./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/heap-manipulation/tree-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:22:22,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:22:22,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:22:22,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:22:22,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:22:22,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:22:22,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:22:22,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:22:22,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:22:22,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:22:22,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:22:22,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:22:22,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:22:22,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:22:22,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:22:22,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:22:22,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:22:22,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:22:22,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:22:22,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:22:22,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:22:22,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:22:22,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:22:22,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:22:22,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:22:22,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:22:22,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:22:22,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:22:22,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:22:22,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:22:22,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:22:22,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:22:22,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:22:22,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:22:22,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:22:22,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:22:22,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:22:22,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:22:22,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:22:22,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:22:22,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:22:22,372 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-10-29 03:22:22,419 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:22:22,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:22:22,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:22:22,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:22:22,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:22:22,422 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:22:22,422 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:22:22,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:22:22,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:22:22,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:22:22,431 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 03:22:22,431 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 03:22:22,431 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 03:22:22,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:22:22,432 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:22:22,432 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:22:22,432 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:22:22,433 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:22:22,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:22:22,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:22:22,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:22:22,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:22:22,434 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:22:22,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:22:22,434 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_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a [2021-10-29 03:22:22,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:22:22,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:22:22,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:22:22,765 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:22:22,766 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:22:22,767 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/heap-manipulation/tree-2.i [2021-10-29 03:22:22,878 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/data/12affe2e4/f41842c32a4b45ffbae9d5fe8d39f10b/FLAGc8b7bfc3a [2021-10-29 03:22:23,470 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:22:23,471 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/sv-benchmarks/c/heap-manipulation/tree-2.i [2021-10-29 03:22:23,498 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/data/12affe2e4/f41842c32a4b45ffbae9d5fe8d39f10b/FLAGc8b7bfc3a [2021-10-29 03:22:23,739 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/data/12affe2e4/f41842c32a4b45ffbae9d5fe8d39f10b [2021-10-29 03:22:23,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:22:23,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:22:23,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:22:23,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:22:23,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:22:23,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:22:23" (1/1) ... [2021-10-29 03:22:23,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56241225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:23, skipping insertion in model container [2021-10-29 03:22:23,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:22:23" (1/1) ... [2021-10-29 03:22:23,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:22:23,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:22:24,119 WARN L228 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_4705b483-7e51-4ee9-bea7-b453e7c6409d/sv-benchmarks/c/heap-manipulation/tree-2.i[22626,22639] [2021-10-29 03:22:24,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:22:24,151 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:22:24,187 WARN L228 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_4705b483-7e51-4ee9-bea7-b453e7c6409d/sv-benchmarks/c/heap-manipulation/tree-2.i[22626,22639] [2021-10-29 03:22:24,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:22:24,234 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:22:24,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:24 WrapperNode [2021-10-29 03:22:24,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:22:24,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:22:24,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:22:24,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:22:24,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:24" (1/1) ... [2021-10-29 03:22:24,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:24" (1/1) ... [2021-10-29 03:22:24,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:22:24,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:22:24,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:22:24,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:22:24,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:24" (1/1) ... [2021-10-29 03:22:24,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:24" (1/1) ... [2021-10-29 03:22:24,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:24" (1/1) ... [2021-10-29 03:22:24,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:24" (1/1) ... [2021-10-29 03:22:24,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:24" (1/1) ... [2021-10-29 03:22:24,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:24" (1/1) ... [2021-10-29 03:22:24,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:24" (1/1) ... [2021-10-29 03:22:24,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:22:24,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:22:24,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:22:24,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:22:24,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:22:24" (1/1) ... [2021-10-29 03:22:24,393 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:22:24,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:22:24,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:22:24,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:22:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 03:22:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 03:22:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 03:22:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 03:22:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:22:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 03:22:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:22:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:22:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:22:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:22:25,312 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:22:25,313 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2021-10-29 03:22:25,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:22:25 BoogieIcfgContainer [2021-10-29 03:22:25,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:22:25,317 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:22:25,317 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:22:25,329 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:22:25,329 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:22:25" (1/1) ... [2021-10-29 03:22:25,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:22:25,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:25,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 126 states and 146 transitions. [2021-10-29 03:22:25,380 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 146 transitions. [2021-10-29 03:22:25,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:22:25,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:25,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:25,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:25,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:25,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 125 states and 144 transitions. [2021-10-29 03:22:25,568 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2021-10-29 03:22:25,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:22:25,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:25,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:25,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:25,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:25,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 124 states and 143 transitions. [2021-10-29 03:22:25,726 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2021-10-29 03:22:25,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:22:25,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:25,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:25,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:25,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:25,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 127 states and 148 transitions. [2021-10-29 03:22:25,830 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 148 transitions. [2021-10-29 03:22:25,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:22:25,831 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:25,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:25,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:25,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:25,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 126 states and 147 transitions. [2021-10-29 03:22:25,902 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2021-10-29 03:22:25,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:22:25,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:25,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:25,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:25,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 125 states and 146 transitions. [2021-10-29 03:22:25,994 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2021-10-29 03:22:25,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:22:25,994 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:25,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:26,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:26,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:26,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 130 states and 155 transitions. [2021-10-29 03:22:26,155 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 155 transitions. [2021-10-29 03:22:26,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:22:26,156 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:26,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:26,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:26,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:26,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 132 states and 154 transitions. [2021-10-29 03:22:26,599 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 154 transitions. [2021-10-29 03:22:26,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:22:26,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:26,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:26,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:26,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:26,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 135 states and 158 transitions. [2021-10-29 03:22:26,855 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 158 transitions. [2021-10-29 03:22:26,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:22:26,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:26,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:26,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:27,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:27,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 137 states and 161 transitions. [2021-10-29 03:22:27,007 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 161 transitions. [2021-10-29 03:22:27,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:22:27,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:27,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:27,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:27,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:27,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 139 states and 166 transitions. [2021-10-29 03:22:27,130 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 166 transitions. [2021-10-29 03:22:27,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:22:27,131 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:27,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:27,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:27,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:27,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 141 states and 170 transitions. [2021-10-29 03:22:27,330 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 170 transitions. [2021-10-29 03:22:27,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:22:27,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:27,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:27,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:27,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:27,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 145 states and 179 transitions. [2021-10-29 03:22:27,742 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 179 transitions. [2021-10-29 03:22:27,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:22:27,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:27,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:27,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:28,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:28,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 147 states and 181 transitions. [2021-10-29 03:22:28,084 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 181 transitions. [2021-10-29 03:22:28,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:22:28,085 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:28,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:28,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:22:28,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:28,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 146 states and 180 transitions. [2021-10-29 03:22:28,135 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 180 transitions. [2021-10-29 03:22:28,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:22:28,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:28,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:28,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:28,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:28,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 147 states and 182 transitions. [2021-10-29 03:22:28,454 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 182 transitions. [2021-10-29 03:22:28,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:22:28,454 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:28,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:28,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:22:29,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:29,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 149 states and 186 transitions. [2021-10-29 03:22:29,051 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 186 transitions. [2021-10-29 03:22:29,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:22:29,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:29,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:29,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:22:30,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:30,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 151 states and 190 transitions. [2021-10-29 03:22:30,138 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 190 transitions. [2021-10-29 03:22:30,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:22:30,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:30,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:30,314 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:31,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:31,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 155 states and 196 transitions. [2021-10-29 03:22:31,185 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 196 transitions. [2021-10-29 03:22:31,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:22:31,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:31,186 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:31,311 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:32,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:32,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 159 states and 205 transitions. [2021-10-29 03:22:32,547 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 205 transitions. [2021-10-29 03:22:32,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:22:32,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:32,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:32,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:22:32,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:32,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 160 states and 207 transitions. [2021-10-29 03:22:32,835 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 207 transitions. [2021-10-29 03:22:32,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:22:32,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:32,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:32,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:33,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:33,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 162 states and 210 transitions. [2021-10-29 03:22:33,166 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 210 transitions. [2021-10-29 03:22:33,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:22:33,166 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:33,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:33,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:34,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:34,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 167 states and 218 transitions. [2021-10-29 03:22:34,842 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 218 transitions. [2021-10-29 03:22:34,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:22:34,843 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:34,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:35,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:36,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:36,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 169 states and 223 transitions. [2021-10-29 03:22:36,477 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 223 transitions. [2021-10-29 03:22:36,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:22:36,477 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:36,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:36,504 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:22:37,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:37,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 169 states and 222 transitions. [2021-10-29 03:22:37,240 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 222 transitions. [2021-10-29 03:22:37,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:22:37,240 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:37,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:37,262 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:22:37,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:37,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 169 states and 221 transitions. [2021-10-29 03:22:37,687 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 221 transitions. [2021-10-29 03:22:37,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:22:37,688 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:37,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:37,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:22:38,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:38,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 170 states and 223 transitions. [2021-10-29 03:22:38,062 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 223 transitions. [2021-10-29 03:22:38,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:22:38,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:38,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:38,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:38,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:38,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 172 states and 226 transitions. [2021-10-29 03:22:38,431 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 226 transitions. [2021-10-29 03:22:38,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:22:38,431 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:38,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:38,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:40,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:40,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 176 states and 235 transitions. [2021-10-29 03:22:40,117 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 235 transitions. [2021-10-29 03:22:40,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 03:22:40,118 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:40,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:40,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:41,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:41,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 178 states and 240 transitions. [2021-10-29 03:22:41,837 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 240 transitions. [2021-10-29 03:22:41,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:22:41,838 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:41,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:41,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:22:42,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:42,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 179 states and 242 transitions. [2021-10-29 03:22:42,275 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 242 transitions. [2021-10-29 03:22:42,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:22:42,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:42,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:42,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:42,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:42,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 181 states and 245 transitions. [2021-10-29 03:22:42,706 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 245 transitions. [2021-10-29 03:22:42,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:22:42,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:42,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:43,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:44,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:44,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 185 states and 254 transitions. [2021-10-29 03:22:44,565 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 254 transitions. [2021-10-29 03:22:44,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:22:44,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:44,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:45,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:46,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:46,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 187 states and 259 transitions. [2021-10-29 03:22:46,442 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 259 transitions. [2021-10-29 03:22:46,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:22:46,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:46,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:46,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:22:46,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:46,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 188 states and 261 transitions. [2021-10-29 03:22:46,876 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 261 transitions. [2021-10-29 03:22:46,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:22:46,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:46,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:46,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:22:50,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:50,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 197 states and 279 transitions. [2021-10-29 03:22:50,226 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 279 transitions. [2021-10-29 03:22:50,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:22:50,227 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:50,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:50,251 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:22:51,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:22:51,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 175 states and 242 transitions. [2021-10-29 03:22:51,085 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 242 transitions. [2021-10-29 03:22:51,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:22:51,086 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:22:51,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:22:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:22:53,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:23:01,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:01,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 190 states and 269 transitions. [2021-10-29 03:23:01,814 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 269 transitions. [2021-10-29 03:23:01,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:23:01,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:01,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:02,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:23:11,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:11,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 203 states and 295 transitions. [2021-10-29 03:23:11,051 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 295 transitions. [2021-10-29 03:23:11,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:23:11,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:11,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:11,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:23:20,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:20,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 217 states and 324 transitions. [2021-10-29 03:23:20,098 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 324 transitions. [2021-10-29 03:23:20,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:23:20,098 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:20,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:20,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:23:23,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:23,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 223 states and 337 transitions. [2021-10-29 03:23:23,739 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 337 transitions. [2021-10-29 03:23:23,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:23:23,740 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:23,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:24,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:23:28,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:28,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 229 states and 349 transitions. [2021-10-29 03:23:28,768 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 349 transitions. [2021-10-29 03:23:28,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:23:28,768 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:28,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:28,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:23:30,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:30,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 231 states and 352 transitions. [2021-10-29 03:23:30,461 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 352 transitions. [2021-10-29 03:23:30,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:23:30,461 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:30,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:30,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:23:32,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:32,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 233 states and 355 transitions. [2021-10-29 03:23:32,146 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 355 transitions. [2021-10-29 03:23:32,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:23:32,146 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:32,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:32,174 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:23:32,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:32,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 234 states and 355 transitions. [2021-10-29 03:23:32,739 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 355 transitions. [2021-10-29 03:23:32,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:23:32,739 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:32,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:32,761 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:23:32,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:32,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 235 states and 354 transitions. [2021-10-29 03:23:32,775 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 354 transitions. [2021-10-29 03:23:32,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:23:32,777 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:32,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:33,848 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:23:46,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:46,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 253 states and 383 transitions. [2021-10-29 03:23:46,472 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 383 transitions. [2021-10-29 03:23:46,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:23:46,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:46,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:46,497 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:23:46,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:46,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 252 states and 381 transitions. [2021-10-29 03:23:46,512 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 381 transitions. [2021-10-29 03:23:46,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:23:46,513 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:46,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:47,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:23:48,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:48,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 253 states and 383 transitions. [2021-10-29 03:23:48,806 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 383 transitions. [2021-10-29 03:23:48,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:23:48,806 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:48,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:48,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:23:51,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:51,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 255 states and 386 transitions. [2021-10-29 03:23:51,000 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 386 transitions. [2021-10-29 03:23:51,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:23:51,001 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:51,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:54,973 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:24:05,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:05,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 265 states and 406 transitions. [2021-10-29 03:24:05,909 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 406 transitions. [2021-10-29 03:24:05,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:24:05,910 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:05,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:10,096 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:24:22,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:22,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 275 states and 428 transitions. [2021-10-29 03:24:22,967 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 428 transitions. [2021-10-29 03:24:22,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:24:22,968 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:22,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:23,128 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:24:25,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:25,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 277 states and 431 transitions. [2021-10-29 03:24:25,401 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 431 transitions. [2021-10-29 03:24:25,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:24:25,402 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:25,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:25,514 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:24:27,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:27,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 279 states and 434 transitions. [2021-10-29 03:24:27,840 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 434 transitions. [2021-10-29 03:24:27,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:24:27,840 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:27,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:31,719 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:24:52,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:52,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 293 states and 459 transitions. [2021-10-29 03:24:52,660 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 459 transitions. [2021-10-29 03:24:52,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:24:52,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:52,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:52,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:24:55,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:55,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 295 states and 462 transitions. [2021-10-29 03:24:55,653 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 462 transitions. [2021-10-29 03:24:55,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:24:55,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:55,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:25:01,035 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:25:27,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:25:27,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 315 states and 503 transitions. [2021-10-29 03:25:27,528 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 503 transitions. [2021-10-29 03:25:27,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:25:27,529 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:25:27,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:25:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:25:32,033 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:25:48,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:25:48,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 325 states and 522 transitions. [2021-10-29 03:25:48,325 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 522 transitions. [2021-10-29 03:25:48,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:25:48,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:25:48,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:25:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:25:48,527 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:25:49,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:25:49,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 326 states and 523 transitions. [2021-10-29 03:25:49,836 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 523 transitions. [2021-10-29 03:25:49,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:25:49,837 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:25:49,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:25:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:25:56,839 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:26:23,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:26:23,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 339 states and 548 transitions. [2021-10-29 03:26:23,532 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 548 transitions. [2021-10-29 03:26:23,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:26:23,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:26:23,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:26:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:26:23,721 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:26:27,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:26:27,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 341 states and 551 transitions. [2021-10-29 03:26:27,477 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 551 transitions. [2021-10-29 03:26:27,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 03:26:27,477 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:26:27,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:26:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:26:27,498 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 03:26:30,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:26:30,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 343 states and 553 transitions. [2021-10-29 03:26:30,649 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 553 transitions. [2021-10-29 03:26:30,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 03:26:30,649 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:26:30,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:26:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:26:32,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:26:41,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:26:41,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 348 states and 561 transitions. [2021-10-29 03:26:41,089 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 561 transitions. [2021-10-29 03:26:41,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:26:41,089 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:26:41,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:26:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:26:41,112 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:26:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:26:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:26:41,404 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:26:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:26:41,528 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 63 iterations. [2021-10-29 03:26:41,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:26:41 ImpRootNode [2021-10-29 03:26:41,570 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:26:41,571 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:26:41,571 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:26:41,571 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:26:41,571 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:22:25" (3/4) ... [2021-10-29 03:26:41,574 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-29 03:26:41,575 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:26:41,576 INFO L168 Benchmark]: Toolchain (without parser) took 257832.90 ms. Allocated memory was 102.8 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 69.1 MB in the beginning and 892.7 MB in the end (delta: -823.5 MB). Peak memory consumption was 703.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:41,577 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 102.8 MB. Free memory is still 58.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:26:41,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 491.51 ms. Allocated memory is still 102.8 MB. Free memory was 68.9 MB in the beginning and 70.4 MB in the end (delta: -1.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:41,578 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.98 ms. Allocated memory is still 102.8 MB. Free memory was 70.4 MB in the beginning and 68.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:41,578 INFO L168 Benchmark]: Boogie Preprocessor took 61.56 ms. Allocated memory is still 102.8 MB. Free memory was 68.3 MB in the beginning and 66.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:41,579 INFO L168 Benchmark]: RCFGBuilder took 933.32 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 66.1 MB in the beginning and 92.8 MB in the end (delta: -26.7 MB). Peak memory consumption was 30.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:41,580 INFO L168 Benchmark]: CodeCheck took 256253.09 ms. Allocated memory was 123.7 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 92.8 MB in the beginning and 893.7 MB in the end (delta: -800.9 MB). Peak memory consumption was 707.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:41,581 INFO L168 Benchmark]: Witness Printer took 4.07 ms. Allocated memory is still 1.6 GB. Free memory was 893.7 MB in the beginning and 892.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:26:41,585 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 126 locations, 65 error locations. Started 1 CEGAR loops. OverallTime: 256.1s, OverallIterations: 63, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 20710928 SDtfs, 1087616700 SDslu, 1647300590 SDs, 0 SdLazy, 1504986856 SolverSat, -2124628222 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 53.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11202 GetRequests, 9864 SyntacticMatches, 316 SemanticMatches, 1022 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486906 ImplicationChecksByTransitivity, 248.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 41.9s InterpolantComputationTime, 1276 NumberOfCodeBlocks, 1276 NumberOfCodeBlocksAsserted, 63 NumberOfCheckSat, 1179 ConstructedInterpolants, 0 QuantifiedInterpolants, 10512 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 62 InterpolantComputations, 40 PerfectInterpolantSequences, 140/186 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 565]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 565. Possible FailurePath: [L585] struct node *nodelast = ((void *)0); [L586] struct node *node = ((void *)0); [L587] COND TRUE __VERIFIER_nondet_int() [L588] node = malloc(sizeof *node) [L589] COND FALSE !(!node) [L591] node->left = ((void *)0) [L592] node->right = nodelast [L593] COND FALSE !(\read(*nodelast)) [L595] int value = __VERIFIER_nondet_int(); [L596] node->value = value [L597] nodelast = node [L587] COND FALSE !(__VERIFIER_nondet_int()) [L599] COND TRUE node != ((void *)0) [L600] node->left = malloc(sizeof *node) [L601] COND FALSE !(!node) [L603] EXPR node->left [L603] node->left->left = ((void *)0) [L604] EXPR node->left [L604] node->left->right = ((void *)0) [L605] EXPR node->left [L605] node->left->value = 42 [L606] EXPR node->left [L606] node->left->parent = node [L607] EXPR node->right [L607] node = node->right [L599] COND FALSE !(node != ((void *)0)) [L609] return nodelast; [L630] struct node *data = create_tree(); [L631] COND FALSE !(!data) [L575] COND FALSE !(!(node)) [L576] COND TRUE node != ((void *)0) [L577] node->left [L577] COND TRUE node->left [L578] EXPR node->left [L578] EXPR node->left->value [L578] COND FALSE !(!(node->left->value == 42)) [L579] EXPR node->value [L579] COND TRUE !(node->value) [L565] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 ms. Allocated memory is still 102.8 MB. Free memory is still 58.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 491.51 ms. Allocated memory is still 102.8 MB. Free memory was 68.9 MB in the beginning and 70.4 MB in the end (delta: -1.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.98 ms. Allocated memory is still 102.8 MB. Free memory was 70.4 MB in the beginning and 68.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.56 ms. Allocated memory is still 102.8 MB. Free memory was 68.3 MB in the beginning and 66.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 933.32 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 66.1 MB in the beginning and 92.8 MB in the end (delta: -26.7 MB). Peak memory consumption was 30.0 MB. Max. memory is 16.1 GB. * CodeCheck took 256253.09 ms. Allocated memory was 123.7 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 92.8 MB in the beginning and 893.7 MB in the end (delta: -800.9 MB). Peak memory consumption was 707.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.07 ms. Allocated memory is still 1.6 GB. Free memory was 893.7 MB in the beginning and 892.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-29 03:26:41,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:26:44,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:26:44,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:26:44,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:26:44,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:26:44,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:26:44,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:26:44,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:26:44,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:26:44,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:26:44,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:26:44,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:26:44,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:26:44,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:26:44,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:26:44,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:26:44,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:26:44,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:26:44,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:26:44,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:26:44,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:26:44,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:26:44,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:26:44,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:26:44,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:26:44,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:26:44,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:26:44,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:26:44,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:26:44,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:26:44,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:26:44,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:26:44,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:26:44,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:26:44,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:26:44,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:26:44,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:26:44,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:26:44,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:26:44,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:26:44,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:26:44,334 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-10-29 03:26:44,385 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:26:44,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:26:44,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:26:44,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:26:44,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:26:44,389 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:26:44,389 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:26:44,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:26:44,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:26:44,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:26:44,391 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 03:26:44,391 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 03:26:44,392 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 03:26:44,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:26:44,392 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 03:26:44,392 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 03:26:44,393 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 03:26:44,393 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:26:44,393 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:26:44,393 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:26:44,394 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:26:44,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:26:44,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:26:44,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:26:44,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:26:44,395 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 03:26:44,395 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 03:26:44,396 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-10-29 03:26:44,396 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 03:26:44,396 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a [2021-10-29 03:26:44,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:26:44,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:26:44,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:26:44,873 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:26:44,874 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:26:44,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/heap-manipulation/tree-2.i [2021-10-29 03:26:44,948 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/data/344922ae3/f776da913b4c426d9b21b01ffe2edcad/FLAG0210b8ad2 [2021-10-29 03:26:45,678 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:26:45,679 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/sv-benchmarks/c/heap-manipulation/tree-2.i [2021-10-29 03:26:45,694 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/data/344922ae3/f776da913b4c426d9b21b01ffe2edcad/FLAG0210b8ad2 [2021-10-29 03:26:45,940 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/data/344922ae3/f776da913b4c426d9b21b01ffe2edcad [2021-10-29 03:26:45,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:26:45,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:26:45,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:26:45,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:26:45,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:26:45,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:26:45" (1/1) ... [2021-10-29 03:26:45,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3467ebb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:45, skipping insertion in model container [2021-10-29 03:26:45,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:26:45" (1/1) ... [2021-10-29 03:26:45,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:26:46,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:26:46,401 WARN L228 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_4705b483-7e51-4ee9-bea7-b453e7c6409d/sv-benchmarks/c/heap-manipulation/tree-2.i[22626,22639] [2021-10-29 03:26:46,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:26:46,455 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:26:46,523 WARN L228 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_4705b483-7e51-4ee9-bea7-b453e7c6409d/sv-benchmarks/c/heap-manipulation/tree-2.i[22626,22639] [2021-10-29 03:26:46,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:26:46,580 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:26:46,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:46 WrapperNode [2021-10-29 03:26:46,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:26:46,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:26:46,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:26:46,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:26:46,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:46" (1/1) ... [2021-10-29 03:26:46,633 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:46" (1/1) ... [2021-10-29 03:26:46,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:26:46,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:26:46,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:26:46,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:26:46,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:46" (1/1) ... [2021-10-29 03:26:46,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:46" (1/1) ... [2021-10-29 03:26:46,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:46" (1/1) ... [2021-10-29 03:26:46,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:46" (1/1) ... [2021-10-29 03:26:46,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:46" (1/1) ... [2021-10-29 03:26:46,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:46" (1/1) ... [2021-10-29 03:26:46,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:46" (1/1) ... [2021-10-29 03:26:46,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:26:46,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:26:46,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:26:46,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:26:46,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:26:46" (1/1) ... [2021-10-29 03:26:46,717 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:26:46,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:26:46,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:26:46,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:26:46,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 03:26:46,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 03:26:46,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 03:26:46,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:26:46,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 03:26:46,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:26:46,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 03:26:46,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 03:26:46,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:26:46,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:26:48,024 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:26:48,024 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2021-10-29 03:26:48,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:26:48 BoogieIcfgContainer [2021-10-29 03:26:48,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:26:48,028 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:26:48,028 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:26:48,039 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:26:48,039 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:26:48" (1/1) ... [2021-10-29 03:26:48,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:26:48,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:26:48,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 125 states and 144 transitions. [2021-10-29 03:26:48,090 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2021-10-29 03:26:48,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 03:26:48,093 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:26:48,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:26:48,136 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:444) 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) [2021-10-29 03:26:48,141 INFO L168 Benchmark]: Toolchain (without parser) took 2194.66 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 39.7 MB in the beginning and 51.1 MB in the end (delta: -11.4 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:48,142 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 60.8 MB. Free memory is still 42.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:26:48,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.62 ms. Allocated memory is still 60.8 MB. Free memory was 39.6 MB in the beginning and 36.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:48,143 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.73 ms. Allocated memory is still 60.8 MB. Free memory was 36.3 MB in the beginning and 34.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:48,144 INFO L168 Benchmark]: Boogie Preprocessor took 44.68 ms. Allocated memory is still 60.8 MB. Free memory was 33.9 MB in the beginning and 31.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:48,145 INFO L168 Benchmark]: RCFGBuilder took 1319.59 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 31.8 MB in the beginning and 56.2 MB in the end (delta: -24.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:48,146 INFO L168 Benchmark]: CodeCheck took 110.52 ms. Allocated memory is still 77.6 MB. Free memory was 56.2 MB in the beginning and 51.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:26:48,150 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 60.8 MB. Free memory is still 42.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 634.62 ms. Allocated memory is still 60.8 MB. Free memory was 39.6 MB in the beginning and 36.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.73 ms. Allocated memory is still 60.8 MB. Free memory was 36.3 MB in the beginning and 34.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.68 ms. Allocated memory is still 60.8 MB. Free memory was 33.9 MB in the beginning and 31.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1319.59 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 31.8 MB in the beginning and 56.2 MB in the end (delta: -24.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * CodeCheck took 110.52 ms. Allocated memory is still 77.6 MB. Free memory was 56.2 MB in the beginning and 51.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 03:26:48,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4705b483-7e51-4ee9-bea7-b453e7c6409d/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...