./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/dll-sorted-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-sorted-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/bin/ukojak-LBtLqBUTdQ/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b55b51cb0b3b4f908f36b1c6f95a18eadc174b8702aa08ef4d6f9775df6bb52 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:54:27,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:54:27,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:54:27,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:54:27,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:54:27,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:54:27,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:54:27,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:54:27,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:54:27,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:54:27,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:54:27,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:54:27,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:54:27,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:54:27,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:54:27,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:54:27,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:54:27,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:54:27,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:54:27,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:54:27,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:54:27,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:54:27,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:54:27,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:54:27,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:54:27,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:54:27,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:54:27,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:54:27,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:54:27,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:54:27,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:54:27,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:54:27,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:54:27,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:54:27,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:54:27,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:54:27,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:54:27,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:54:27,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:54:27,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:54:27,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:54:27,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/bin/ukojak-LBtLqBUTdQ/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2021-11-23 00:54:27,722 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:54:27,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:54:27,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:54:27,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:54:27,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:54:27,725 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:54:27,725 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:54:27,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:54:27,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:54:27,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:54:27,733 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:54:27,734 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:54:27,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:54:27,734 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:54:27,735 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:54:27,735 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:54:27,735 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:54:27,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:54:27,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:54:27,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:54:27,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:54:27,743 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:54:27,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:54:27,743 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_4f19a479-08d1-49d8-97a2-bb7b2c229503/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b55b51cb0b3b4f908f36b1c6f95a18eadc174b8702aa08ef4d6f9775df6bb52 [2021-11-23 00:54:27,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:54:28,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:54:28,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:54:28,020 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:54:28,020 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:54:28,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/forester-heap/dll-sorted-1.i [2021-11-23 00:54:28,087 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/bin/ukojak-LBtLqBUTdQ/data/f8337e582/2fbb6a8a420d49229387897cc29a165d/FLAGd99a3bd3f [2021-11-23 00:54:28,641 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:54:28,642 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/sv-benchmarks/c/forester-heap/dll-sorted-1.i [2021-11-23 00:54:28,670 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/bin/ukojak-LBtLqBUTdQ/data/f8337e582/2fbb6a8a420d49229387897cc29a165d/FLAGd99a3bd3f [2021-11-23 00:54:28,945 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/bin/ukojak-LBtLqBUTdQ/data/f8337e582/2fbb6a8a420d49229387897cc29a165d [2021-11-23 00:54:28,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:54:28,951 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:54:28,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:54:28,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:54:28,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:54:28,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:28" (1/1) ... [2021-11-23 00:54:28,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45b1b50e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:28, skipping insertion in model container [2021-11-23 00:54:28,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:28" (1/1) ... [2021-11-23 00:54:28,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:54:29,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:54:29,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/sv-benchmarks/c/forester-heap/dll-sorted-1.i[22384,22397] [2021-11-23 00:54:29,349 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/sv-benchmarks/c/forester-heap/dll-sorted-1.i[22614,22627] [2021-11-23 00:54:29,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/sv-benchmarks/c/forester-heap/dll-sorted-1.i[22989,23002] [2021-11-23 00:54:29,355 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/sv-benchmarks/c/forester-heap/dll-sorted-1.i[23053,23066] [2021-11-23 00:54:29,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/sv-benchmarks/c/forester-heap/dll-sorted-1.i[23184,23197] [2021-11-23 00:54:29,357 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/sv-benchmarks/c/forester-heap/dll-sorted-1.i[23248,23261] [2021-11-23 00:54:29,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:54:29,379 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:54:29,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/sv-benchmarks/c/forester-heap/dll-sorted-1.i[22384,22397] [2021-11-23 00:54:29,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/sv-benchmarks/c/forester-heap/dll-sorted-1.i[22614,22627] [2021-11-23 00:54:29,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/sv-benchmarks/c/forester-heap/dll-sorted-1.i[22989,23002] [2021-11-23 00:54:29,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/sv-benchmarks/c/forester-heap/dll-sorted-1.i[23053,23066] [2021-11-23 00:54:29,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/sv-benchmarks/c/forester-heap/dll-sorted-1.i[23184,23197] [2021-11-23 00:54:29,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/sv-benchmarks/c/forester-heap/dll-sorted-1.i[23248,23261] [2021-11-23 00:54:29,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:54:29,505 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:54:29,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:29 WrapperNode [2021-11-23 00:54:29,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:54:29,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:54:29,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:54:29,507 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:54:29,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:29" (1/1) ... [2021-11-23 00:54:29,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:29" (1/1) ... [2021-11-23 00:54:29,560 INFO L137 Inliner]: procedures = 119, calls = 45, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 197 [2021-11-23 00:54:29,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:54:29,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:54:29,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:54:29,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:54:29,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:29" (1/1) ... [2021-11-23 00:54:29,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:29" (1/1) ... [2021-11-23 00:54:29,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:29" (1/1) ... [2021-11-23 00:54:29,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:29" (1/1) ... [2021-11-23 00:54:29,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:29" (1/1) ... [2021-11-23 00:54:29,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:29" (1/1) ... [2021-11-23 00:54:29,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:29" (1/1) ... [2021-11-23 00:54:29,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:54:29,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:54:29,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:54:29,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:54:29,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:29" (1/1) ... [2021-11-23 00:54:29,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:54:29,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:54:29,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:54:29,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:54:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:54:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:54:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:54:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:54:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:54:29,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:54:29,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:54:29,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:54:29,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:54:29,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:54:29,781 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:54:29,782 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:54:30,398 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:54:30,454 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:54:30,454 INFO L301 CfgBuilder]: Removed 18 assume(true) statements. [2021-11-23 00:54:30,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:30 BoogieIcfgContainer [2021-11-23 00:54:30,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:54:30,458 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:54:30,458 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:54:30,469 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:54:30,469 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:30" (1/1) ... [2021-11-23 00:54:30,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:54:30,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:30,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 155 states and 186 transitions. [2021-11-23 00:54:30,541 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 186 transitions. [2021-11-23 00:54:30,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 00:54:30,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:30,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:30,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:30,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:30,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 154 states and 185 transitions. [2021-11-23 00:54:30,750 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 185 transitions. [2021-11-23 00:54:30,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 00:54:30,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:30,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:30,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:30,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:30,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 153 states and 184 transitions. [2021-11-23 00:54:30,905 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 184 transitions. [2021-11-23 00:54:30,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:54:30,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:30,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:30,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:30,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:30,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 152 states and 183 transitions. [2021-11-23 00:54:30,991 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 183 transitions. [2021-11-23 00:54:30,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:54:30,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:30,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:31,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:31,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:31,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 151 states and 182 transitions. [2021-11-23 00:54:31,049 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 182 transitions. [2021-11-23 00:54:31,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:54:31,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:31,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:31,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:31,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:31,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 150 states and 181 transitions. [2021-11-23 00:54:31,110 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 181 transitions. [2021-11-23 00:54:31,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:54:31,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:31,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:31,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:31,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:31,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 149 states and 180 transitions. [2021-11-23 00:54:31,175 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 180 transitions. [2021-11-23 00:54:31,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:54:31,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:31,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:31,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:31,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:31,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 148 states and 178 transitions. [2021-11-23 00:54:31,288 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 178 transitions. [2021-11-23 00:54:31,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:54:31,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:31,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:31,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:31,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:31,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 151 states and 184 transitions. [2021-11-23 00:54:31,555 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2021-11-23 00:54:31,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:54:31,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:31,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:31,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:31,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:31,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 150 states and 183 transitions. [2021-11-23 00:54:31,638 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 183 transitions. [2021-11-23 00:54:31,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:54:31,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:31,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:31,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:31,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:31,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 151 states and 185 transitions. [2021-11-23 00:54:31,930 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 185 transitions. [2021-11-23 00:54:31,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:54:31,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:31,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:31,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:32,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:32,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 153 states and 186 transitions. [2021-11-23 00:54:32,125 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 186 transitions. [2021-11-23 00:54:32,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:54:32,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:32,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:32,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:32,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:32,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 155 states and 191 transitions. [2021-11-23 00:54:32,641 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 191 transitions. [2021-11-23 00:54:32,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:54:32,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:32,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:32,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:33,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:33,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 157 states and 194 transitions. [2021-11-23 00:54:33,399 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 194 transitions. [2021-11-23 00:54:33,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:54:33,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:33,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:33,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:33,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:33,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 158 states and 196 transitions. [2021-11-23 00:54:33,593 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 196 transitions. [2021-11-23 00:54:33,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:54:33,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:33,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:33,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:33,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:33,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 160 states and 199 transitions. [2021-11-23 00:54:33,817 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 199 transitions. [2021-11-23 00:54:33,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:54:33,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:33,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:34,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:35,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:35,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 162 states and 203 transitions. [2021-11-23 00:54:35,213 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 203 transitions. [2021-11-23 00:54:35,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:54:35,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:35,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:35,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:36,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:36,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 164 states and 207 transitions. [2021-11-23 00:54:36,286 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 207 transitions. [2021-11-23 00:54:36,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:54:36,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:36,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:36,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:36,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:36,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 163 states and 206 transitions. [2021-11-23 00:54:36,323 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 206 transitions. [2021-11-23 00:54:36,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:54:36,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:36,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:36,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:36,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:36,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 165 states and 208 transitions. [2021-11-23 00:54:36,922 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 208 transitions. [2021-11-23 00:54:36,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:54:36,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:36,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:36,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:36,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:36,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 164 states and 207 transitions. [2021-11-23 00:54:36,999 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 207 transitions. [2021-11-23 00:54:36,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:54:37,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:37,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:37,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:37,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:37,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 137 states and 166 transitions. [2021-11-23 00:54:37,413 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 166 transitions. [2021-11-23 00:54:37,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:54:37,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:37,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:37,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:40,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:40,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 150 states and 184 transitions. [2021-11-23 00:54:40,033 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 184 transitions. [2021-11-23 00:54:40,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:54:40,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:40,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:40,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:40,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:40,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 150 states and 182 transitions. [2021-11-23 00:54:40,081 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 182 transitions. [2021-11-23 00:54:40,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:54:40,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:40,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:40,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:43,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:43,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 166 states and 206 transitions. [2021-11-23 00:54:43,211 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 206 transitions. [2021-11-23 00:54:43,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:54:43,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:43,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:43,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:47,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:47,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 182 states and 230 transitions. [2021-11-23 00:54:47,440 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 230 transitions. [2021-11-23 00:54:47,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:54:47,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:47,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:47,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:47,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:47,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 184 states and 234 transitions. [2021-11-23 00:54:47,529 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 234 transitions. [2021-11-23 00:54:47,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:54:47,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:47,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:47,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:47,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:47,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 184 states and 233 transitions. [2021-11-23 00:54:47,683 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 233 transitions. [2021-11-23 00:54:47,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:54:47,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:47,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:47,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:47,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:47,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 186 states and 237 transitions. [2021-11-23 00:54:47,720 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 237 transitions. [2021-11-23 00:54:47,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:54:47,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:47,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:47,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:47,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:47,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 188 states and 242 transitions. [2021-11-23 00:54:47,783 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 242 transitions. [2021-11-23 00:54:47,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:54:47,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:47,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:47,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:48,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:48,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 189 states and 243 transitions. [2021-11-23 00:54:48,402 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 243 transitions. [2021-11-23 00:54:48,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:54:48,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:48,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:49,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:53,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:53,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 202 states and 265 transitions. [2021-11-23 00:54:53,648 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 265 transitions. [2021-11-23 00:54:53,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:54:53,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:53,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:54,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:59,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:59,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 215 states and 290 transitions. [2021-11-23 00:54:59,469 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 290 transitions. [2021-11-23 00:54:59,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:54:59,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:59,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:59,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:59,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:59,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 214 states and 289 transitions. [2021-11-23 00:54:59,508 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 289 transitions. [2021-11-23 00:54:59,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:54:59,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:59,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:59,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:59,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:59,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 216 states and 292 transitions. [2021-11-23 00:54:59,557 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 292 transitions. [2021-11-23 00:54:59,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:54:59,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:59,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:59,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:55:00,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:00,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 216 states and 291 transitions. [2021-11-23 00:55:00,062 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 291 transitions. [2021-11-23 00:55:00,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:55:00,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:00,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:00,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:55:00,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:00,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 217 states and 291 transitions. [2021-11-23 00:55:00,674 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 291 transitions. [2021-11-23 00:55:00,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:55:00,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:00,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:00,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:55:00,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:00,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 218 states and 292 transitions. [2021-11-23 00:55:00,728 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 292 transitions. [2021-11-23 00:55:00,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:55:00,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:00,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:00,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:55:00,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:00,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 219 states and 297 transitions. [2021-11-23 00:55:00,790 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 297 transitions. [2021-11-23 00:55:00,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:55:00,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:00,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:00,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:55:01,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:01,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 218 states and 296 transitions. [2021-11-23 00:55:01,089 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 296 transitions. [2021-11-23 00:55:01,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:55:01,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:01,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:01,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:55:01,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:01,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 217 states and 295 transitions. [2021-11-23 00:55:01,879 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 295 transitions. [2021-11-23 00:55:01,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:55:01,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:01,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:02,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:55:05,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:05,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 220 states and 302 transitions. [2021-11-23 00:55:05,088 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 302 transitions. [2021-11-23 00:55:05,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:55:05,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:05,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:05,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:55:06,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:06,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 222 states and 304 transitions. [2021-11-23 00:55:06,486 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 304 transitions. [2021-11-23 00:55:06,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:55:06,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:06,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:08,413 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:12,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:12,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 225 states and 313 transitions. [2021-11-23 00:55:12,555 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 313 transitions. [2021-11-23 00:55:12,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:55:12,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:12,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:12,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:55:12,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:12,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 224 states and 312 transitions. [2021-11-23 00:55:12,590 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 312 transitions. [2021-11-23 00:55:12,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:55:12,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:12,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:13,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:55:14,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:14,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 223 states and 311 transitions. [2021-11-23 00:55:14,005 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 311 transitions. [2021-11-23 00:55:14,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:55:14,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:14,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:14,032 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:55:14,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:14,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 208 states and 291 transitions. [2021-11-23 00:55:14,051 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 291 transitions. [2021-11-23 00:55:14,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:55:14,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:14,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:14,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:55:14,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:14,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 207 states and 290 transitions. [2021-11-23 00:55:14,086 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 290 transitions. [2021-11-23 00:55:14,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:55:14,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:14,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:14,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:55:14,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:14,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 206 states and 289 transitions. [2021-11-23 00:55:14,126 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 289 transitions. [2021-11-23 00:55:14,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:55:14,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:14,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:14,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:55:16,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:16,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 211 states and 298 transitions. [2021-11-23 00:55:16,141 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 298 transitions. [2021-11-23 00:55:16,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:55:16,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:16,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:16,383 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:55:16,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:16,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 210 states and 297 transitions. [2021-11-23 00:55:16,753 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 297 transitions. [2021-11-23 00:55:16,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:55:16,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:16,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:17,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:19,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:19,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 215 states and 307 transitions. [2021-11-23 00:55:19,709 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 307 transitions. [2021-11-23 00:55:19,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:55:19,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:19,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:19,727 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:55:20,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:20,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 214 states and 305 transitions. [2021-11-23 00:55:20,172 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 305 transitions. [2021-11-23 00:55:20,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:55:20,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:20,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:21,378 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:30,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:30,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 227 states and 334 transitions. [2021-11-23 00:55:30,920 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 334 transitions. [2021-11-23 00:55:30,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:55:30,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:30,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:31,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:32,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:32,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 226 states and 333 transitions. [2021-11-23 00:55:32,415 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 333 transitions. [2021-11-23 00:55:32,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:55:32,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:32,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:32,456 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:55:36,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:36,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 232 states and 341 transitions. [2021-11-23 00:55:36,718 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 341 transitions. [2021-11-23 00:55:36,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:55:36,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:36,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:38,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:49,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:49,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 243 states and 364 transitions. [2021-11-23 00:55:49,844 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 364 transitions. [2021-11-23 00:55:49,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:55:49,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:49,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:51,973 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:07,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:07,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 260 states and 402 transitions. [2021-11-23 00:56:07,853 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 402 transitions. [2021-11-23 00:56:07,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:56:07,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:07,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:07,873 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:56:08,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:08,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 262 states and 407 transitions. [2021-11-23 00:56:08,369 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 407 transitions. [2021-11-23 00:56:08,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:56:08,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:08,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:08,388 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:56:09,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:09,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 263 states and 409 transitions. [2021-11-23 00:56:09,038 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 409 transitions. [2021-11-23 00:56:09,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:56:09,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:09,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:09,134 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:09,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:09,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 265 states and 413 transitions. [2021-11-23 00:56:09,862 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 413 transitions. [2021-11-23 00:56:09,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:56:09,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:09,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:09,958 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:11,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:11,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 267 states and 417 transitions. [2021-11-23 00:56:11,814 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 417 transitions. [2021-11-23 00:56:11,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:56:11,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:11,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:12,129 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:13,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:13,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 269 states and 419 transitions. [2021-11-23 00:56:13,419 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 419 transitions. [2021-11-23 00:56:13,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:56:13,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:13,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:14,516 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:17,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:17,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 271 states and 422 transitions. [2021-11-23 00:56:17,168 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 422 transitions. [2021-11-23 00:56:17,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:56:17,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:17,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:17,205 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:56:18,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:18,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 273 states and 425 transitions. [2021-11-23 00:56:18,052 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 425 transitions. [2021-11-23 00:56:18,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:56:18,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:18,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:18,092 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:56:22,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:22,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 277 states and 430 transitions. [2021-11-23 00:56:22,498 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 430 transitions. [2021-11-23 00:56:22,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:56:22,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:22,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:22,599 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:27,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:27,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 239 states and 370 transitions. [2021-11-23 00:56:27,936 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 370 transitions. [2021-11-23 00:56:27,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:56:27,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:27,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:56:27,953 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:56:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:56:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:56:28,130 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:56:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:56:28,346 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 67 iterations. [2021-11-23 00:56:28,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:56:28 ImpRootNode [2021-11-23 00:56:28,422 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:56:28,423 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:56:28,423 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:56:28,423 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:56:28,424 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:30" (3/4) ... [2021-11-23 00:56:28,426 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 00:56:28,507 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:56:28,507 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:56:28,508 INFO L158 Benchmark]: Toolchain (without parser) took 119556.61ms. Allocated memory was 90.2MB in the beginning and 1.0GB in the end (delta: 945.8MB). Free memory was 68.2MB in the beginning and 651.5MB in the end (delta: -583.3MB). Peak memory consumption was 363.0MB. Max. memory is 16.1GB. [2021-11-23 00:56:28,509 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory was 65.1MB in the beginning and 65.0MB in the end (delta: 78.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:56:28,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 553.54ms. Allocated memory is still 90.2MB. Free memory was 68.2MB in the beginning and 57.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:56:28,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.77ms. Allocated memory is still 90.2MB. Free memory was 57.0MB in the beginning and 54.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:56:28,510 INFO L158 Benchmark]: Boogie Preprocessor took 45.15ms. Allocated memory is still 90.2MB. Free memory was 54.8MB in the beginning and 52.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:56:28,511 INFO L158 Benchmark]: RCFGBuilder took 850.13ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.7MB in the beginning and 75.4MB in the end (delta: -22.6MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2021-11-23 00:56:28,511 INFO L158 Benchmark]: CodeCheck took 117964.50ms. Allocated memory was 109.1MB in the beginning and 1.0GB in the end (delta: 926.9MB). Free memory was 75.4MB in the beginning and 653.6MB in the end (delta: -578.2MB). Peak memory consumption was 348.2MB. Max. memory is 16.1GB. [2021-11-23 00:56:28,512 INFO L158 Benchmark]: Witness Printer took 84.55ms. Allocated memory is still 1.0GB. Free memory was 653.6MB in the beginning and 651.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:56:28,514 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, 155 locations, 80 error locations. Started 1 CEGAR loops. OverallTime: 117.9s, OverallIterations: 67, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11889 SdHoareTripleChecker+Valid, 61.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9651 mSDsluCounter, 8948 SdHoareTripleChecker+Invalid, 51.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7140 mSDsCounter, 10093 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38056 IncrementalHoareTripleChecker+Invalid, 48149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10093 mSolverCounterUnsat, 1808 mSDtfsCounter, 38056 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11397 GetRequests, 10440 SyntacticMatches, 217 SemanticMatches, 740 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271283 ImplicationChecksByTransitivity, 111.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 16.0s InterpolantComputationTime, 1369 NumberOfCodeBlocks, 1369 NumberOfCodeBlocksAsserted, 67 NumberOfCheckSat, 1273 ConstructedInterpolants, 0 QuantifiedInterpolants, 8166 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 66 InterpolantComputations, 48 PerfectInterpolantSequences, 97/200 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 - CounterExampleResult [Line: 1038]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L997] SLL* head = malloc(sizeof(SLL)); [L998] head->next = ((void*)0) VAL [head={-1:0}] [L999] head->prev = ((void*)0) VAL [head={-1:0}] [L1000] head->data = 0 [L1002] SLL* x = head; [L1003] int marked = 0; VAL [head={-1:0}, marked=0, x={-1:0}] [L1006] COND TRUE __VERIFIER_nondet_int() || !marked [L1009] x->next = malloc(sizeof(SLL)) [L1010] EXPR x->next VAL [head={-1:0}, marked=0, x={-1:0}, x->next={-2:0}] [L1010] x->next->prev = x [L1011] EXPR x->next [L1011] x = x->next [L1012] x->next = ((void*)0) [L1014] COND TRUE __VERIFIER_nondet_int() [L1016] marked = 1 VAL [head={-1:0}, marked=1, x={-2:0}] [L1019] COND TRUE \read(marked) VAL [head={-1:0}, marked=1, x={-2:0}] [L1020] x->data = 1 VAL [head={-1:0}, marked=1, x={-2:0}] [L1006] COND FALSE !(__VERIFIER_nondet_int() || !marked) [L1025] x = head VAL [head={-1:0}, marked=1, x={-1:0}] [L1027] COND FALSE !(!(((void*)0) != x)) VAL [head={-1:0}, marked=1, x={-1:0}] [L1028] marked = 0 VAL [head={-1:0}, marked=0, x={-1:0}] [L1030] EXPR x->next [L1030] x->next != ((void*)0) && x->next->data == 0 VAL [head={-1:0}, marked=0, x={-1:0}, x->next={-2:0}, x->next != ((void*)0) && x->next->data == 0=1] [L1030] EXPR x->next VAL [head={-1:0}, marked=0, x={-1:0}, x->next={-2:0}, x->next={-2:0}, x->next != ((void*)0) && x->next->data == 0=1] [L1030] EXPR x->next->data [L1030] x->next != ((void*)0) && x->next->data == 0 VAL [head={-1:0}, marked=0, x={-1:0}, x->next={-2:0}, x->next={-2:0}, x->next != ((void*)0) && x->next->data == 0=0, x->next->data=1] [L1030] COND FALSE !(x->next != ((void*)0) && x->next->data == 0) [L1035] EXPR x->next [L1035] x->next != ((void*)0) && __VERIFIER_nondet_int() [L1035] x->next != ((void*)0) && __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=-1, head={-1:0}, marked=0, x={-1:0}, x->next={-2:0}, x->next != ((void*)0) && __VERIFIER_nondet_int()=1] [L1035] COND TRUE x->next != ((void*)0) && __VERIFIER_nondet_int() [L1037] EXPR x->next [L1037] x = x->next [L1038] EXPR x->data VAL [head={-1:0}, marked=0, x={-2:0}, x->data=1] [L1038] COND TRUE !(x->data != 1) [L1038] reach_error() VAL [head={-1:0}, marked=0, x={-2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory was 65.1MB in the beginning and 65.0MB in the end (delta: 78.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 553.54ms. Allocated memory is still 90.2MB. Free memory was 68.2MB in the beginning and 57.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.77ms. Allocated memory is still 90.2MB. Free memory was 57.0MB in the beginning and 54.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.15ms. Allocated memory is still 90.2MB. Free memory was 54.8MB in the beginning and 52.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 850.13ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.7MB in the beginning and 75.4MB in the end (delta: -22.6MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * CodeCheck took 117964.50ms. Allocated memory was 109.1MB in the beginning and 1.0GB in the end (delta: 926.9MB). Free memory was 75.4MB in the beginning and 653.6MB in the end (delta: -578.2MB). Peak memory consumption was 348.2MB. Max. memory is 16.1GB. * Witness Printer took 84.55ms. Allocated memory is still 1.0GB. Free memory was 653.6MB in the beginning and 651.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 00:56:28,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f19a479-08d1-49d8-97a2-bb7b2c229503/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup)