./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/invert_string-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ca988-0a9f-42ef-8265-e53b0dd5cfe9/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ca988-0a9f-42ef-8265-e53b0dd5cfe9/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ca988-0a9f-42ef-8265-e53b0dd5cfe9/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ca988-0a9f-42ef-8265-e53b0dd5cfe9/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/invert_string-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ca988-0a9f-42ef-8265-e53b0dd5cfe9/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ca988-0a9f-42ef-8265-e53b0dd5cfe9/bin/ukojak-fKGseLULKY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0ffc577d494a5308847d196b5326d78dd21a5a9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 03:18:21,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 03:18:21,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 03:18:21,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 03:18:21,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 03:18:21,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 03:18:21,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 03:18:21,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 03:18:21,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 03:18:21,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 03:18:21,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 03:18:21,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 03:18:21,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 03:18:21,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 03:18:21,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 03:18:21,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 03:18:21,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 03:18:21,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 03:18:21,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 03:18:21,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 03:18:21,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 03:18:21,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 03:18:21,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 03:18:21,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 03:18:21,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 03:18:21,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 03:18:21,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 03:18:21,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 03:18:21,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 03:18:21,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 03:18:21,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 03:18:21,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 03:18:21,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 03:18:21,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 03:18:21,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 03:18:21,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 03:18:21,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 03:18:21,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 03:18:21,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 03:18:21,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 03:18:21,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 03:18:21,495 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ca988-0a9f-42ef-8265-e53b0dd5cfe9/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-13 03:18:21,547 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 03:18:21,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 03:18:21,550 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 03:18:21,550 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 03:18:21,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 03:18:21,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 03:18:21,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 03:18:21,552 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 03:18:21,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 03:18:21,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 03:18:21,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 03:18:21,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 03:18:21,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 03:18:21,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 03:18:21,561 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 03:18:21,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 03:18:21,561 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 03:18:21,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 03:18:21,562 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 03:18:21,562 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 03:18:21,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 03:18:21,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:18:21,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 03:18:21,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 03:18:21,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 03:18:21,563 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 03:18:21,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 03:18:21,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 03:18:21,564 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_dc7ca988-0a9f-42ef-8265-e53b0dd5cfe9/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ca988-0a9f-42ef-8265-e53b0dd5cfe9/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0ffc577d494a5308847d196b5326d78dd21a5a9 [2021-10-13 03:18:21,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 03:18:21,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 03:18:21,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 03:18:21,887 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 03:18:21,889 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 03:18:21,890 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ca988-0a9f-42ef-8265-e53b0dd5cfe9/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/loops/invert_string-3.c [2021-10-13 03:18:21,957 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ca988-0a9f-42ef-8265-e53b0dd5cfe9/bin/ukojak-fKGseLULKY/data/7e47e9c4f/6328fc8bdeca43b6bf0b3aae77d45cb8/FLAGefbcf2b64 [2021-10-13 03:18:22,473 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 03:18:22,475 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ca988-0a9f-42ef-8265-e53b0dd5cfe9/sv-benchmarks/c/loops/invert_string-3.c [2021-10-13 03:18:22,481 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ca988-0a9f-42ef-8265-e53b0dd5cfe9/bin/ukojak-fKGseLULKY/data/7e47e9c4f/6328fc8bdeca43b6bf0b3aae77d45cb8/FLAGefbcf2b64 [2021-10-13 03:18:22,827 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ca988-0a9f-42ef-8265-e53b0dd5cfe9/bin/ukojak-fKGseLULKY/data/7e47e9c4f/6328fc8bdeca43b6bf0b3aae77d45cb8 [2021-10-13 03:18:22,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 03:18:22,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 03:18:22,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 03:18:22,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 03:18:22,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 03:18:22,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:18:22" (1/1) ... [2021-10-13 03:18:22,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b36c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:22, skipping insertion in model container [2021-10-13 03:18:22,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:18:22" (1/1) ... [2021-10-13 03:18:22,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 03:18:22,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 03:18:23,082 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ca988-0a9f-42ef-8265-e53b0dd5cfe9/sv-benchmarks/c/loops/invert_string-3.c[327,340] [2021-10-13 03:18:23,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:18:23,121 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 03:18:23,134 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ca988-0a9f-42ef-8265-e53b0dd5cfe9/sv-benchmarks/c/loops/invert_string-3.c[327,340] [2021-10-13 03:18:23,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:18:23,172 INFO L208 MainTranslator]: Completed translation [2021-10-13 03:18:23,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:23 WrapperNode [2021-10-13 03:18:23,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 03:18:23,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 03:18:23,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 03:18:23,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 03:18:23,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:23" (1/1) ... [2021-10-13 03:18:23,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:23" (1/1) ... [2021-10-13 03:18:23,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 03:18:23,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 03:18:23,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 03:18:23,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 03:18:23,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:23" (1/1) ... [2021-10-13 03:18:23,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:23" (1/1) ... [2021-10-13 03:18:23,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:23" (1/1) ... [2021-10-13 03:18:23,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:23" (1/1) ... [2021-10-13 03:18:23,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:23" (1/1) ... [2021-10-13 03:18:23,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:23" (1/1) ... [2021-10-13 03:18:23,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:23" (1/1) ... [2021-10-13 03:18:23,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 03:18:23,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 03:18:23,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 03:18:23,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 03:18:23,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:23" (1/1) ... [2021-10-13 03:18:23,287 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:18:23,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ca988-0a9f-42ef-8265-e53b0dd5cfe9/bin/ukojak-fKGseLULKY/z3 [2021-10-13 03:18:23,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ca988-0a9f-42ef-8265-e53b0dd5cfe9/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 03:18:23,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ca988-0a9f-42ef-8265-e53b0dd5cfe9/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 03:18:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 03:18:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 03:18:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 03:18:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 03:18:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 03:18:23,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 03:18:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 03:18:23,724 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 03:18:23,724 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-13 03:18:23,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:18:23 BoogieIcfgContainer [2021-10-13 03:18:23,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 03:18:23,727 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 03:18:23,727 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 03:18:23,738 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 03:18:23,738 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:18:23" (1/1) ... [2021-10-13 03:18:23,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 03:18:23,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:23,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2021-10-13 03:18:23,784 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2021-10-13 03:18:23,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 03:18:23,786 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:23,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:24,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:24,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:24,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-10-13 03:18:24,236 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-10-13 03:18:24,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 03:18:24,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:24,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:24,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:18:24,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:24,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-10-13 03:18:24,649 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-10-13 03:18:24,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 03:18:24,649 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:24,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:24,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:18:25,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:25,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2021-10-13 03:18:25,099 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2021-10-13 03:18:25,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 03:18:25,099 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:25,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:25,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:18:25,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:25,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2021-10-13 03:18:25,790 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-10-13 03:18:25,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 03:18:25,790 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:25,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:26,008 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:18:26,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:26,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2021-10-13 03:18:26,513 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2021-10-13 03:18:26,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 03:18:26,513 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:26,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:26,775 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:18:27,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:27,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2021-10-13 03:18:27,131 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-10-13 03:18:27,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 03:18:27,131 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:27,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:27,415 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 03:18:28,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:28,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2021-10-13 03:18:28,612 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2021-10-13 03:18:28,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 03:18:28,614 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:28,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:29,007 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 03:18:29,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:29,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2021-10-13 03:18:29,582 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2021-10-13 03:18:29,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 03:18:29,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:29,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:29,845 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 03:18:30,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:30,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2021-10-13 03:18:30,541 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2021-10-13 03:18:30,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 03:18:30,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:30,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:30,817 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 03:18:31,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:31,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2021-10-13 03:18:31,330 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2021-10-13 03:18:31,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 03:18:31,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:31,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:31,521 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 03:18:31,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:31,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2021-10-13 03:18:31,847 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2021-10-13 03:18:31,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 03:18:31,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:31,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:33,323 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 03:18:38,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:38,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 48 transitions. [2021-10-13 03:18:38,093 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2021-10-13 03:18:38,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 03:18:38,094 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:38,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:38,396 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 03:18:38,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:38,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2021-10-13 03:18:38,861 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2021-10-13 03:18:38,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 03:18:38,862 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:38,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:39,193 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 03:18:39,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:39,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2021-10-13 03:18:39,976 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2021-10-13 03:18:39,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 03:18:39,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:39,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:40,719 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 03:18:44,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:44,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2021-10-13 03:18:44,289 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2021-10-13 03:18:44,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 03:18:44,290 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:44,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:44,373 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 03:18:45,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:45,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2021-10-13 03:18:45,403 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2021-10-13 03:18:45,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 03:18:45,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:45,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:46,714 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 03:18:51,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:51,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2021-10-13 03:18:51,049 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-13 03:18:51,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 03:18:51,049 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:51,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:51,439 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 03:18:52,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:52,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2021-10-13 03:18:52,135 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2021-10-13 03:18:52,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 03:18:52,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:52,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:54,733 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:19:04,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:19:04,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 51 transitions. [2021-10-13 03:19:04,051 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2021-10-13 03:19:04,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 03:19:04,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:19:04,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:19:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:19:04,733 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:19:05,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:19:05,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 32 states and 43 transitions. [2021-10-13 03:19:05,581 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2021-10-13 03:19:05,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 03:19:05,582 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:19:05,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:19:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:19:08,907 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 03:19:21,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:19:21,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2021-10-13 03:19:21,802 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2021-10-13 03:19:21,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 03:19:21,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:19:21,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:19:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:19:25,579 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:19:44,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:19:44,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 92 transitions. [2021-10-13 03:19:44,296 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2021-10-13 03:19:44,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 03:19:44,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:19:44,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:19:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:19:45,061 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:19:46,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:19:46,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 55 states and 93 transitions. [2021-10-13 03:19:46,044 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 93 transitions. [2021-10-13 03:19:46,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 03:19:46,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:19:46,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:19:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:19:46,832 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:19:47,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:19:47,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 56 states and 95 transitions. [2021-10-13 03:19:47,629 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 95 transitions. [2021-10-13 03:19:47,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-13 03:19:47,630 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:19:47,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:19:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:19:49,566 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-13 03:20:08,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:20:08,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 72 states and 143 transitions. [2021-10-13 03:20:08,765 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 143 transitions. [2021-10-13 03:20:08,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-13 03:20:08,766 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:20:08,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:20:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:20:08,851 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-13 03:20:10,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:20:10,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 73 states and 149 transitions. [2021-10-13 03:20:10,066 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 149 transitions. [2021-10-13 03:20:10,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-13 03:20:10,067 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:20:10,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:20:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:20:10,156 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-13 03:20:11,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:20:11,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 74 states and 155 transitions. [2021-10-13 03:20:11,280 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 155 transitions. [2021-10-13 03:20:11,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-13 03:20:11,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:20:11,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:20:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:20:11,387 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-13 03:20:15,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:20:15,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 77 states and 158 transitions. [2021-10-13 03:20:15,304 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 158 transitions. [2021-10-13 03:20:15,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-13 03:20:15,305 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:20:15,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:20:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:20:15,386 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-13 03:20:16,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:20:16,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 78 states and 160 transitions. [2021-10-13 03:20:16,353 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 160 transitions. [2021-10-13 03:20:16,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-13 03:20:16,354 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:20:16,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:20:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:20:16,498 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-13 03:20:17,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:20:17,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 79 states and 161 transitions. [2021-10-13 03:20:17,523 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 161 transitions. [2021-10-13 03:20:17,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 03:20:17,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:20:17,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:20:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:20:17,615 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 21 proven. 35 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-10-13 03:20:19,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:20:19,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 81 states and 167 transitions. [2021-10-13 03:20:19,967 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 167 transitions. [2021-10-13 03:20:19,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 03:20:19,968 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:20:19,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:20:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:20:20,057 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 21 proven. 35 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-10-13 03:20:21,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:20:21,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 82 states and 171 transitions. [2021-10-13 03:20:21,305 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 171 transitions. [2021-10-13 03:20:21,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 03:20:21,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:20:21,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:20:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:20:21,446 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 37 proven. 35 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-13 03:20:22,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:20:22,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 83 states and 172 transitions. [2021-10-13 03:20:22,633 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 172 transitions. [2021-10-13 03:20:22,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 03:20:22,634 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:20:22,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:20:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:20:22,724 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 37 proven. 35 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-13 03:20:26,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:20:26,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 86 states and 176 transitions. [2021-10-13 03:20:26,232 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 176 transitions. [2021-10-13 03:20:26,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-13 03:20:26,232 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:20:26,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:20:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:20:26,327 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 53 proven. 35 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-13 03:20:27,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:20:27,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 45 states and 77 transitions. [2021-10-13 03:20:27,652 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 77 transitions. [2021-10-13 03:20:27,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 03:20:27,652 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2021-10-13 03:20:27,668 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-13 03:20:29,560 INFO L565 CodeCheckObserver]: Invariant with dag size 111 [2021-10-13 03:20:29,595 INFO L565 CodeCheckObserver]: Invariant with dag size 112 [2021-10-13 03:20:29,609 INFO L565 CodeCheckObserver]: Invariant with dag size 14 [2021-10-13 03:20:29,610 INFO L565 CodeCheckObserver]: Invariant with dag size 111 [2021-10-13 03:20:29,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 03:20:29 ImpRootNode [2021-10-13 03:20:29,622 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 03:20:29,623 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 03:20:29,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 03:20:29,624 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 03:20:29,624 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:18:23" (3/4) ... [2021-10-13 03:20:29,627 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 03:20:29,640 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-13 03:20:29,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-13 03:20:29,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 03:20:29,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 03:20:29,691 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ca988-0a9f-42ef-8265-e53b0dd5cfe9/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 03:20:29,691 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 03:20:29,693 INFO L168 Benchmark]: Toolchain (without parser) took 126861.28 ms. Allocated memory was 109.1 MB in the beginning and 861.9 MB in the end (delta: 752.9 MB). Free memory was 78.1 MB in the beginning and 550.7 MB in the end (delta: -472.6 MB). Peak memory consumption was 280.0 MB. Max. memory is 16.1 GB. [2021-10-13 03:20:29,693 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 109.1 MB. Free memory is still 65.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:20:29,694 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.92 ms. Allocated memory is still 109.1 MB. Free memory was 77.8 MB in the beginning and 84.1 MB in the end (delta: -6.3 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-13 03:20:29,694 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.37 ms. Allocated memory is still 109.1 MB. Free memory was 84.1 MB in the beginning and 82.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:20:29,695 INFO L168 Benchmark]: Boogie Preprocessor took 48.06 ms. Allocated memory is still 109.1 MB. Free memory was 82.6 MB in the beginning and 81.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:20:29,695 INFO L168 Benchmark]: RCFGBuilder took 448.12 ms. Allocated memory is still 109.1 MB. Free memory was 81.3 MB in the beginning and 67.9 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 03:20:29,696 INFO L168 Benchmark]: CodeCheck took 125895.15 ms. Allocated memory was 109.1 MB in the beginning and 861.9 MB in the end (delta: 752.9 MB). Free memory was 67.5 MB in the beginning and 556.0 MB in the end (delta: -488.5 MB). Peak memory consumption was 264.3 MB. Max. memory is 16.1 GB. [2021-10-13 03:20:29,697 INFO L168 Benchmark]: Witness Printer took 67.84 ms. Allocated memory is still 861.9 MB. Free memory was 556.0 MB in the beginning and 550.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 03:20:29,700 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 123896.5ms, OverallIterations: 36, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 0 SDtfs, 175127708 SDslu, 0 SDs, 0 SdLazy, 1088605868 SolverSat, 1932190044 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35205.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7453 GetRequests, 6314 SyntacticMatches, 489 SemanticMatches, 650 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233415 ImplicationChecksByTransitivity, 112615.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 84.3ms SsaConstructionTime, 993.2ms SatisfiabilityAnalysisTime, 21015.9ms InterpolantComputationTime, 761 NumberOfCodeBlocks, 761 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 726 ConstructedInterpolants, 0 QuantifiedInterpolants, 15299 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 2 PerfectInterpolantSequences, 709/1581 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 7]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: (((((((((((((2 <= j && 0 < max / 4294967296 + 1) && str1 == 0) && !(str1 == str2)) && unknown-#memory_int-unknown[str1][str1 + i + 2] == unknown-#memory_int-unknown[str2][0]) && max <= i + 3) && i <= 2) && str2 == 0) && j <= 2) && !(i == 0 && j + 4294967296 * ((4294967295 + max) / 4294967296) == 4294967295 + max)) && unknown-#memory_int-unknown[str1][str1 + i + 1] == unknown-#memory_int-unknown[str2][1]) || ((((!(((((unknown-#memory_int-unknown[str1][str1 + i + 1] == unknown-#memory_int-unknown[str2][0] && j <= 1) && 1 <= j) && str1 == 0) && !(str1 == str2)) && str2 == 0) && i <= 4) && 0 < max / 4294967296 + 1) && max <= i + 1) && !(((((((i <= 1 && 3 <= j) && 1 <= i) && str1 == 0) && j <= 3) && !(str1 == str2)) && str2 == 0) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]))) || (((((((((((i <= 1 && unknown-#memory_int-unknown[str1][str1 + i + 3] == unknown-#memory_int-unknown[str2][0]) && 0 < max / 4294967296 + 1) && 3 <= j) && 1 <= i) && str1 == 0) && j <= 3) && !(str1 == str2)) && max <= i + 4) && unknown-#memory_int-unknown[str1][str1 + i + 2] == unknown-#memory_int-unknown[str2][1]) && str2 == 0) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2])) || (((((((((((str2 + j + i + 4294967296 * ((4294967295 + max) / 4294967296) == str1 + 4294967295 + max && i + 4294967296 * ((4294967295 + max) / 4294967296) < 4294967297) && unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + str1 + 4294967294 + max + (4294967295 + max) / 4294967296 * -4294967296] == unknown-#memory_int-unknown[str1][1]) && 4294967296 <= i + 4294967296 * ((4294967295 + max) / 4294967296)) && str1 == 0) && !(str1 == str2)) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][2]) && unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][0] == unknown-#memory_int-unknown[str1][str1 + 4]) && i + 4294967296 * ((4294967295 + max) / 4294967296) <= 4294967291 + max) && unknown-#memory_int-unknown[str1][str1 + 3] == unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][1]) && str2 == 0) && 4294967291 + max <= i + 4294967296 * ((4294967295 + max) / 4294967296))) || ((((((((unknown-#memory_int-unknown[str1][str1 + i + 1] == unknown-#memory_int-unknown[str2][0] && j <= 1) && 0 < max / 4294967296 + 1) && 1 <= j) && str1 == 0) && !(str1 == str2)) && i <= 3) && str2 == 0) && max <= i + 2) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((str1 + i <= 1 && 0 < max / 4294967296 + 1) && str1 == 0) && max <= i) || ((((((((((((unknown-#memory_int-unknown[str2][str1 + 4294967294 + max + (4294967295 + max) / 4294967296 * -4294967296] == unknown-#memory_int-unknown[str1][1] && max <= 5) && unknown-#memory_int-unknown[str1][str1 + 3] == unknown-#memory_int-unknown[str2][1]) && 0 < max / 4294967296 + 1) && str1 == 0) && unknown-#memory_int-unknown[str1][str1 + 4] == unknown-#memory_int-unknown[str2][0]) && !(str1 == str2)) && i == 0) && str2 == 0) && 4294967296 * ((4294967295 + max) / 4294967296) <= 4294967291 + max) && unknown-#memory_int-unknown[str2][str2 + j] == unknown-#memory_int-unknown[str1][str1 + i]) && j + 4294967296 * ((4294967295 + max) / 4294967296) == 4294967295 + max) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2])) || ((((((((((0 < max / 4294967296 + 1 && str1 == 0) && !(str1 == str2)) && unknown-#memory_int-unknown[str1][str1 + i + 2] == unknown-#memory_int-unknown[str2][0]) && max <= i + 3) && 1 < str2 + j) && str2 == 0) && str1 + i == 2) && unknown-#memory_int-unknown[str2][str2 + j] == unknown-#memory_int-unknown[str1][str1 + i]) && str2 + j <= 2) && unknown-#memory_int-unknown[str1][str1 + i + 1] == unknown-#memory_int-unknown[str2][1])) || ((((((((((((str1 + i <= 1 && unknown-#memory_int-unknown[str1][str1 + i + 3] == unknown-#memory_int-unknown[str2][0]) && 0 < max / 4294967296 + 1) && 3 <= j) && str1 == 0) && j <= 3) && !(str1 == str2)) && max <= i + 4) && unknown-#memory_int-unknown[str1][str1 + i + 2] == unknown-#memory_int-unknown[str2][1]) && str2 == 0) && unknown-#memory_int-unknown[str2][str2 + j] == unknown-#memory_int-unknown[str1][str1 + i]) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && 0 < str1 + i)) || (((0 < max / 4294967296 + 1 && max <= i) && 3 < i) && i / 4294967296 <= 0)) || ((((((((i <= 4 && 0 < max / 4294967296 + 1) && !(((str1 == 0 && 1 < str2 + j) && str1 + i == 2) && str2 + j <= 2)) && max <= i + 1) && !(str1 == str2)) && !((str1 + i <= 1 && str1 == 0) && 0 < str1 + i)) && str2 == 0) && unknown-#memory_int-unknown[str2][str2 + j] == unknown-#memory_int-unknown[str1][str1 + i]) && !(((unknown-#memory_int-unknown[str1][str1 + i + 1] == unknown-#memory_int-unknown[str2][0] && j <= 1) && 1 <= j) && str1 == 0))) || (((0 < max / 4294967296 + 1 && max <= i) && !((!(str1 == str2) && str2 == 0) && unknown-#memory_int-unknown[str2][str2 + j] == unknown-#memory_int-unknown[str1][str1 + i])) && i / 4294967296 <= 0)) || (((((((((unknown-#memory_int-unknown[str1][str1 + i + 1] == unknown-#memory_int-unknown[str2][0] && j <= 1) && 0 < max / 4294967296 + 1) && 1 <= j) && str1 == 0) && !(str1 == str2)) && i <= 3) && str2 == 0) && max <= i + 2) && unknown-#memory_int-unknown[str2][str2 + j] == unknown-#memory_int-unknown[str1][str1 + i])) || (((((((str1 + i <= 1 && 0 < max / 4294967296 + 1) && str1 == 0) && max <= i + 1) && !(str1 == str2)) && !((3 <= j && j <= 3) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2])) && str2 == 0) && unknown-#memory_int-unknown[str2][str2 + j] == unknown-#memory_int-unknown[str1][str1 + i]) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (((max <= 5 && 5 <= max) && str1 == 0) && !(str1 == str2)) && str2 == 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: ((((((((((max <= 5 && 5 <= max) && i + 4294967296 * ((4294967295 + max) / 4294967296) == 4294967295 + max) && str1 == 0) && !(str1 == str2)) && str2 == 0) && j == 0) || (((((((((((unknown-#memory_int-unknown[str2][str1 + 4294967294 + max + (4294967295 + max) / 4294967296 * -4294967296] == unknown-#memory_int-unknown[str1][1] && i + 4294967296 * ((4294967295 + max) / 4294967296) <= 4294967295) && unknown-#memory_int-unknown[str1][str1 + 3] == unknown-#memory_int-unknown[str2][1]) && str1 == 0) && unknown-#memory_int-unknown[str1][str1 + 4] == unknown-#memory_int-unknown[str2][0]) && !(str1 == str2)) && 4294967290 + max <= i + 4294967296 * ((4294967295 + max) / 4294967296)) && 0 < (4294967295 + max) / 4294967296) && str2 == 0) && 4294967296 * ((4294967295 + max) / 4294967296) <= 4294967291 + max) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && unknown-#memory_int-unknown[str2][str1 + 4294967295 + max + (4294967295 + max) / 4294967296 * -4294967296] == unknown-#memory_int-unknown[str1][0])) || (((((((((str1 == 0 && !(str1 == str2)) && i + 4294967296 * ((4294967295 + max) / 4294967296) <= 4294967298) && unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][0] == unknown-#memory_int-unknown[str1][str1 + 4]) && unknown-#memory_int-unknown[str1][str1 + 3] == unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][1]) && str2 == 0) && 4294967295 + max == j + i + 4294967296 * ((4294967295 + max) / 4294967296)) && str2 + j <= 2) && i + 4294967296 * ((4294967295 + max) / 4294967296) <= max + 4294967293) && 4294967298 <= i + 4294967296 * ((4294967295 + max) / 4294967296))) || (((((((((((str2 + j + i + 4294967296 * ((4294967295 + max) / 4294967296) == str1 + 4294967295 + max && i + 4294967296 * ((4294967295 + max) / 4294967296) < 4294967297) && unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][i * -1 + str1 + 4294967294 + max + (4294967295 + max) / 4294967296 * -4294967296] == unknown-#memory_int-unknown[str1][1]) && 4294967296 <= i + 4294967296 * ((4294967295 + max) / 4294967296)) && str1 == 0) && !(str1 == str2)) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][2]) && unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][0] == unknown-#memory_int-unknown[str1][str1 + 4]) && i + 4294967296 * ((4294967295 + max) / 4294967296) <= 4294967291 + max) && unknown-#memory_int-unknown[str1][str1 + 3] == unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][1]) && str2 == 0) && 4294967291 + max <= i + 4294967296 * ((4294967295 + max) / 4294967296))) || ((((((((((4294967297 <= i + 4294967296 * ((4294967295 + max) / 4294967296) && i + 4294967296 * ((4294967295 + max) / 4294967296) <= 4294967292 + max) && i + 4294967296 * ((4294967295 + max) / 4294967296) <= 4294967297) && str1 == 0) && !(str1 == str2)) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][2]) && unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][0] == unknown-#memory_int-unknown[str1][str1 + 4]) && unknown-#memory_int-unknown[str1][str1 + 3] == unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][1]) && 4294967292 + max <= i + 4294967296 * ((4294967295 + max) / 4294967296)) && str2 == 0) && 4294967295 + max == j + i + 4294967296 * ((4294967295 + max) / 4294967296))) || ((((((((j <= 1 && i + 4294967296 * ((4294967295 + max) / 4294967296) <= 4294967299) && i + 4294967296 * ((4294967295 + max) / 4294967296) <= 4294967294 + max) && str1 == 0) && 4294967299 <= i + 4294967296 * ((4294967295 + max) / 4294967296)) && !(str1 == str2)) && unknown-#memory_int-unknown[str2][str2 + j := unknown-#memory_int-unknown[str1][str1 + i]][0] == unknown-#memory_int-unknown[str1][str1 + 4]) && str2 == 0) && 4294967295 + max == j + i + 4294967296 * ((4294967295 + max) / 4294967296)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 109.1 MB. Free memory is still 65.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 340.92 ms. Allocated memory is still 109.1 MB. Free memory was 77.8 MB in the beginning and 84.1 MB in the end (delta: -6.3 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.37 ms. Allocated memory is still 109.1 MB. Free memory was 84.1 MB in the beginning and 82.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.06 ms. Allocated memory is still 109.1 MB. Free memory was 82.6 MB in the beginning and 81.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 448.12 ms. Allocated memory is still 109.1 MB. Free memory was 81.3 MB in the beginning and 67.9 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 125895.15 ms. Allocated memory was 109.1 MB in the beginning and 861.9 MB in the end (delta: 752.9 MB). Free memory was 67.5 MB in the beginning and 556.0 MB in the end (delta: -488.5 MB). Peak memory consumption was 264.3 MB. Max. memory is 16.1 GB. * Witness Printer took 67.84 ms. Allocated memory is still 861.9 MB. Free memory was 556.0 MB in the beginning and 550.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-13 03:20:29,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc7ca988-0a9f-42ef-8265-e53b0dd5cfe9/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...