./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3503059c-672c-4e78-ad43-96364a28e132/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3503059c-672c-4e78-ad43-96364a28e132/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3503059c-672c-4e78-ad43-96364a28e132/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3503059c-672c-4e78-ad43-96364a28e132/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3503059c-672c-4e78-ad43-96364a28e132/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3503059c-672c-4e78-ad43-96364a28e132/bin/ukojak-d1pc8ZmBRL --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 1d2a98d270a821b4275b6b35f502458543f3a892fcdda158c69925a18d34f6cf --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:08:41,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:08:41,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:08:41,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:08:41,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:08:41,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:08:41,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:08:41,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:08:41,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:08:41,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:08:41,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:08:41,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:08:41,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:08:41,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:08:41,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:08:41,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:08:41,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:08:41,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:08:41,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:08:41,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:08:41,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:08:41,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:08:41,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:08:41,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:08:41,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:08:41,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:08:41,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:08:41,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:08:41,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:08:41,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:08:41,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:08:41,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:08:41,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:08:41,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:08:41,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:08:41,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:08:41,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:08:41,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:08:41,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:08:41,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:08:41,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:08:41,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3503059c-672c-4e78-ad43-96364a28e132/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-25 06:08:42,000 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:08:42,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:08:42,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:08:42,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:08:42,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:08:42,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:08:42,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:08:42,004 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:08:42,010 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 06:08:42,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:08:42,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:08:42,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:08:42,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:08:42,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:08:42,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:08:42,013 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 06:08:42,013 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:08:42,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:08:42,014 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:08:42,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:08:42,014 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:08:42,014 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:08:42,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:08:42,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:08:42,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:08:42,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:08:42,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:08:42,016 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:08:42,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:08:42,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:08:42,017 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_3503059c-672c-4e78-ad43-96364a28e132/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3503059c-672c-4e78-ad43-96364a28e132/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d2a98d270a821b4275b6b35f502458543f3a892fcdda158c69925a18d34f6cf [2021-11-25 06:08:42,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:08:42,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:08:42,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:08:42,302 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:08:42,303 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:08:42,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3503059c-672c-4e78-ad43-96364a28e132/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i [2021-11-25 06:08:42,381 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3503059c-672c-4e78-ad43-96364a28e132/bin/ukojak-d1pc8ZmBRL/data/cc696d728/b910fc1f69694be9bbc5e2ea9f6e48d7/FLAGf180aed7f [2021-11-25 06:08:43,106 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:08:43,107 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3503059c-672c-4e78-ad43-96364a28e132/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i [2021-11-25 06:08:43,131 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3503059c-672c-4e78-ad43-96364a28e132/bin/ukojak-d1pc8ZmBRL/data/cc696d728/b910fc1f69694be9bbc5e2ea9f6e48d7/FLAGf180aed7f [2021-11-25 06:08:43,297 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3503059c-672c-4e78-ad43-96364a28e132/bin/ukojak-d1pc8ZmBRL/data/cc696d728/b910fc1f69694be9bbc5e2ea9f6e48d7 [2021-11-25 06:08:43,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:08:43,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:08:43,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:08:43,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:08:43,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:08:43,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:08:43" (1/1) ... [2021-11-25 06:08:43,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@570ece23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:43, skipping insertion in model container [2021-11-25 06:08:43,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:08:43" (1/1) ... [2021-11-25 06:08:43,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:08:43,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:08:43,987 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_3503059c-672c-4e78-ad43-96364a28e132/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[44118,44131] [2021-11-25 06:08:44,001 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_3503059c-672c-4e78-ad43-96364a28e132/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[44660,44673] [2021-11-25 06:08:44,130 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_3503059c-672c-4e78-ad43-96364a28e132/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[56247,56260] [2021-11-25 06:08:44,131 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_3503059c-672c-4e78-ad43-96364a28e132/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[56368,56381] [2021-11-25 06:08:44,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:08:44,168 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:08:44,202 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_3503059c-672c-4e78-ad43-96364a28e132/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[44118,44131] [2021-11-25 06:08:44,213 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_3503059c-672c-4e78-ad43-96364a28e132/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[44660,44673] [2021-11-25 06:08:44,280 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_3503059c-672c-4e78-ad43-96364a28e132/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[56247,56260] [2021-11-25 06:08:44,285 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_3503059c-672c-4e78-ad43-96364a28e132/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[56368,56381] [2021-11-25 06:08:44,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:08:44,434 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:08:44,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:44 WrapperNode [2021-11-25 06:08:44,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:08:44,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:08:44,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:08:44,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:08:44,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:44" (1/1) ... [2021-11-25 06:08:44,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:44" (1/1) ... [2021-11-25 06:08:44,578 INFO L137 Inliner]: procedures = 282, calls = 347, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1209 [2021-11-25 06:08:44,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:08:44,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:08:44,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:08:44,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:08:44,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:44" (1/1) ... [2021-11-25 06:08:44,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:44" (1/1) ... [2021-11-25 06:08:44,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:44" (1/1) ... [2021-11-25 06:08:44,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:44" (1/1) ... [2021-11-25 06:08:44,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:44" (1/1) ... [2021-11-25 06:08:44,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:44" (1/1) ... [2021-11-25 06:08:44,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:44" (1/1) ... [2021-11-25 06:08:44,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:08:44,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:08:44,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:08:44,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:08:44,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:44" (1/1) ... [2021-11-25 06:08:44,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:08:44,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3503059c-672c-4e78-ad43-96364a28e132/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:08:44,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3503059c-672c-4e78-ad43-96364a28e132/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:08:44,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3503059c-672c-4e78-ad43-96364a28e132/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:08:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 06:08:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 06:08:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 06:08:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 06:08:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2021-11-25 06:08:44,833 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2021-11-25 06:08:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 06:08:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 06:08:44,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 06:08:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 06:08:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 06:08:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:08:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2021-11-25 06:08:44,835 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2021-11-25 06:08:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 06:08:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2021-11-25 06:08:44,835 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2021-11-25 06:08:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:08:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:08:44,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:08:45,149 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:08:45,151 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:08:46,226 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:08:46,703 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:08:46,703 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-25 06:08:46,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:08:46 BoogieIcfgContainer [2021-11-25 06:08:46,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:08:46,708 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:08:46,708 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:08:46,733 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:08:46,734 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:08:46" (1/1) ... [2021-11-25 06:08:46,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:08:46,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:46,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 176 states and 279 transitions. [2021-11-25 06:08:46,808 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 279 transitions. [2021-11-25 06:08:46,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 06:08:46,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:46,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:47,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-25 06:08:47,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:08:47,109 INFO L388 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 [2021-11-25 06:08:47,155 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-11-25 06:08:47,156 INFO L388 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 51 [2021-11-25 06:08:47,172 INFO L388 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 [2021-11-25 06:08:47,185 INFO L388 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 [2021-11-25 06:08:47,346 INFO L388 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 7 treesize of output 3 [2021-11-25 06:08:47,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 15 treesize of output 11 [2021-11-25 06:08:47,388 INFO L388 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 [2021-11-25 06:08:47,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:08:47,439 INFO L388 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 [2021-11-25 06:08:47,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:47,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:47,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 179 states and 284 transitions. [2021-11-25 06:08:47,508 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 284 transitions. [2021-11-25 06:08:47,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 06:08:47,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:47,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:47,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-25 06:08:47,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:08:47,633 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-11-25 06:08:47,633 INFO L388 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 51 [2021-11-25 06:08:47,640 INFO L388 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 [2021-11-25 06:08:47,647 INFO L388 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 [2021-11-25 06:08:47,788 INFO L388 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 11 [2021-11-25 06:08:47,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 15 treesize of output 11 [2021-11-25 06:08:47,821 INFO L388 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 [2021-11-25 06:08:47,832 INFO L388 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 [2021-11-25 06:08:47,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:08:47,860 INFO L388 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 [2021-11-25 06:08:47,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:47,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:47,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 180 states and 286 transitions. [2021-11-25 06:08:47,897 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 286 transitions. [2021-11-25 06:08:47,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:08:47,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:47,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:47,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:08:47,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:08:47,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:48,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:48,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 180 states and 284 transitions. [2021-11-25 06:08:48,005 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 284 transitions. [2021-11-25 06:08:48,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 06:08:48,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:48,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:48,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:48,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:48,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 180 states and 279 transitions. [2021-11-25 06:08:48,176 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 279 transitions. [2021-11-25 06:08:48,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 06:08:48,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:48,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:48,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:08:48,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:08:48,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:48,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:48,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 180 states and 273 transitions. [2021-11-25 06:08:48,338 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 273 transitions. [2021-11-25 06:08:48,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 06:08:48,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:48,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:48,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:08:48,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:08:48,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:48,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:48,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 180 states and 271 transitions. [2021-11-25 06:08:48,458 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 271 transitions. [2021-11-25 06:08:48,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 06:08:48,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:48,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:48,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:08:48,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:08:48,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:48,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:48,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 180 states and 269 transitions. [2021-11-25 06:08:48,602 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 269 transitions. [2021-11-25 06:08:48,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:08:48,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:48,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:48,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:08:48,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:08:48,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:49,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:49,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 197 states and 296 transitions. [2021-11-25 06:08:49,218 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 296 transitions. [2021-11-25 06:08:49,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 06:08:49,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:49,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:49,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:08:49,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:08:49,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:50,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:50,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 215 states and 324 transitions. [2021-11-25 06:08:50,157 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 324 transitions. [2021-11-25 06:08:50,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 06:08:50,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:50,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:50,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:08:50,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:08:50,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:50,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:50,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 215 states and 322 transitions. [2021-11-25 06:08:50,315 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 322 transitions. [2021-11-25 06:08:50,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 06:08:50,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:50,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:50,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:08:50,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:08:50,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:50,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:50,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 215 states and 318 transitions. [2021-11-25 06:08:50,461 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 318 transitions. [2021-11-25 06:08:50,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 06:08:50,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:50,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:50,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:08:50,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:08:50,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:08:50,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:50,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 218 states and 320 transitions. [2021-11-25 06:08:50,646 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 320 transitions. [2021-11-25 06:08:50,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 06:08:50,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:50,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:50,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:08:50,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:08:50,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:08:50,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:50,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 221 states and 322 transitions. [2021-11-25 06:08:50,821 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 322 transitions. [2021-11-25 06:08:50,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:08:50,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:50,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:51,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 1623 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:08:51,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:08:51,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:51,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:51,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 221 states and 316 transitions. [2021-11-25 06:08:51,438 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 316 transitions. [2021-11-25 06:08:51,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 06:08:51,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:51,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:51,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:08:51,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:08:51,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:52,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:52,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 247 states and 361 transitions. [2021-11-25 06:08:52,739 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 361 transitions. [2021-11-25 06:08:52,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 06:08:52,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:52,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:53,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 1624 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:08:53,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:08:53,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:53,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:53,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 256 states and 373 transitions. [2021-11-25 06:08:53,442 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 373 transitions. [2021-11-25 06:08:53,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 06:08:53,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:53,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:53,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:08:53,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:08:53,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:55,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:55,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 283 states and 421 transitions. [2021-11-25 06:08:55,094 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 421 transitions. [2021-11-25 06:08:55,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 06:08:55,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:55,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:55,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 1625 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:08:55,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:08:55,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:55,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:55,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 292 states and 434 transitions. [2021-11-25 06:08:55,852 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 434 transitions. [2021-11-25 06:08:55,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 06:08:55,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:55,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:56,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 1594 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:08:56,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:08:56,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:57,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:57,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 306 states and 453 transitions. [2021-11-25 06:08:57,833 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 453 transitions. [2021-11-25 06:08:57,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 06:08:57,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:57,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:57,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:08:57,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:08:58,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:08:58,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:58,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 309 states and 455 transitions. [2021-11-25 06:08:58,031 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 455 transitions. [2021-11-25 06:08:58,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 06:08:58,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:58,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:58,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:08:58,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:08:58,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:08:58,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:58,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 312 states and 457 transitions. [2021-11-25 06:08:58,263 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 457 transitions. [2021-11-25 06:08:58,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-25 06:08:58,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:58,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:58,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-25 06:08:58,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:08:58,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:09:00,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:00,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 328 states and 503 transitions. [2021-11-25 06:09:00,704 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 503 transitions. [2021-11-25 06:09:00,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 06:09:00,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:00,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:00,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 06:09:00,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:09:01,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:09:02,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:02,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 343 states and 546 transitions. [2021-11-25 06:09:02,543 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 546 transitions. [2021-11-25 06:09:02,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 06:09:02,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:02,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:03,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 1609 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:09:03,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:09:03,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:09:03,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:03,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 346 states and 548 transitions. [2021-11-25 06:09:03,162 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 548 transitions. [2021-11-25 06:09:03,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 06:09:03,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:03,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:03,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:09:03,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:09:03,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:09:03,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:03,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 350 states and 558 transitions. [2021-11-25 06:09:03,774 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 558 transitions. [2021-11-25 06:09:03,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 06:09:03,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:03,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:03,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:09:03,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:09:04,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:09:04,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:04,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 350 states and 554 transitions. [2021-11-25 06:09:04,097 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 554 transitions. [2021-11-25 06:09:04,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 06:09:04,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:04,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:04,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:09:04,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:09:04,391 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:09:04,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:04,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 348 states and 550 transitions. [2021-11-25 06:09:04,402 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 550 transitions. [2021-11-25 06:09:04,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 06:09:04,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:04,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:04,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 06:09:04,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:09:04,996 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:09:06,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:06,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 358 states and 582 transitions. [2021-11-25 06:09:06,804 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 582 transitions. [2021-11-25 06:09:06,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 06:09:06,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:06,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:06,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 06:09:06,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:09:07,345 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:09:09,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:09,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 366 states and 605 transitions. [2021-11-25 06:09:09,053 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 605 transitions. [2021-11-25 06:09:09,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 06:09:09,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:09,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:09,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 06:09:09,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:09:09,728 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:09:12,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:12,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 387 states and 664 transitions. [2021-11-25 06:09:12,456 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 664 transitions. [2021-11-25 06:09:12,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 06:09:12,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:12,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:12,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 06:09:12,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:09:12,839 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:09:14,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:14,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 390 states and 672 transitions. [2021-11-25 06:09:14,264 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 672 transitions. [2021-11-25 06:09:14,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 06:09:14,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:14,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:14,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 06:09:14,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:09:14,742 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:09:16,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:16,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 390 states and 669 transitions. [2021-11-25 06:09:16,034 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 669 transitions. [2021-11-25 06:09:16,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 06:09:16,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:16,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:16,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 06:09:16,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:09:17,287 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:09:28,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:28,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 409 states and 728 transitions. [2021-11-25 06:09:28,289 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 728 transitions. [2021-11-25 06:09:28,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-25 06:09:28,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:28,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:28,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 06:09:28,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:09:29,322 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:09:35,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:35,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 429 states and 791 transitions. [2021-11-25 06:09:35,964 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 791 transitions. [2021-11-25 06:09:35,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-25 06:09:35,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:35,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:36,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 06:09:36,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:09:37,085 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:09:39,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:39,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 431 states and 796 transitions. [2021-11-25 06:09:39,718 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 796 transitions. [2021-11-25 06:09:39,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-25 06:09:39,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:39,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:39,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 06:09:39,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:09:42,346 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 06:09:45,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:09:45,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 433 states and 798 transitions. [2021-11-25 06:09:45,901 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 798 transitions. [2021-11-25 06:09:45,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 06:09:45,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:09:45,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:09:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:09:46,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-25 06:09:46,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:09:49,334 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:10:14,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:10:14,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 441 states and 825 transitions. [2021-11-25 06:10:14,391 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 825 transitions. [2021-11-25 06:10:14,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 06:10:14,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:10:14,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:10:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:10:15,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-25 06:10:15,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:10:16,694 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:10:24,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:10:24,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 443 states and 829 transitions. [2021-11-25 06:10:24,024 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 829 transitions. [2021-11-25 06:10:24,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 06:10:24,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:10:24,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:10:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:10:24,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-25 06:10:24,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:10:24,897 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:10:45,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:10:45,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 447 states and 839 transitions. [2021-11-25 06:10:45,169 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 839 transitions. [2021-11-25 06:10:45,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 06:10:45,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:10:45,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:10:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:10:45,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-25 06:10:45,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:10:46,036 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:10:56,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:10:56,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 450 states and 846 transitions. [2021-11-25 06:10:56,958 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 846 transitions. [2021-11-25 06:10:56,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 06:10:56,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:10:56,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:10:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:10:57,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-25 06:10:57,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:10:59,552 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:11:09,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:11:09,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 452 states and 850 transitions. [2021-11-25 06:11:09,349 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 850 transitions. [2021-11-25 06:11:09,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 06:11:09,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:11:09,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:11:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:11:10,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-25 06:11:10,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:11:12,504 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:11:25,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:11:25,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 454 states and 855 transitions. [2021-11-25 06:11:25,630 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 855 transitions. [2021-11-25 06:11:25,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 06:11:25,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:11:25,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:11:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:11:25,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-25 06:11:25,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:11:29,556 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:11:46,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:11:46,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 453 states and 857 transitions. [2021-11-25 06:11:46,568 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 857 transitions. [2021-11-25 06:11:46,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 06:11:46,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:11:46,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:11:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:11:47,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-25 06:11:47,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:11:47,369 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-25 06:11:54,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:11:54,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 456 states and 865 transitions. [2021-11-25 06:11:54,762 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 865 transitions. [2021-11-25 06:11:54,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 06:11:54,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:11:54,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:11:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:11:55,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-25 06:11:55,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:11:55,800 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-25 06:12:13,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:13,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 459 states and 873 transitions. [2021-11-25 06:12:13,157 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 873 transitions. [2021-11-25 06:12:13,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-25 06:12:13,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:13,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:13,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-25 06:12:13,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:12:16,931 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:12:34,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:34,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 461 states and 880 transitions. [2021-11-25 06:12:34,187 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 880 transitions. [2021-11-25 06:12:34,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-25 06:12:34,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:34,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:35,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 06:12:35,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:12:39,179 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 30 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-25 06:13:22,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:13:22,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 464 states and 882 transitions. [2021-11-25 06:13:22,527 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 882 transitions. [2021-11-25 06:13:22,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-25 06:13:22,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:13:22,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:13:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:13:23,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 06:13:23,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:13:27,353 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:13:45,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:13:45,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 466 states and 889 transitions. [2021-11-25 06:13:45,415 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 889 transitions. [2021-11-25 06:13:45,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-25 06:13:45,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:13:45,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:13:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:13:46,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 06:13:46,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:13:51,248 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 26 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:14:11,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:14:11,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 468 states and 897 transitions. [2021-11-25 06:14:11,004 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 897 transitions. [2021-11-25 06:14:11,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-25 06:14:11,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:14:11,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:14:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:14:11,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-25 06:14:11,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:14:12,222 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-25 06:14:29,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:14:29,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 470 states and 901 transitions. [2021-11-25 06:14:29,877 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 901 transitions. [2021-11-25 06:14:29,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-25 06:14:29,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:14:29,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:14:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:14:31,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:14:31,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:14:36,034 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:14:57,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:14:57,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 472 states and 911 transitions. [2021-11-25 06:14:57,246 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 911 transitions. [2021-11-25 06:14:57,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 06:14:57,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:14:57,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:14:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:14:58,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-25 06:14:58,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:14:58,333 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-25 06:15:08,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:15:08,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 474 states and 915 transitions. [2021-11-25 06:15:08,814 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 915 transitions. [2021-11-25 06:15:08,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 06:15:08,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:15:08,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:15:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:15:10,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:15:10,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:15:16,542 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 30 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:15:43,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:15:43,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 476 states and 925 transitions. [2021-11-25 06:15:43,620 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 925 transitions. [2021-11-25 06:15:43,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-25 06:15:43,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:15:43,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:15:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:15:44,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 06:15:44,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:15:50,690 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 32 proven. 55 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:16:19,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:16:19,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 478 states and 936 transitions. [2021-11-25 06:16:19,168 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 936 transitions. [2021-11-25 06:16:19,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 06:16:19,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:16:19,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:16:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:16:20,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 988 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 06:16:20,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:16:27,312 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 34 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:16:59,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:16:59,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 480 states and 948 transitions. [2021-11-25 06:16:59,557 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 948 transitions. [2021-11-25 06:16:59,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-25 06:16:59,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:16:59,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:17:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:17:05,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-25 06:17:05,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:17:05,812 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-11-25 06:17:28,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:17:28,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 482 states and 952 transitions. [2021-11-25 06:17:28,361 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 952 transitions. [2021-11-25 06:17:28,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 06:17:28,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:17:28,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:17:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:17:29,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 1018 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:17:29,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:17:30,154 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-25 06:19:41,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:19:41,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 485 states and 951 transitions. [2021-11-25 06:19:41,970 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 951 transitions. [2021-11-25 06:19:41,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 06:19:41,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:19:41,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:19:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:19:44,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 1018 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:19:44,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:19:56,149 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 1 proven. 78 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-25 06:20:34,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:20:34,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 487 states and 954 transitions. [2021-11-25 06:20:34,008 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 954 transitions. [2021-11-25 06:20:34,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 06:20:34,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:20:34,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:20:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:20:35,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 1018 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:20:35,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:20:35,786 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 1 proven. 78 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-25 06:21:09,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:21:09,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 489 states and 957 transitions. [2021-11-25 06:21:09,760 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 957 transitions. [2021-11-25 06:21:09,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 06:21:09,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:21:09,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:21:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:21:13,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 1018 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-25 06:21:13,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:21:25,245 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 49 proven. 78 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:22:19,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:22:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 491 states and 969 transitions. [2021-11-25 06:22:19,212 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 969 transitions. [2021-11-25 06:22:19,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-25 06:22:19,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:22:19,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:22:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:22:21,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:22:21,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:22:21,432 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked.