./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a861be78-f776-4c1b-88ec-4e3ff6fe8617/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a861be78-f776-4c1b-88ec-4e3ff6fe8617/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a861be78-f776-4c1b-88ec-4e3ff6fe8617/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a861be78-f776-4c1b-88ec-4e3ff6fe8617/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a861be78-f776-4c1b-88ec-4e3ff6fe8617/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a861be78-f776-4c1b-88ec-4e3ff6fe8617/bin/ukojak-vF6T2TMglN --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 c2bc72e0ba847f7c079e01dc4ce9f95afa555e9d2ef7b4bcdf5e1274db86053e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:53:18,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:53:18,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:53:18,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:53:18,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:53:18,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:53:18,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:53:18,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:53:18,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:53:18,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:53:18,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:53:18,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:53:18,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:53:18,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:53:18,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:53:18,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:53:18,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:53:18,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:53:18,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:53:18,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:53:18,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:53:18,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:53:18,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:53:18,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:53:18,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:53:18,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:53:18,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:53:18,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:53:18,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:53:18,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:53:18,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:53:18,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:53:18,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:53:18,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:53:18,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:53:18,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:53:18,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:53:18,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:53:18,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:53:18,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:53:18,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:53:18,909 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a861be78-f776-4c1b-88ec-4e3ff6fe8617/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 04:53:18,956 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:53:18,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:53:18,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:53:18,958 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:53:18,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:53:18,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:53:18,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:53:18,959 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:53:18,960 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 04:53:18,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:53:18,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:53:18,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:53:18,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:53:18,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:53:18,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:53:18,962 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 04:53:18,962 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:53:18,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:53:18,963 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:53:18,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:53:18,963 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:53:18,963 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:53:18,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:53:18,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:53:18,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:53:18,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:53:18,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:53:18,965 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:53:18,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:53:18,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:53:18,967 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_a861be78-f776-4c1b-88ec-4e3ff6fe8617/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a861be78-f776-4c1b-88ec-4e3ff6fe8617/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2bc72e0ba847f7c079e01dc4ce9f95afa555e9d2ef7b4bcdf5e1274db86053e [2021-11-21 04:53:19,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:53:19,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:53:19,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:53:19,242 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:53:19,243 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:53:19,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a861be78-f776-4c1b-88ec-4e3ff6fe8617/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i [2021-11-21 04:53:19,338 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a861be78-f776-4c1b-88ec-4e3ff6fe8617/bin/ukojak-vF6T2TMglN/data/e6781a58a/acce7818727b462ba9b2cd97ff0d5a3c/FLAGf20e9c5e9 [2021-11-21 04:53:19,932 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:53:19,933 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a861be78-f776-4c1b-88ec-4e3ff6fe8617/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i [2021-11-21 04:53:19,966 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a861be78-f776-4c1b-88ec-4e3ff6fe8617/bin/ukojak-vF6T2TMglN/data/e6781a58a/acce7818727b462ba9b2cd97ff0d5a3c/FLAGf20e9c5e9 [2021-11-21 04:53:20,154 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a861be78-f776-4c1b-88ec-4e3ff6fe8617/bin/ukojak-vF6T2TMglN/data/e6781a58a/acce7818727b462ba9b2cd97ff0d5a3c [2021-11-21 04:53:20,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:53:20,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:53:20,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:53:20,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:53:20,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:53:20,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:53:20" (1/1) ... [2021-11-21 04:53:20,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63eb7283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:20, skipping insertion in model container [2021-11-21 04:53:20,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:53:20" (1/1) ... [2021-11-21 04:53:20,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:53:20,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:53:20,670 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_a861be78-f776-4c1b-88ec-4e3ff6fe8617/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[37019,37032] [2021-11-21 04:53:20,818 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_a861be78-f776-4c1b-88ec-4e3ff6fe8617/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[47352,47365] [2021-11-21 04:53:20,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:53:20,831 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:53:20,860 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_a861be78-f776-4c1b-88ec-4e3ff6fe8617/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[37019,37032] [2021-11-21 04:53:20,907 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_a861be78-f776-4c1b-88ec-4e3ff6fe8617/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[47352,47365] [2021-11-21 04:53:20,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:53:20,955 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:53:20,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:20 WrapperNode [2021-11-21 04:53:20,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:53:20,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:53:20,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:53:20,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:53:20,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:20" (1/1) ... [2021-11-21 04:53:21,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:20" (1/1) ... [2021-11-21 04:53:21,079 INFO L137 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 892 [2021-11-21 04:53:21,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:53:21,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:53:21,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:53:21,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:53:21,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:20" (1/1) ... [2021-11-21 04:53:21,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:20" (1/1) ... [2021-11-21 04:53:21,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:20" (1/1) ... [2021-11-21 04:53:21,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:20" (1/1) ... [2021-11-21 04:53:21,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:20" (1/1) ... [2021-11-21 04:53:21,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:20" (1/1) ... [2021-11-21 04:53:21,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:20" (1/1) ... [2021-11-21 04:53:21,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:53:21,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:53:21,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:53:21,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:53:21,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:20" (1/1) ... [2021-11-21 04:53:21,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:53:21,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a861be78-f776-4c1b-88ec-4e3ff6fe8617/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:53:21,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a861be78-f776-4c1b-88ec-4e3ff6fe8617/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:53:21,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a861be78-f776-4c1b-88ec-4e3ff6fe8617/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:53:21,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 04:53:21,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 04:53:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 04:53:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 04:53:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 04:53:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 04:53:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 04:53:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 04:53:21,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 04:53:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 04:53:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 04:53:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:53:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 04:53:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 04:53:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:53:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:53:21,502 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:53:21,503 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:53:22,413 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:53:22,700 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:53:22,700 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-21 04:53:22,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:53:22 BoogieIcfgContainer [2021-11-21 04:53:22,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:53:22,703 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:53:22,704 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:53:22,713 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:53:22,714 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:53:22" (1/1) ... [2021-11-21 04:53:22,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:53:22,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:22,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 119 states and 198 transitions. [2021-11-21 04:53:22,802 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 198 transitions. [2021-11-21 04:53:22,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 04:53:22,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:22,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:22,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 04:53:22,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:23,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2021-11-21 04:53:23,057 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 20 treesize of output 12 [2021-11-21 04:53:23,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:23,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:23,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 122 states and 203 transitions. [2021-11-21 04:53:23,115 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 203 transitions. [2021-11-21 04:53:23,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 04:53:23,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:23,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:23,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 04:53:23,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:23,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2021-11-21 04:53:23,210 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 20 treesize of output 12 [2021-11-21 04:53:23,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:23,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:23,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 123 states and 204 transitions. [2021-11-21 04:53:23,251 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 204 transitions. [2021-11-21 04:53:23,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:53:23,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:23,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:23,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:53:23,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:23,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:23,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:23,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 123 states and 202 transitions. [2021-11-21 04:53:23,365 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 202 transitions. [2021-11-21 04:53:23,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 04:53:23,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:23,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:23,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:23,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:23,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 123 states and 197 transitions. [2021-11-21 04:53:23,588 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 197 transitions. [2021-11-21 04:53:23,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:53:23,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:23,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:23,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:53:23,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:23,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:23,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:23,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 123 states and 193 transitions. [2021-11-21 04:53:23,703 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 193 transitions. [2021-11-21 04:53:23,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 04:53:23,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:23,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:23,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:53:23,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:23,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:23,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:23,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 123 states and 187 transitions. [2021-11-21 04:53:23,864 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 187 transitions. [2021-11-21 04:53:23,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:53:23,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:23,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:23,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:53:23,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:23,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:24,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:24,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 123 states and 179 transitions. [2021-11-21 04:53:24,058 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2021-11-21 04:53:24,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 04:53:24,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:24,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:24,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:53:24,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:24,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:24,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:24,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 137 states and 196 transitions. [2021-11-21 04:53:24,621 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 196 transitions. [2021-11-21 04:53:24,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 04:53:24,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:24,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:24,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:53:24,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:24,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:24,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:24,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 137 states and 194 transitions. [2021-11-21 04:53:24,760 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 194 transitions. [2021-11-21 04:53:24,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:53:24,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:24,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:24,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:53:24,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:24,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:24,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:24,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 137 states and 192 transitions. [2021-11-21 04:53:24,909 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 192 transitions. [2021-11-21 04:53:24,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 04:53:24,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:24,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:24,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:53:24,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:25,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:25,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:25,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 04:53:25,123 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 04:53:25,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:53:25,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:25,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:25,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 04:53:25,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:25,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:25,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:25,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 04:53:25,563 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 04:53:25,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:53:25,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:25,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:25,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 04:53:25,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:25,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:25,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:25,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 04:53:25,863 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 04:53:25,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:53:25,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:25,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:26,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 04:53:26,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:26,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:26,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:26,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 04:53:26,206 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 04:53:26,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:53:26,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:26,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:26,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 04:53:26,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:26,454 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:26,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:26,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 04:53:26,466 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 04:53:26,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:53:26,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:26,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:26,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:53:26,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:26,913 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:53:26,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:26,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 142 states and 198 transitions. [2021-11-21 04:53:26,952 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 198 transitions. [2021-11-21 04:53:26,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 04:53:26,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:26,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:27,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 04:53:27,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:27,408 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:53:27,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:27,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 142 states and 198 transitions. [2021-11-21 04:53:27,519 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 198 transitions. [2021-11-21 04:53:27,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 04:53:27,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:27,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:27,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 04:53:27,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:27,787 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:53:27,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:27,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 144 states and 202 transitions. [2021-11-21 04:53:27,901 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 202 transitions. [2021-11-21 04:53:27,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 04:53:27,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:27,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:28,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 04:53:28,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:28,302 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 04:53:28,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:28,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 146 states and 205 transitions. [2021-11-21 04:53:28,591 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2021-11-21 04:53:28,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 04:53:28,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:28,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:29,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-21 04:53:29,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:29,320 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 04:53:29,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:29,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 146 states and 205 transitions. [2021-11-21 04:53:29,613 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2021-11-21 04:53:29,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 04:53:29,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:29,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:29,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 04:53:29,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:30,163 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 04:53:30,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:30,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 148 states and 211 transitions. [2021-11-21 04:53:30,426 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 211 transitions. [2021-11-21 04:53:30,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 04:53:30,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:30,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:30,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 04:53:30,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:31,114 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 04:53:31,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:31,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 147 states and 214 transitions. [2021-11-21 04:53:31,780 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 214 transitions. [2021-11-21 04:53:31,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 04:53:31,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:31,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:32,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 04:53:32,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:32,495 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:53:33,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:33,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 149 states and 217 transitions. [2021-11-21 04:53:33,029 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 217 transitions. [2021-11-21 04:53:33,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 04:53:33,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:33,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:33,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 04:53:33,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:34,409 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 51 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 04:53:35,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:35,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 151 states and 220 transitions. [2021-11-21 04:53:35,176 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 220 transitions. [2021-11-21 04:53:35,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 04:53:35,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:35,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:35,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-21 04:53:35,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:36,190 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 66 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-21 04:53:37,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:37,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 153 states and 230 transitions. [2021-11-21 04:53:37,057 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 230 transitions. [2021-11-21 04:53:37,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 04:53:37,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:37,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:37,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-21 04:53:37,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:38,122 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 83 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-21 04:53:38,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:38,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 155 states and 242 transitions. [2021-11-21 04:53:38,930 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 242 transitions. [2021-11-21 04:53:38,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 04:53:38,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:38,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:42,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-21 04:53:42,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:42,770 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 11 proven. 171 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 04:53:43,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:43,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 155 states and 242 transitions. [2021-11-21 04:53:43,323 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 242 transitions. [2021-11-21 04:53:43,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 04:53:43,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:43,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:44,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 04:53:44,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:44,313 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 102 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-21 04:53:44,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:44,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 157 states and 254 transitions. [2021-11-21 04:53:44,839 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 254 transitions. [2021-11-21 04:53:44,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 04:53:44,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:44,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:47,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-21 04:53:47,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:47,860 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 123 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-21 04:53:49,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:49,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 159 states and 267 transitions. [2021-11-21 04:53:49,371 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 267 transitions. [2021-11-21 04:53:49,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 04:53:49,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:49,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:50,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:53:50,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:51,215 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 13 proven. 253 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 04:53:52,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:52,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 159 states and 267 transitions. [2021-11-21 04:53:52,079 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 267 transitions. [2021-11-21 04:53:52,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 04:53:52,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:52,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:53,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-21 04:53:53,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:53,618 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 146 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-21 04:53:55,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:55,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 161 states and 270 transitions. [2021-11-21 04:53:55,030 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 270 transitions. [2021-11-21 04:53:55,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 04:53:55,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:55,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:55,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 04:53:55,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:56,469 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 171 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-21 04:53:58,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:58,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 163 states and 273 transitions. [2021-11-21 04:53:58,080 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 273 transitions. [2021-11-21 04:53:58,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 04:53:58,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:58,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:00,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-21 04:54:00,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:01,081 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 43 proven. 322 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:54:02,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:02,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 163 states and 273 transitions. [2021-11-21 04:54:02,277 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 273 transitions. [2021-11-21 04:54:02,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 04:54:02,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:02,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:54:04,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 04:54:04,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:54:05,021 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 198 proven. 91 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-21 04:54:07,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:54:07,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 165 states and 276 transitions. [2021-11-21 04:54:07,203 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 276 transitions. [2021-11-21 04:54:07,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 04:54:07,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:54:07,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:54:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 04:54:17,358 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-21 04:54:17,362 INFO L158 Benchmark]: Toolchain (without parser) took 57203.44ms. Allocated memory was 100.7MB in the beginning and 226.5MB in the end (delta: 125.8MB). Free memory was 69.1MB in the beginning and 85.8MB in the end (delta: -16.7MB). Peak memory consumption was 109.0MB. Max. memory is 16.1GB. [2021-11-21 04:54:17,363 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 100.7MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:54:17,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 797.28ms. Allocated memory is still 100.7MB. Free memory was 68.9MB in the beginning and 51.1MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-21 04:54:17,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.87ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 51.1MB in the beginning and 93.8MB in the end (delta: -42.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2021-11-21 04:54:17,365 INFO L158 Benchmark]: Boogie Preprocessor took 122.67ms. Allocated memory is still 121.6MB. Free memory was 93.8MB in the beginning and 87.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 04:54:17,366 INFO L158 Benchmark]: RCFGBuilder took 1498.35ms. Allocated memory is still 121.6MB. Free memory was 87.5MB in the beginning and 73.8MB in the end (delta: 13.8MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2021-11-21 04:54:17,366 INFO L158 Benchmark]: CodeCheck took 54657.27ms. Allocated memory was 121.6MB in the beginning and 226.5MB in the end (delta: 104.9MB). Free memory was 73.8MB in the beginning and 85.8MB in the end (delta: -12.1MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. [2021-11-21 04:54:17,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 100.7MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 797.28ms. Allocated memory is still 100.7MB. Free memory was 68.9MB in the beginning and 51.1MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.87ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 51.1MB in the beginning and 93.8MB in the end (delta: -42.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 122.67ms. Allocated memory is still 121.6MB. Free memory was 93.8MB in the beginning and 87.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1498.35ms. Allocated memory is still 121.6MB. Free memory was 87.5MB in the beginning and 73.8MB in the end (delta: 13.8MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. * CodeCheck took 54657.27ms. Allocated memory was 121.6MB in the beginning and 226.5MB in the end (delta: 104.9MB). Free memory was 73.8MB in the beginning and 85.8MB in the end (delta: -12.1MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 04:54:17,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a861be78-f776-4c1b-88ec-4e3ff6fe8617/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a861be78-f776-4c1b-88ec-4e3ff6fe8617/bin/ukojak-vF6T2TMglN/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown