./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a688cec-31da-4fb4-befc-63235784a20f/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a688cec-31da-4fb4-befc-63235784a20f/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a688cec-31da-4fb4-befc-63235784a20f/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a688cec-31da-4fb4-befc-63235784a20f/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a688cec-31da-4fb4-befc-63235784a20f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a688cec-31da-4fb4-befc-63235784a20f/bin/ukojak-LBtLqBUTdQ --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 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:09:30,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:09:30,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:09:30,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:09:30,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:09:30,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:09:30,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:09:30,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:09:30,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:09:30,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:09:30,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:09:30,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:09:30,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:09:30,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:09:30,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:09:30,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:09:30,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:09:30,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:09:30,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:09:30,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:09:30,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:09:30,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:09:30,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:09:30,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:09:30,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:09:30,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:09:30,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:09:30,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:09:30,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:09:30,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:09:30,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:09:30,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:09:30,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:09:30,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:09:30,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:09:30,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:09:30,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:09:30,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:09:30,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:09:30,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:09:30,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:09:30,183 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a688cec-31da-4fb4-befc-63235784a20f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-23 01:09:30,231 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:09:30,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:09:30,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:09:30,234 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:09:30,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:09:30,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:09:30,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:09:30,236 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:09:30,236 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:09:30,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:09:30,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:09:30,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:09:30,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:09:30,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:09:30,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:09:30,238 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 01:09:30,239 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:09:30,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:09:30,239 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:09:30,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:09:30,240 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:09:30,240 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:09:30,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:09:30,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:09:30,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:09:30,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:09:30,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:09:30,241 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:09:30,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:09:30,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:09:30,244 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_8a688cec-31da-4fb4-befc-63235784a20f/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a688cec-31da-4fb4-befc-63235784a20f/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b [2021-11-23 01:09:30,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:09:30,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:09:30,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:09:30,526 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:09:30,526 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:09:30,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a688cec-31da-4fb4-befc-63235784a20f/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2021-11-23 01:09:30,616 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a688cec-31da-4fb4-befc-63235784a20f/bin/ukojak-LBtLqBUTdQ/data/be3628c60/55723658516c44f28d6300f4db9eb7d1/FLAG7e116972f [2021-11-23 01:09:31,250 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:09:31,254 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a688cec-31da-4fb4-befc-63235784a20f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2021-11-23 01:09:31,292 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a688cec-31da-4fb4-befc-63235784a20f/bin/ukojak-LBtLqBUTdQ/data/be3628c60/55723658516c44f28d6300f4db9eb7d1/FLAG7e116972f [2021-11-23 01:09:31,436 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a688cec-31da-4fb4-befc-63235784a20f/bin/ukojak-LBtLqBUTdQ/data/be3628c60/55723658516c44f28d6300f4db9eb7d1 [2021-11-23 01:09:31,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:09:31,440 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:09:31,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:09:31,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:09:31,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:09:31,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:09:31" (1/1) ... [2021-11-23 01:09:31,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@be57c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:31, skipping insertion in model container [2021-11-23 01:09:31,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:09:31" (1/1) ... [2021-11-23 01:09:31,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:09:31,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:09:31,974 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_8a688cec-31da-4fb4-befc-63235784a20f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[37019,37032] [2021-11-23 01:09:32,067 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_8a688cec-31da-4fb4-befc-63235784a20f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[47352,47365] [2021-11-23 01:09:32,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:09:32,097 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:09:32,156 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_8a688cec-31da-4fb4-befc-63235784a20f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[37019,37032] [2021-11-23 01:09:32,215 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_8a688cec-31da-4fb4-befc-63235784a20f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[47352,47365] [2021-11-23 01:09:32,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:09:32,284 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:09:32,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:32 WrapperNode [2021-11-23 01:09:32,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:09:32,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:09:32,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:09:32,286 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:09:32,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:32" (1/1) ... [2021-11-23 01:09:32,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:32" (1/1) ... [2021-11-23 01:09:32,411 INFO L137 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 892 [2021-11-23 01:09:32,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:09:32,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:09:32,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:09:32,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:09:32,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:32" (1/1) ... [2021-11-23 01:09:32,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:32" (1/1) ... [2021-11-23 01:09:32,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:32" (1/1) ... [2021-11-23 01:09:32,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:32" (1/1) ... [2021-11-23 01:09:32,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:32" (1/1) ... [2021-11-23 01:09:32,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:32" (1/1) ... [2021-11-23 01:09:32,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:32" (1/1) ... [2021-11-23 01:09:32,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:09:32,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:09:32,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:09:32,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:09:32,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:32" (1/1) ... [2021-11-23 01:09:32,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:09:32,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a688cec-31da-4fb4-befc-63235784a20f/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:09:32,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a688cec-31da-4fb4-befc-63235784a20f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:09:32,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a688cec-31da-4fb4-befc-63235784a20f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:09:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 01:09:32,679 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 01:09:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:09:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 01:09:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:09:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:09:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:09:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:09:32,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:09:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:09:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:09:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:09:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:09:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:09:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:09:32,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:09:32,988 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:09:32,989 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:09:34,075 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:09:34,492 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:09:34,492 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-23 01:09:34,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:09:34 BoogieIcfgContainer [2021-11-23 01:09:34,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:09:34,500 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:09:34,500 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:09:34,511 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:09:34,512 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:09:34" (1/1) ... [2021-11-23 01:09:34,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:09:34,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:34,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 119 states and 198 transitions. [2021-11-23 01:09:34,626 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 198 transitions. [2021-11-23 01:09:34,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:09:34,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:34,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:34,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:09:34,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:34,913 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 [2021-11-23 01:09:35,012 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 [2021-11-23 01:09:35,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:35,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:35,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 122 states and 203 transitions. [2021-11-23 01:09:35,109 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 203 transitions. [2021-11-23 01:09:35,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:09:35,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:35,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:35,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:09:35,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:35,207 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 [2021-11-23 01:09:35,268 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 [2021-11-23 01:09:35,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:35,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:35,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 123 states and 204 transitions. [2021-11-23 01:09:35,305 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 204 transitions. [2021-11-23 01:09:35,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:09:35,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:35,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:35,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 01:09:35,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:35,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:35,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:35,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 123 states and 202 transitions. [2021-11-23 01:09:35,388 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 202 transitions. [2021-11-23 01:09:35,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:09:35,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:35,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:35,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:35,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:35,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 123 states and 197 transitions. [2021-11-23 01:09:35,629 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 197 transitions. [2021-11-23 01:09:35,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:09:35,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:35,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:35,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 01:09:35,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:35,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:35,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:35,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 123 states and 193 transitions. [2021-11-23 01:09:35,763 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 193 transitions. [2021-11-23 01:09:35,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:09:35,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:35,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:35,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 01:09:35,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:35,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:35,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:35,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 123 states and 187 transitions. [2021-11-23 01:09:35,882 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 187 transitions. [2021-11-23 01:09:35,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:09:35,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:35,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:35,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 01:09:35,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:36,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:36,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:36,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 123 states and 179 transitions. [2021-11-23 01:09:36,130 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2021-11-23 01:09:36,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:09:36,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:36,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:36,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:09:36,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:36,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:36,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:36,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 137 states and 196 transitions. [2021-11-23 01:09:36,779 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 196 transitions. [2021-11-23 01:09:36,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:09:36,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:36,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:36,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 01:09:36,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:36,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:36,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:36,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 137 states and 194 transitions. [2021-11-23 01:09:36,933 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 194 transitions. [2021-11-23 01:09:36,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:09:36,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:36,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:37,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 01:09:37,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:37,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:37,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:37,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 137 states and 192 transitions. [2021-11-23 01:09:37,085 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 192 transitions. [2021-11-23 01:09:37,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:09:37,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:37,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:37,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:09:37,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:37,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:09:37,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:37,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-23 01:09:37,325 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-23 01:09:37,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:09:37,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:37,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:37,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:09:37,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:37,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:09:37,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:37,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-23 01:09:37,930 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-23 01:09:37,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:09:37,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:37,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:38,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:09:38,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:38,231 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:09:38,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:38,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-23 01:09:38,239 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-23 01:09:38,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:09:38,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:38,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:38,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:09:38,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:38,637 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:09:38,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:38,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-23 01:09:38,645 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-23 01:09:38,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:09:38,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:38,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:38,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:09:38,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:38,926 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:09:38,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:38,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-23 01:09:38,931 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-23 01:09:38,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:09:38,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:38,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:39,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:09:39,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:39,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:09:39,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:39,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 142 states and 198 transitions. [2021-11-23 01:09:39,439 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 198 transitions. [2021-11-23 01:09:39,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:09:39,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:39,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:39,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:09:39,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:39,928 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:09:40,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:40,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 142 states and 198 transitions. [2021-11-23 01:09:40,068 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 198 transitions. [2021-11-23 01:09:40,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:09:40,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:40,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:40,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:09:40,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:40,348 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:09:40,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:40,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 144 states and 202 transitions. [2021-11-23 01:09:40,479 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 202 transitions. [2021-11-23 01:09:40,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:09:40,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:40,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:40,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:09:40,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:40,945 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:09:41,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:41,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 146 states and 205 transitions. [2021-11-23 01:09:41,271 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2021-11-23 01:09:41,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:09:41,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:41,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:41,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:41,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:09:41,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:42,100 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:09:42,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:42,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 146 states and 205 transitions. [2021-11-23 01:09:42,462 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2021-11-23 01:09:42,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:09:42,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:42,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:42,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:09:42,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:43,083 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:09:43,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:43,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 148 states and 211 transitions. [2021-11-23 01:09:43,325 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 211 transitions. [2021-11-23 01:09:43,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:09:43,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:43,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:43,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:09:43,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:44,108 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:09:44,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:44,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 147 states and 214 transitions. [2021-11-23 01:09:44,964 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 214 transitions. [2021-11-23 01:09:44,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:09:44,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:44,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:45,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 01:09:45,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:45,823 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:09:46,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:46,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 149 states and 217 transitions. [2021-11-23 01:09:46,457 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 217 transitions. [2021-11-23 01:09:46,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:09:46,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:46,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:47,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:09:47,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:48,120 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 51 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:09:49,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:49,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 151 states and 220 transitions. [2021-11-23 01:09:49,104 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 220 transitions. [2021-11-23 01:09:49,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:09:49,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:49,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:49,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:09:49,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:50,360 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 66 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:09:51,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:51,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 153 states and 230 transitions. [2021-11-23 01:09:51,427 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 230 transitions. [2021-11-23 01:09:51,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:09:51,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:51,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:52,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:09:52,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:52,804 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 83 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:09:53,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:53,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 155 states and 242 transitions. [2021-11-23 01:09:53,889 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 242 transitions. [2021-11-23 01:09:53,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:09:53,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:53,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:58,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:09:58,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:59,111 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 11 proven. 171 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:09:59,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:59,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 155 states and 242 transitions. [2021-11-23 01:09:59,870 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 242 transitions. [2021-11-23 01:09:59,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:09:59,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:59,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:00,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:10:00,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:01,089 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 102 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:10:01,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:01,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 157 states and 254 transitions. [2021-11-23 01:10:01,842 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 254 transitions. [2021-11-23 01:10:01,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:10:01,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:01,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:05,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:10:05,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:05,777 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 123 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-23 01:10:07,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:07,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 159 states and 267 transitions. [2021-11-23 01:10:07,505 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 267 transitions. [2021-11-23 01:10:07,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:10:07,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:07,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:09,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:10:09,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:09,810 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 13 proven. 253 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:10:10,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:10,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 159 states and 267 transitions. [2021-11-23 01:10:10,710 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 267 transitions. [2021-11-23 01:10:10,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:10:10,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:10,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:12,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-23 01:10:12,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:12,650 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 146 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 01:10:14,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:14,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 161 states and 270 transitions. [2021-11-23 01:10:14,197 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 270 transitions. [2021-11-23 01:10:14,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:10:14,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:14,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:14,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 01:10:14,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:15,877 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 171 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-23 01:10:17,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:17,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 163 states and 273 transitions. [2021-11-23 01:10:17,915 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 273 transitions. [2021-11-23 01:10:17,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:10:17,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:17,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:20,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-23 01:10:20,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:21,681 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 43 proven. 322 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:10:23,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:23,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 163 states and 273 transitions. [2021-11-23 01:10:23,255 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 273 transitions. [2021-11-23 01:10:23,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:10:23,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:23,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:25,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:10:25,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:26,513 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 198 proven. 91 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-23 01:10:29,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:29,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 165 states and 276 transitions. [2021-11-23 01:10:29,174 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 276 transitions. [2021-11-23 01:10:29,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:10:29,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:29,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-23 01:10:39,321 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) [2021-11-23 01:10:39,325 INFO L158 Benchmark]: Toolchain (without parser) took 67884.53ms. Allocated memory was 109.1MB in the beginning and 190.8MB in the end (delta: 81.8MB). Free memory was 73.4MB in the beginning and 71.4MB in the end (delta: 2.0MB). Peak memory consumption was 85.2MB. Max. memory is 16.1GB. [2021-11-23 01:10:39,326 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 81.8MB. Free memory was 43.8MB in the beginning and 43.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:10:39,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 836.73ms. Allocated memory is still 109.1MB. Free memory was 73.1MB in the beginning and 59.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 01:10:39,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.14ms. Allocated memory is still 109.1MB. Free memory was 59.6MB in the beginning and 53.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:10:39,327 INFO L158 Benchmark]: Boogie Preprocessor took 161.65ms. Allocated memory is still 109.1MB. Free memory was 53.3MB in the beginning and 47.5MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:10:39,328 INFO L158 Benchmark]: RCFGBuilder took 1924.04ms. Allocated memory was 109.1MB in the beginning and 136.3MB in the end (delta: 27.3MB). Free memory was 47.0MB in the beginning and 99.8MB in the end (delta: -52.8MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2021-11-23 01:10:39,329 INFO L158 Benchmark]: CodeCheck took 64823.80ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 99.8MB in the beginning and 71.4MB in the end (delta: 28.4MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2021-11-23 01:10:39,333 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 0.31ms. Allocated memory is still 81.8MB. Free memory was 43.8MB in the beginning and 43.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 836.73ms. Allocated memory is still 109.1MB. Free memory was 73.1MB in the beginning and 59.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.14ms. Allocated memory is still 109.1MB. Free memory was 59.6MB in the beginning and 53.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 161.65ms. Allocated memory is still 109.1MB. Free memory was 53.3MB in the beginning and 47.5MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1924.04ms. Allocated memory was 109.1MB in the beginning and 136.3MB in the end (delta: 27.3MB). Free memory was 47.0MB in the beginning and 99.8MB in the end (delta: -52.8MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * CodeCheck took 64823.80ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 99.8MB in the beginning and 71.4MB in the end (delta: 28.4MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:10:39,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a688cec-31da-4fb4-befc-63235784a20f/bin/ukojak-LBtLqBUTdQ/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_8a688cec-31da-4fb4-befc-63235784a20f/bin/ukojak-LBtLqBUTdQ/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