:54,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:54,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:54:54,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:54,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:54,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:54,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 162 states and 241 transitions. [2022-10-17 16:54:54,841 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 241 transitions. [2022-10-17 16:54:54,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:54:54,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:54,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:54,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:54:54,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:55,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:55,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:55,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 162 states and 239 transitions. [2022-10-17 16:54:55,023 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 239 transitions. [2022-10-17 16:54:55,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:54:55,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:55,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:55,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:54:55,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:55,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:55,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:55,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 162 states and 237 transitions. [2022-10-17 16:54:55,197 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 237 transitions. [2022-10-17 16:54:55,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:54:55,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:55,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:55,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:54:55,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:55,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:55,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:55,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 179 states and 263 transitions. [2022-10-17 16:54:55,864 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 263 transitions. [2022-10-17 16:54:55,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:54:55,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:55,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:56,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:54:56,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:56,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:56,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:56,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 197 states and 290 transitions. [2022-10-17 16:54:56,830 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 290 transitions. [2022-10-17 16:54:56,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:54:56,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:56,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:56,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:54:56,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:56,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:56,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:56,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 197 states and 288 transitions. [2022-10-17 16:54:56,977 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 288 transitions. [2022-10-17 16:54:56,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:54:56,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:56,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:57,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:54:57,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:57,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:57,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:57,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 197 states and 284 transitions. [2022-10-17 16:54:57,134 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 284 transitions. [2022-10-17 16:54:57,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:54:57,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:57,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:57,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:54:57,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:57,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:54:57,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:57,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 200 states and 286 transitions. [2022-10-17 16:54:57,361 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 286 transitions. [2022-10-17 16:54:57,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:54:57,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:57,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:57,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:54:57,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:57,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:54:57,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:57,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 203 states and 288 transitions. [2022-10-17 16:54:57,582 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 288 transitions. [2022-10-17 16:54:57,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:54:57,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:57,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:58,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 1628 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:54:58,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:58,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:58,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:58,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 203 states and 282 transitions. [2022-10-17 16:54:58,303 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 282 transitions. [2022-10-17 16:54:58,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:54:58,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:58,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:58,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:54:58,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:58,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:59,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:59,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 229 states and 326 transitions. [2022-10-17 16:54:59,976 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 326 transitions. [2022-10-17 16:54:59,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:54:59,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:59,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:00,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:55:00,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:00,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:00,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:00,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 238 states and 338 transitions. [2022-10-17 16:55:00,909 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 338 transitions. [2022-10-17 16:55:00,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:55:00,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:00,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:01,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:55:01,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:01,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:02,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:02,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 265 states and 385 transitions. [2022-10-17 16:55:02,940 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 385 transitions. [2022-10-17 16:55:02,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:55:02,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:02,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:03,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 1631 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:55:03,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:03,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:03,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:03,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 274 states and 398 transitions. [2022-10-17 16:55:03,786 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 398 transitions. [2022-10-17 16:55:03,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:55:03,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:03,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:04,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 1600 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:55:04,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:04,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:05,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:05,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 288 states and 416 transitions. [2022-10-17 16:55:05,618 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 416 transitions. [2022-10-17 16:55:05,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:55:05,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:05,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:05,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:55:05,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:05,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:55:05,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:05,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 291 states and 418 transitions. [2022-10-17 16:55:05,888 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 418 transitions. [2022-10-17 16:55:05,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:55:05,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:05,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:06,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:55:06,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:06,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:55:06,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:06,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 294 states and 420 transitions. [2022-10-17 16:55:06,151 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 420 transitions. [2022-10-17 16:55:06,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:55:06,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:06,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:06,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:55:06,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:06,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:09,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:09,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 310 states and 466 transitions. [2022-10-17 16:55:09,632 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 466 transitions. [2022-10-17 16:55:09,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:55:09,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:09,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:09,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:55:09,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:10,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:11,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:11,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 325 states and 509 transitions. [2022-10-17 16:55:11,639 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 509 transitions. [2022-10-17 16:55:11,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:55:11,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:11,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:12,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 1620 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:55:12,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:12,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:55:12,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:12,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 328 states and 511 transitions. [2022-10-17 16:55:12,407 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 511 transitions. [2022-10-17 16:55:12,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:55:12,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:12,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:12,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:55:12,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:12,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:13,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:13,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 332 states and 521 transitions. [2022-10-17 16:55:13,112 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 521 transitions. [2022-10-17 16:55:13,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:55:13,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:13,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:13,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:55:13,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:13,393 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:55:13,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:13,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 332 states and 517 transitions. [2022-10-17 16:55:13,476 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 517 transitions. [2022-10-17 16:55:13,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:55:13,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:13,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:13,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:55:13,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:13,779 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:55:13,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:13,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 330 states and 513 transitions. [2022-10-17 16:55:13,809 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 513 transitions. [2022-10-17 16:55:13,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:55:13,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:13,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:14,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:55:14,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:14,613 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.