./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_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_918d142a-f601-4cb7-8908-f6b997c8db25/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918d142a-f601-4cb7-8908-f6b997c8db25/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_918d142a-f601-4cb7-8908-f6b997c8db25/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918d142a-f601-4cb7-8908-f6b997c8db25/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918d142a-f601-4cb7-8908-f6b997c8db25/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_918d142a-f601-4cb7-8908-f6b997c8db25/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 dbea62dc4a872959247118f049e63d406eb1e848bb1ed8397f1082fdec77074c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:35:13,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:35:13,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:35:13,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:35:13,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:35:13,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:35:13,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:35:13,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:35:13,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:35:13,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:35:13,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:35:13,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:35:13,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:35:13,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:35:13,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:35:13,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:35:13,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:35:13,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:35:13,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:35:13,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:35:13,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:35:13,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:35:13,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:35:13,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:35:13,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:35:13,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:35:13,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:35:13,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:35:13,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:35:13,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:35:13,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:35:13,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:35:13,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:35:13,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:35:13,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:35:13,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:35:13,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:35:13,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:35:13,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:35:13,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:35:13,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:35:13,305 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918d142a-f601-4cb7-8908-f6b997c8db25/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 04:35:13,330 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:35:13,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:35:13,332 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:35:13,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:35:13,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:35:13,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:35:13,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:35:13,334 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:35:13,339 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 04:35:13,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:35:13,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:35:13,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:35:13,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:35:13,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:35:13,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:35:13,340 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 04:35:13,340 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:35:13,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:35:13,341 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:35:13,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:35:13,341 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:35:13,342 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:35:13,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:35:13,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:35:13,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:35:13,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:35:13,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:35:13,343 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:35:13,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:35:13,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:35:13,346 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_918d142a-f601-4cb7-8908-f6b997c8db25/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918d142a-f601-4cb7-8908-f6b997c8db25/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbea62dc4a872959247118f049e63d406eb1e848bb1ed8397f1082fdec77074c [2021-11-21 04:35:13,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:35:13,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:35:13,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:35:13,616 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:35:13,617 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:35:13,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918d142a-f601-4cb7-8908-f6b997c8db25/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i [2021-11-21 04:35:13,711 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918d142a-f601-4cb7-8908-f6b997c8db25/bin/ukojak-vF6T2TMglN/data/1a5aea595/c1fec3507d7844f9940c4855ec95da0f/FLAG787e0aee7 [2021-11-21 04:35:14,280 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:35:14,280 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918d142a-f601-4cb7-8908-f6b997c8db25/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i [2021-11-21 04:35:14,300 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918d142a-f601-4cb7-8908-f6b997c8db25/bin/ukojak-vF6T2TMglN/data/1a5aea595/c1fec3507d7844f9940c4855ec95da0f/FLAG787e0aee7 [2021-11-21 04:35:14,534 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918d142a-f601-4cb7-8908-f6b997c8db25/bin/ukojak-vF6T2TMglN/data/1a5aea595/c1fec3507d7844f9940c4855ec95da0f [2021-11-21 04:35:14,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:35:14,538 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:35:14,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:35:14,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:35:14,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:35:14,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:35:14" (1/1) ... [2021-11-21 04:35:14,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea19007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:14, skipping insertion in model container [2021-11-21 04:35:14,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:35:14" (1/1) ... [2021-11-21 04:35:14,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:35:14,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:35:15,149 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_918d142a-f601-4cb7-8908-f6b997c8db25/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i[37019,37032] [2021-11-21 04:35:15,248 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_918d142a-f601-4cb7-8908-f6b997c8db25/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i[47352,47365] [2021-11-21 04:35:15,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:35:15,263 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:35:15,300 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_918d142a-f601-4cb7-8908-f6b997c8db25/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i[37019,37032] [2021-11-21 04:35:15,413 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_918d142a-f601-4cb7-8908-f6b997c8db25/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i[47352,47365] [2021-11-21 04:35:15,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:35:15,477 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:35:15,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:15 WrapperNode [2021-11-21 04:35:15,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:35:15,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:35:15,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:35:15,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:35:15,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:15" (1/1) ... [2021-11-21 04:35:15,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:15" (1/1) ... [2021-11-21 04:35:15,590 INFO L137 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 892 [2021-11-21 04:35:15,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:35:15,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:35:15,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:35:15,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:35:15,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:15" (1/1) ... [2021-11-21 04:35:15,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:15" (1/1) ... [2021-11-21 04:35:15,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:15" (1/1) ... [2021-11-21 04:35:15,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:15" (1/1) ... [2021-11-21 04:35:15,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:15" (1/1) ... [2021-11-21 04:35:15,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:15" (1/1) ... [2021-11-21 04:35:15,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:15" (1/1) ... [2021-11-21 04:35:15,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:35:15,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:35:15,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:35:15,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:35:15,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:35:15" (1/1) ... [2021-11-21 04:35:15,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:35:15,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918d142a-f601-4cb7-8908-f6b997c8db25/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:35:15,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918d142a-f601-4cb7-8908-f6b997c8db25/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:35:15,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918d142a-f601-4cb7-8908-f6b997c8db25/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:35:15,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 04:35:15,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 04:35:15,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 04:35:15,783 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 04:35:15,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 04:35:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 04:35:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 04:35:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 04:35:15,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 04:35:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 04:35:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 04:35:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:35:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 04:35:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 04:35:15,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:35:15,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:35:16,052 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:35:16,054 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:35:16,954 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:35:17,285 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:35:17,286 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-21 04:35:17,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:35:17 BoogieIcfgContainer [2021-11-21 04:35:17,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:35:17,289 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:35:17,289 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:35:17,299 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:35:17,299 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:35:17" (1/1) ... [2021-11-21 04:35:17,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:35:17,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:17,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 119 states and 198 transitions. [2021-11-21 04:35:17,370 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 198 transitions. [2021-11-21 04:35:17,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 04:35:17,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:17,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:17,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 04:35:17,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:17,601 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 04:35:17,677 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 04:35:17,688 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 04:35:17,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:17,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 122 states and 203 transitions. [2021-11-21 04:35:17,756 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 203 transitions. [2021-11-21 04:35:17,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 04:35:17,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:17,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:17,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 04:35:17,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:17,856 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 04:35:17,923 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 04:35:17,931 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 04:35:17,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:17,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 123 states and 204 transitions. [2021-11-21 04:35:17,951 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 204 transitions. [2021-11-21 04:35:17,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:35:17,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:17,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:18,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:35:18,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:18,067 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 04:35:18,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:18,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 123 states and 202 transitions. [2021-11-21 04:35:18,072 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 202 transitions. [2021-11-21 04:35:18,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 04:35:18,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:18,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:18,140 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 04:35:18,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:18,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 123 states and 197 transitions. [2021-11-21 04:35:18,216 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 197 transitions. [2021-11-21 04:35:18,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:35:18,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:18,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:18,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:35:18,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:18,285 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 04:35:18,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:18,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 123 states and 193 transitions. [2021-11-21 04:35:18,291 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 193 transitions. [2021-11-21 04:35:18,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 04:35:18,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:18,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:18,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:35:18,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:18,402 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 04:35:18,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:18,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 123 states and 187 transitions. [2021-11-21 04:35:18,410 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 187 transitions. [2021-11-21 04:35:18,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:35:18,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:18,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:18,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:35:18,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:18,576 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 04:35:18,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:18,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 123 states and 179 transitions. [2021-11-21 04:35:18,644 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2021-11-21 04:35:18,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 04:35:18,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:18,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:18,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:35:18,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:18,891 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 04:35:19,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:19,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 137 states and 196 transitions. [2021-11-21 04:35:19,232 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 196 transitions. [2021-11-21 04:35:19,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 04:35:19,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:19,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:19,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:35:19,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:19,363 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 04:35:19,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:19,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 137 states and 194 transitions. [2021-11-21 04:35:19,369 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 194 transitions. [2021-11-21 04:35:19,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:35:19,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:19,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:19,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:35:19,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:19,524 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 04:35:19,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:19,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 137 states and 192 transitions. [2021-11-21 04:35:19,529 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 192 transitions. [2021-11-21 04:35:19,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 04:35:19,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:19,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:19,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:35:19,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:19,730 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 04:35:19,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:19,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 04:35:19,744 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 04:35:19,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:35:19,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:19,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:19,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 04:35:19,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:20,088 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 04:35:20,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:20,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 04:35:20,149 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 04:35:20,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:35:20,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:20,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:20,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 04:35:20,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:20,445 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 04:35:20,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:20,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 04:35:20,451 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 04:35:20,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:35:20,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:20,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:20,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 04:35:20,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:20,833 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 04:35:20,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:20,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 04:35:20,837 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 04:35:20,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:35:20,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:20,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:21,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 04:35:21,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:21,096 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 04:35:21,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:21,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 04:35:21,102 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 04:35:21,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:35:21,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:21,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:21,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:35:21,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:21,495 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 04:35:21,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:21,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 142 states and 198 transitions. [2021-11-21 04:35:21,528 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 198 transitions. [2021-11-21 04:35:21,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 04:35:21,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:21,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:21,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 04:35:21,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:21,955 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 04:35:22,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:22,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 142 states and 198 transitions. [2021-11-21 04:35:22,059 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 198 transitions. [2021-11-21 04:35:22,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 04:35:22,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:22,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:22,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 04:35:22,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:22,342 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 04:35:22,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:22,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 144 states and 202 transitions. [2021-11-21 04:35:22,486 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 202 transitions. [2021-11-21 04:35:22,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 04:35:22,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:22,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:22,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 04:35:22,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:22,969 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 04:35:23,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:23,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 146 states and 205 transitions. [2021-11-21 04:35:23,248 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2021-11-21 04:35:23,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 04:35:23,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:23,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:23,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-21 04:35:23,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:23,975 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 04:35:24,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:24,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 146 states and 205 transitions. [2021-11-21 04:35:24,243 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2021-11-21 04:35:24,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 04:35:24,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:24,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:24,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 04:35:24,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:24,805 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 04:35:25,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:25,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 148 states and 211 transitions. [2021-11-21 04:35:25,065 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 211 transitions. [2021-11-21 04:35:25,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 04:35:25,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:25,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:25,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 04:35:25,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:25,777 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 04:35:26,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:26,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 147 states and 214 transitions. [2021-11-21 04:35:26,407 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 214 transitions. [2021-11-21 04:35:26,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 04:35:26,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:26,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:26,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 04:35:26,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:27,087 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 04:35:27,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:27,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 149 states and 217 transitions. [2021-11-21 04:35:27,743 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 217 transitions. [2021-11-21 04:35:27,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 04:35:27,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:27,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:28,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 04:35:28,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:29,051 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 04:35:29,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:29,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 151 states and 220 transitions. [2021-11-21 04:35:29,825 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 220 transitions. [2021-11-21 04:35:29,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 04:35:29,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:29,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:30,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-21 04:35:30,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:30,882 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 04:35:31,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:31,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 153 states and 230 transitions. [2021-11-21 04:35:31,789 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 230 transitions. [2021-11-21 04:35:31,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 04:35:31,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:31,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:32,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-21 04:35:32,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:32,959 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 04:35:33,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:33,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 155 states and 242 transitions. [2021-11-21 04:35:33,870 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 242 transitions. [2021-11-21 04:35:33,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 04:35:33,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:33,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:37,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-21 04:35:37,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:37,737 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 04:35:38,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:38,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 155 states and 242 transitions. [2021-11-21 04:35:38,387 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 242 transitions. [2021-11-21 04:35:38,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 04:35:38,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:38,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:39,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 04:35:39,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:39,336 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 04:35:39,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:39,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 157 states and 254 transitions. [2021-11-21 04:35:39,956 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 254 transitions. [2021-11-21 04:35:39,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 04:35:39,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:39,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:42,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-21 04:35:42,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:43,076 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 04:35:44,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:44,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 159 states and 267 transitions. [2021-11-21 04:35:44,470 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 267 transitions. [2021-11-21 04:35:44,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 04:35:44,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:44,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:45,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:35:45,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:46,409 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 04:35:47,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:47,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 159 states and 267 transitions. [2021-11-21 04:35:47,181 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 267 transitions. [2021-11-21 04:35:47,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 04:35:47,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:47,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:48,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-21 04:35:48,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:48,735 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 04:35:50,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:50,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 161 states and 270 transitions. [2021-11-21 04:35:50,031 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 270 transitions. [2021-11-21 04:35:50,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 04:35:50,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:50,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:50,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 04:35:50,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:51,405 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 04:35:53,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:53,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 163 states and 273 transitions. [2021-11-21 04:35:53,048 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 273 transitions. [2021-11-21 04:35:53,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 04:35:53,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:53,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:55,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-21 04:35:55,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:56,207 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 04:35:57,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:57,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 163 states and 273 transitions. [2021-11-21 04:35:57,471 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 273 transitions. [2021-11-21 04:35:57,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 04:35:57,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:57,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:59,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 04:35:59,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:36:00,272 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 04:36:02,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:02,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 165 states and 276 transitions. [2021-11-21 04:36:02,629 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 276 transitions. [2021-11-21 04:36:02,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 04:36:02,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:02,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 04:36:12,777 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 04:36:12,780 INFO L158 Benchmark]: Toolchain (without parser) took 58240.78ms. Allocated memory was 92.3MB in the beginning and 251.7MB in the end (delta: 159.4MB). Free memory was 57.3MB in the beginning and 119.8MB in the end (delta: -62.5MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. [2021-11-21 04:36:12,780 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 92.3MB. Free memory was 50.7MB in the beginning and 50.6MB in the end (delta: 75.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:36:12,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 938.60ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 57.2MB in the beginning and 75.6MB in the end (delta: -18.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 04:36:12,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.53ms. Allocated memory is still 123.7MB. Free memory was 75.6MB in the beginning and 69.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 04:36:12,782 INFO L158 Benchmark]: Boogie Preprocessor took 107.08ms. Allocated memory is still 123.7MB. Free memory was 69.3MB in the beginning and 63.0MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 04:36:12,783 INFO L158 Benchmark]: RCFGBuilder took 1589.71ms. Allocated memory is still 123.7MB. Free memory was 63.0MB in the beginning and 57.5MB in the end (delta: 5.5MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2021-11-21 04:36:12,784 INFO L158 Benchmark]: CodeCheck took 55489.20ms. Allocated memory was 123.7MB in the beginning and 251.7MB in the end (delta: 127.9MB). Free memory was 57.5MB in the beginning and 119.8MB in the end (delta: -62.4MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2021-11-21 04:36:12,788 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 92.3MB. Free memory was 50.7MB in the beginning and 50.6MB in the end (delta: 75.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 938.60ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 57.2MB in the beginning and 75.6MB in the end (delta: -18.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.53ms. Allocated memory is still 123.7MB. Free memory was 75.6MB in the beginning and 69.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.08ms. Allocated memory is still 123.7MB. Free memory was 69.3MB in the beginning and 63.0MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1589.71ms. Allocated memory is still 123.7MB. Free memory was 63.0MB in the beginning and 57.5MB in the end (delta: 5.5MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * CodeCheck took 55489.20ms. Allocated memory was 123.7MB in the beginning and 251.7MB in the end (delta: 127.9MB). Free memory was 57.5MB in the beginning and 119.8MB in the end (delta: -62.4MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 04:36:12,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_918d142a-f601-4cb7-8908-f6b997c8db25/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_918d142a-f601-4cb7-8908-f6b997c8db25/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