./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_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_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/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_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/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_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/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 1ccd4b93de7420a1f7847638daedeeee3b82eb082e434a23182d7e5e0aee2085 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:43:34,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:43:34,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:43:34,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:43:34,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:43:34,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:43:34,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:43:34,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:43:34,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:43:34,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:43:34,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:43:34,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:43:34,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:43:34,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:43:34,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:43:34,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:43:34,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:43:34,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:43:34,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:43:34,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:43:34,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:43:34,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:43:34,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:43:34,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:43:34,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:43:34,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:43:34,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:43:34,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:43:34,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:43:34,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:43:34,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:43:34,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:43:34,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:43:34,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:43:34,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:43:34,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:43:34,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:43:34,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:43:34,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:43:34,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:43:34,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:43:34,236 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 05:43:34,276 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:43:34,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:43:34,278 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:43:34,278 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:43:34,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:43:34,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:43:34,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:43:34,280 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:43:34,280 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:43:34,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:43:34,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:43:34,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:43:34,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:43:34,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:43:34,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:43:34,288 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 05:43:34,289 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:43:34,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:43:34,289 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:43:34,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:43:34,290 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:43:34,290 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:43:34,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:43:34,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:43:34,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:43:34,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:43:34,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:43:34,291 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:43:34,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:43:34,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:43:34,292 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_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ccd4b93de7420a1f7847638daedeeee3b82eb082e434a23182d7e5e0aee2085 [2021-11-21 05:43:34,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:43:34,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:43:34,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:43:34,567 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:43:34,571 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:43:34,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i [2021-11-21 05:43:34,654 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/bin/ukojak-vF6T2TMglN/data/3c26d8718/7af500a3974d4df09532fcf0713223c7/FLAG2d747ea26 [2021-11-21 05:43:35,320 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:43:35,320 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i [2021-11-21 05:43:35,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/bin/ukojak-vF6T2TMglN/data/3c26d8718/7af500a3974d4df09532fcf0713223c7/FLAG2d747ea26 [2021-11-21 05:43:35,542 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/bin/ukojak-vF6T2TMglN/data/3c26d8718/7af500a3974d4df09532fcf0713223c7 [2021-11-21 05:43:35,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:43:35,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:43:35,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:43:35,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:43:35,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:43:35,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:43:35" (1/1) ... [2021-11-21 05:43:35,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73dea17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:43:35, skipping insertion in model container [2021-11-21 05:43:35,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:43:35" (1/1) ... [2021-11-21 05:43:35,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:43:35,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:43:36,139 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_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[37019,37032] [2021-11-21 05:43:36,289 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_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[47352,47365] [2021-11-21 05:43:36,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:43:36,313 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:43:36,366 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_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[37019,37032] [2021-11-21 05:43:36,408 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_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i[47352,47365] [2021-11-21 05:43:36,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:43:36,462 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:43:36,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:43:36 WrapperNode [2021-11-21 05:43:36,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:43:36,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:43:36,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:43:36,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:43:36,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:43:36" (1/1) ... [2021-11-21 05:43:36,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:43:36" (1/1) ... [2021-11-21 05:43:36,587 INFO L137 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 892 [2021-11-21 05:43:36,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:43:36,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:43:36,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:43:36,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:43:36,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:43:36" (1/1) ... [2021-11-21 05:43:36,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:43:36" (1/1) ... [2021-11-21 05:43:36,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:43:36" (1/1) ... [2021-11-21 05:43:36,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:43:36" (1/1) ... [2021-11-21 05:43:36,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:43:36" (1/1) ... [2021-11-21 05:43:36,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:43:36" (1/1) ... [2021-11-21 05:43:36,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:43:36" (1/1) ... [2021-11-21 05:43:36,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:43:36,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:43:36,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:43:36,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:43:36,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:43:36" (1/1) ... [2021-11-21 05:43:36,717 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:43:36,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:43:36,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:43:36,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:43:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 05:43:36,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 05:43:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:43:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 05:43:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 05:43:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:43:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:43:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 05:43:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 05:43:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:43:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 05:43:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:43:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 05:43:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:43:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:43:36,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:43:37,075 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:43:37,077 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:43:37,992 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:43:38,349 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:43:38,349 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-21 05:43:38,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:43:38 BoogieIcfgContainer [2021-11-21 05:43:38,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:43:38,353 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:43:38,353 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:43:38,364 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:43:38,364 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:43:38" (1/1) ... [2021-11-21 05:43:38,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:43:38,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:38,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 119 states and 198 transitions. [2021-11-21 05:43:38,460 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 198 transitions. [2021-11-21 05:43:38,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:43:38,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:38,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:38,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 05:43:38,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:38,712 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 05:43:38,785 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 05:43:38,795 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 05:43:38,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:38,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 122 states and 203 transitions. [2021-11-21 05:43:38,858 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 203 transitions. [2021-11-21 05:43:38,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:43:38,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:38,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:38,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 05:43:38,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:38,954 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 05:43:39,010 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 05:43:39,018 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 05:43:39,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:39,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 123 states and 204 transitions. [2021-11-21 05:43:39,038 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 204 transitions. [2021-11-21 05:43:39,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:43:39,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:39,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:39,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:43:39,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:39,148 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 05:43:39,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:39,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 123 states and 202 transitions. [2021-11-21 05:43:39,154 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 202 transitions. [2021-11-21 05:43:39,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:43:39,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:39,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:39,255 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 05:43:39,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:39,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 123 states and 197 transitions. [2021-11-21 05:43:39,340 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 197 transitions. [2021-11-21 05:43:39,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:43:39,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:39,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:39,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:43:39,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:39,404 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 05:43:39,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:39,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 123 states and 193 transitions. [2021-11-21 05:43:39,409 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 193 transitions. [2021-11-21 05:43:39,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:43:39,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:39,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:39,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:43:39,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:39,522 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 05:43:39,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:39,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 123 states and 187 transitions. [2021-11-21 05:43:39,534 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 187 transitions. [2021-11-21 05:43:39,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:43:39,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:39,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:39,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:43:39,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:39,672 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 05:43:39,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:39,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 123 states and 179 transitions. [2021-11-21 05:43:39,738 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2021-11-21 05:43:39,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:43:39,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:39,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:39,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:43:39,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:39,985 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 05:43:40,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:40,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 137 states and 196 transitions. [2021-11-21 05:43:40,335 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 196 transitions. [2021-11-21 05:43:40,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:43:40,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:40,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:40,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:43:40,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:40,456 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 05:43:40,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:40,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 137 states and 194 transitions. [2021-11-21 05:43:40,463 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 194 transitions. [2021-11-21 05:43:40,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 05:43:40,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:40,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:40,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:43:40,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:40,634 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 05:43:40,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:40,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 137 states and 192 transitions. [2021-11-21 05:43:40,645 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 192 transitions. [2021-11-21 05:43:40,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:43:40,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:40,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:40,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:43:40,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:40,878 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 05:43:40,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:40,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 05:43:40,892 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 05:43:40,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 05:43:40,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:40,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:41,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 05:43:41,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:41,276 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 05:43:41,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:41,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 05:43:41,336 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 05:43:41,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 05:43:41,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:41,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:41,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 05:43:41,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:41,611 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 05:43:41,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:41,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 05:43:41,619 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 05:43:41,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 05:43:41,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:41,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:41,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 05:43:41,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:41,961 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 05:43:41,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:41,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 05:43:41,977 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 05:43:41,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 05:43:41,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:41,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:42,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 05:43:42,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:42,270 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 05:43:42,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:42,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 05:43:42,276 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 05:43:42,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 05:43:42,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:42,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:42,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:43:42,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:42,745 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 05:43:42,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:42,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 142 states and 198 transitions. [2021-11-21 05:43:42,783 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 198 transitions. [2021-11-21 05:43:42,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 05:43:42,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:42,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:43,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 05:43:43,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:43,223 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 05:43:43,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:43,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 142 states and 198 transitions. [2021-11-21 05:43:43,337 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 198 transitions. [2021-11-21 05:43:43,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 05:43:43,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:43,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:43,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 05:43:43,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:43,606 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 05:43:43,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:43,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 144 states and 202 transitions. [2021-11-21 05:43:43,708 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 202 transitions. [2021-11-21 05:43:43,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 05:43:43,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:43,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:43,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 05:43:43,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:44,133 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 05:43:44,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:44,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 146 states and 205 transitions. [2021-11-21 05:43:44,458 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2021-11-21 05:43:44,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 05:43:44,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:44,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:44,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-21 05:43:44,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:45,195 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 05:43:45,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:45,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 146 states and 205 transitions. [2021-11-21 05:43:45,484 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2021-11-21 05:43:45,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 05:43:45,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:45,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:45,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 05:43:45,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:46,003 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 05:43:46,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:46,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 148 states and 211 transitions. [2021-11-21 05:43:46,232 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 211 transitions. [2021-11-21 05:43:46,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 05:43:46,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:46,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:46,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 05:43:46,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:46,962 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 05:43:47,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:47,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 147 states and 214 transitions. [2021-11-21 05:43:47,626 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 214 transitions. [2021-11-21 05:43:47,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 05:43:47,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:47,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:47,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:43:47,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:48,238 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 05:43:48,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:48,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 149 states and 217 transitions. [2021-11-21 05:43:48,772 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 217 transitions. [2021-11-21 05:43:48,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:43:48,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:48,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:49,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 05:43:49,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:50,213 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 05:43:51,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:51,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 151 states and 220 transitions. [2021-11-21 05:43:51,003 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 220 transitions. [2021-11-21 05:43:51,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 05:43:51,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:51,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:51,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-21 05:43:51,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:52,097 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 05:43:52,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:52,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 153 states and 230 transitions. [2021-11-21 05:43:52,946 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 230 transitions. [2021-11-21 05:43:52,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 05:43:52,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:52,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:53,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-21 05:43:53,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:54,053 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 05:43:54,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:54,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 155 states and 242 transitions. [2021-11-21 05:43:54,926 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 242 transitions. [2021-11-21 05:43:54,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 05:43:54,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:54,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:58,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-21 05:43:58,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:43:58,533 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 05:43:59,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:59,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 155 states and 242 transitions. [2021-11-21 05:43:59,171 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 242 transitions. [2021-11-21 05:43:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 05:43:59,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:59,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:59,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 05:43:59,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:44:00,102 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 05:44:00,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:00,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 157 states and 254 transitions. [2021-11-21 05:44:00,739 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 254 transitions. [2021-11-21 05:44:00,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 05:44:00,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:00,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:03,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-21 05:44:03,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:44:03,657 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 05:44:05,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:05,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 159 states and 267 transitions. [2021-11-21 05:44:05,144 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 267 transitions. [2021-11-21 05:44:05,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 05:44:05,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:05,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:06,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 05:44:06,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:44:07,045 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 05:44:07,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:07,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 159 states and 267 transitions. [2021-11-21 05:44:07,845 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 267 transitions. [2021-11-21 05:44:07,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 05:44:07,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:07,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:08,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-21 05:44:08,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:44:09,366 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 05:44:10,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:10,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 161 states and 270 transitions. [2021-11-21 05:44:10,778 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 270 transitions. [2021-11-21 05:44:10,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 05:44:10,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:10,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:11,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:44:11,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:44:12,193 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 05:44:14,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:14,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 163 states and 273 transitions. [2021-11-21 05:44:14,237 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 273 transitions. [2021-11-21 05:44:14,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 05:44:14,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:14,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:16,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-21 05:44:16,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:44:17,942 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 05:44:19,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:19,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 163 states and 273 transitions. [2021-11-21 05:44:19,598 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 273 transitions. [2021-11-21 05:44:19,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 05:44:19,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:19,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:22,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 05:44:22,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:44:22,874 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 05:44:25,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:25,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 165 states and 276 transitions. [2021-11-21 05:44:25,627 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 276 transitions. [2021-11-21 05:44:25,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 05:44:25,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:25,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 05:44:35,770 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 05:44:35,774 INFO L158 Benchmark]: Toolchain (without parser) took 60227.07ms. Allocated memory was 104.9MB in the beginning and 184.5MB in the end (delta: 79.7MB). Free memory was 67.4MB in the beginning and 84.0MB in the end (delta: -16.5MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2021-11-21 05:44:35,775 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 79.7MB. Free memory was 55.1MB in the beginning and 55.0MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:44:35,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 916.01ms. Allocated memory is still 104.9MB. Free memory was 67.2MB in the beginning and 55.9MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 05:44:35,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.53ms. Allocated memory is still 104.9MB. Free memory was 55.9MB in the beginning and 49.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 05:44:35,777 INFO L158 Benchmark]: Boogie Preprocessor took 120.00ms. Allocated memory is still 104.9MB. Free memory was 49.6MB in the beginning and 43.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 05:44:35,778 INFO L158 Benchmark]: RCFGBuilder took 1642.86ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 43.3MB in the beginning and 102.1MB in the end (delta: -58.8MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2021-11-21 05:44:35,779 INFO L158 Benchmark]: CodeCheck took 57419.71ms. Allocated memory was 151.0MB in the beginning and 184.5MB in the end (delta: 33.6MB). Free memory was 102.1MB in the beginning and 84.0MB in the end (delta: 18.1MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2021-11-21 05:44:35,783 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 0.24ms. Allocated memory is still 79.7MB. Free memory was 55.1MB in the beginning and 55.0MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 916.01ms. Allocated memory is still 104.9MB. Free memory was 67.2MB in the beginning and 55.9MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.53ms. Allocated memory is still 104.9MB. Free memory was 55.9MB in the beginning and 49.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.00ms. Allocated memory is still 104.9MB. Free memory was 49.6MB in the beginning and 43.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1642.86ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 43.3MB in the beginning and 102.1MB in the end (delta: -58.8MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * CodeCheck took 57419.71ms. Allocated memory was 151.0MB in the beginning and 184.5MB in the end (delta: 33.6MB). Free memory was 102.1MB in the beginning and 84.0MB in the end (delta: 18.1MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 05:44:35,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/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_aa22be9f-8f53-42e4-b9a8-6429a7a5eba2/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