./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/sum05-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abde306-90cb-4618-9c2b-3567184061c8/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abde306-90cb-4618-9c2b-3567184061c8/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abde306-90cb-4618-9c2b-3567184061c8/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abde306-90cb-4618-9c2b-3567184061c8/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/sum05-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abde306-90cb-4618-9c2b-3567184061c8/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abde306-90cb-4618-9c2b-3567184061c8/bin/ukojak-Rh5K9KB4LI --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 11bff2dc480380b1206bedd51506b0437b9af4529e78b5beefb811437146f17f ..................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:27:51,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:27:51,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:27:51,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:27:51,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:27:51,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:27:51,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:27:51,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:27:51,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:27:51,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:27:51,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:27:51,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:27:51,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:27:51,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:27:51,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:27:51,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:27:51,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:27:51,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:27:51,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:27:51,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:27:51,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:27:51,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:27:51,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:27:51,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:27:51,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:27:51,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:27:51,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:27:51,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:27:51,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:27:51,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:27:51,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:27:51,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:27:51,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:27:51,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:27:51,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:27:51,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:27:51,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:27:51,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:27:51,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:27:51,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:27:51,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:27:51,515 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abde306-90cb-4618-9c2b-3567184061c8/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:27:51,575 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:27:51,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:27:51,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:27:51,578 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:27:51,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:27:51,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:27:51,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:27:51,580 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:27:51,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:27:51,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:27:51,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:27:51,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:27:51,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:27:51,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:27:51,583 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:27:51,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:27:51,584 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:27:51,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:27:51,584 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:27:51,585 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:27:51,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:27:51,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:27:51,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:27:51,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:27:51,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:27:51,587 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:27:51,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:27:51,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:27:51,587 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_1abde306-90cb-4618-9c2b-3567184061c8/bin/ukojak-Rh5K9KB4LI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abde306-90cb-4618-9c2b-3567184061c8/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11bff2dc480380b1206bedd51506b0437b9af4529e78b5beefb811437146f17f [2021-10-29 03:27:51,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:27:51,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:27:51,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:27:51,997 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:27:51,998 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:27:51,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abde306-90cb-4618-9c2b-3567184061c8/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/reducercommutativity/sum05-2.i [2021-10-29 03:27:52,080 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abde306-90cb-4618-9c2b-3567184061c8/bin/ukojak-Rh5K9KB4LI/data/58d3907a1/d6549aaebb694041a265dcb60bac6097/FLAG5d6dc0948 [2021-10-29 03:27:52,698 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:27:52,699 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abde306-90cb-4618-9c2b-3567184061c8/sv-benchmarks/c/reducercommutativity/sum05-2.i [2021-10-29 03:27:52,706 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abde306-90cb-4618-9c2b-3567184061c8/bin/ukojak-Rh5K9KB4LI/data/58d3907a1/d6549aaebb694041a265dcb60bac6097/FLAG5d6dc0948 [2021-10-29 03:27:53,050 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abde306-90cb-4618-9c2b-3567184061c8/bin/ukojak-Rh5K9KB4LI/data/58d3907a1/d6549aaebb694041a265dcb60bac6097 [2021-10-29 03:27:53,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:27:53,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:27:53,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:27:53,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:27:53,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:27:53,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:27:53" (1/1) ... [2021-10-29 03:27:53,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab1fad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:27:53, skipping insertion in model container [2021-10-29 03:27:53,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:27:53" (1/1) ... [2021-10-29 03:27:53,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:27:53,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:27:53,335 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_1abde306-90cb-4618-9c2b-3567184061c8/sv-benchmarks/c/reducercommutativity/sum05-2.i[1271,1284] [2021-10-29 03:27:53,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:27:53,347 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:27:53,387 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_1abde306-90cb-4618-9c2b-3567184061c8/sv-benchmarks/c/reducercommutativity/sum05-2.i[1271,1284] [2021-10-29 03:27:53,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:27:53,416 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:27:53,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:27:53 WrapperNode [2021-10-29 03:27:53,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:27:53,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:27:53,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:27:53,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:27:53,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:27:53" (1/1) ... [2021-10-29 03:27:53,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:27:53" (1/1) ... [2021-10-29 03:27:53,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:27:53,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:27:53,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:27:53,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:27:53,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:27:53" (1/1) ... [2021-10-29 03:27:53,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:27:53" (1/1) ... [2021-10-29 03:27:53,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:27:53" (1/1) ... [2021-10-29 03:27:53,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:27:53" (1/1) ... [2021-10-29 03:27:53,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:27:53" (1/1) ... [2021-10-29 03:27:53,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:27:53" (1/1) ... [2021-10-29 03:27:53,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:27:53" (1/1) ... [2021-10-29 03:27:53,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:27:53,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:27:53,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:27:53,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:27:53,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:27:53" (1/1) ... [2021-10-29 03:27:53,508 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:27:53,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abde306-90cb-4618-9c2b-3567184061c8/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:27:53,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abde306-90cb-4618-9c2b-3567184061c8/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:27:53,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abde306-90cb-4618-9c2b-3567184061c8/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:27:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2021-10-29 03:27:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2021-10-29 03:27:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:27:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:27:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 03:27:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:27:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:27:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 03:27:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:27:53,932 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:27:53,933 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:27:53,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:27:53 BoogieIcfgContainer [2021-10-29 03:27:53,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:27:53,937 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:27:53,938 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:27:53,950 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:27:53,951 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:27:53" (1/1) ... [2021-10-29 03:27:53,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:27:54,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:54,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-10-29 03:27:54,039 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-10-29 03:27:54,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:27:54,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:54,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:27:54,330 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-29 03:27:54,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:54,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2021-10-29 03:27:54,403 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-10-29 03:27:54,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:27:54,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:54,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:27:54,542 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-29 03:27:54,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:54,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2021-10-29 03:27:54,626 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2021-10-29 03:27:54,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:27:54,628 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:54,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:27:54,756 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:27:54,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:54,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2021-10-29 03:27:54,810 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-10-29 03:27:54,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:27:54,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:54,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:27:54,898 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 03:27:54,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:54,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-10-29 03:27:54,973 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-10-29 03:27:54,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:27:54,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:54,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:27:55,127 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-10-29 03:27:55,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:55,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2021-10-29 03:27:55,166 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2021-10-29 03:27:55,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:27:55,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:55,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:27:55,278 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-10-29 03:27:55,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:55,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2021-10-29 03:27:55,359 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-10-29 03:27:55,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:27:55,364 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:55,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:27:55,504 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-10-29 03:27:55,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:55,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-10-29 03:27:55,586 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-10-29 03:27:55,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:27:55,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:55,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:27:55,728 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-10-29 03:27:55,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:55,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2021-10-29 03:27:55,830 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2021-10-29 03:27:55,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:27:55,834 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:55,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:27:55,969 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-10-29 03:27:56,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:56,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2021-10-29 03:27:56,054 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2021-10-29 03:27:56,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 03:27:56,060 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:56,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:27:56,170 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-10-29 03:27:56,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:56,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2021-10-29 03:27:56,285 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2021-10-29 03:27:56,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 03:27:56,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:56,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:27:56,365 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-10-29 03:27:56,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:56,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2021-10-29 03:27:56,472 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2021-10-29 03:27:56,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 03:27:56,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:56,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:27:56,574 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-10-29 03:27:56,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:56,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2021-10-29 03:27:56,694 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2021-10-29 03:27:56,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 03:27:56,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:56,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:27:56,813 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-10-29 03:27:56,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:56,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2021-10-29 03:27:56,916 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2021-10-29 03:27:56,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 03:27:56,916 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:56,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:27:57,012 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-10-29 03:27:57,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:27:57,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2021-10-29 03:27:57,116 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2021-10-29 03:27:57,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-29 03:27:57,117 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:27:57,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:27:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:28:04,338 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-29 03:28:13,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:13,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 32 transitions. [2021-10-29 03:28:13,308 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2021-10-29 03:28:13,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:28:13,309 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2021-10-29 03:28:13,327 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:28:13,609 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:28:13,613 INFO L565 CodeCheckObserver]: Invariant with dag size 78 [2021-10-29 03:28:13,669 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:28:13,673 INFO L565 CodeCheckObserver]: Invariant with dag size 10 [2021-10-29 03:28:13,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:28:13 ImpRootNode [2021-10-29 03:28:13,675 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:28:13,676 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:28:13,676 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:28:13,676 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:28:13,677 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:27:53" (3/4) ... [2021-10-29 03:28:13,680 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:28:13,686 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2021-10-29 03:28:13,692 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-10-29 03:28:13,693 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-29 03:28:13,693 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:28:13,693 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:28:13,776 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abde306-90cb-4618-9c2b-3567184061c8/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:28:13,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:28:13,779 INFO L168 Benchmark]: Toolchain (without parser) took 20716.19 ms. Allocated memory was 96.5 MB in the beginning and 201.3 MB in the end (delta: 104.9 MB). Free memory was 59.3 MB in the beginning and 117.0 MB in the end (delta: -57.7 MB). Peak memory consumption was 47.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:13,780 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 96.5 MB. Free memory was 75.5 MB in the beginning and 75.5 MB in the end (delta: 55.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:28:13,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.18 ms. Allocated memory is still 96.5 MB. Free memory was 59.1 MB in the beginning and 71.6 MB in the end (delta: -12.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:13,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.79 ms. Allocated memory is still 96.5 MB. Free memory was 71.6 MB in the beginning and 70.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:28:13,782 INFO L168 Benchmark]: Boogie Preprocessor took 35.94 ms. Allocated memory is still 96.5 MB. Free memory was 70.1 MB in the beginning and 68.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:13,790 INFO L168 Benchmark]: RCFGBuilder took 439.12 ms. Allocated memory is still 96.5 MB. Free memory was 68.7 MB in the beginning and 55.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:13,791 INFO L168 Benchmark]: CodeCheck took 19737.81 ms. Allocated memory was 96.5 MB in the beginning and 201.3 MB in the end (delta: 104.9 MB). Free memory was 55.5 MB in the beginning and 121.2 MB in the end (delta: -65.7 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:13,792 INFO L168 Benchmark]: Witness Printer took 101.23 ms. Allocated memory is still 201.3 MB. Free memory was 120.2 MB in the beginning and 117.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:13,795 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 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.3s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 278544 SDtfs, 4 SDslu, 0 SDs, 0 SdLazy, 266340 SolverSat, 170240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2582 GetRequests, 2411 SyntacticMatches, 21 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8861 ImplicationChecksByTransitivity, 12.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 475 NumberOfCodeBlocks, 475 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 460 ConstructedInterpolants, 0 QuantifiedInterpolants, 3894 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 2 PerfectInterpolantSequences, 788/1120 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 - PositiveResult [Line: 50]: 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: 49]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((1 < i && i <= 2) && (x == 0 || x == x)) && (!(x == 0) || ((ret <= unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][0] && x == x) && unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][0] <= ret))) || (((i <= 3 && (x == 0 || x == x)) && (((unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][0] <= ret && x == x) && ret <= unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][0]) || !(x == 0))) && 2 < i)) || (((x == 0 || x == x) && i <= 1) && (!(x == 0) || (((unknown-#memory_int-unknown[x][0] <= ret && x == x) && 1 <= i) && ret <= unknown-#memory_int-unknown[x][0])))) || (((ret == 0 && i == 0) && (x == 0 || x == x)) && x == x)) || (4 < i && ((ret <= unknown-#memory_int-unknown[x][8] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][12] + unknown-#memory_int-unknown[x][4] + unknown-#memory_int-unknown[x][16] && unknown-#memory_int-unknown[x][8] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][12] + unknown-#memory_int-unknown[x][4] + unknown-#memory_int-unknown[x][16] <= ret) || !(x == 0)))) || ((((x == 0 || x == x) && 3 < i) && (!(x == 0) || ((ret <= unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 12] && x == x) && unknown-#memory_int-unknown[x][x + 8] + unknown-#memory_int-unknown[x][x + 4] + unknown-#memory_int-unknown[x][0] + unknown-#memory_int-unknown[x][x + 12] <= ret))) && i <= 4) - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (x == 0 && 1 <= i) || (x == 0 && i == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 96.5 MB. Free memory was 75.5 MB in the beginning and 75.5 MB in the end (delta: 55.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 355.18 ms. Allocated memory is still 96.5 MB. Free memory was 59.1 MB in the beginning and 71.6 MB in the end (delta: -12.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.79 ms. Allocated memory is still 96.5 MB. Free memory was 71.6 MB in the beginning and 70.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.94 ms. Allocated memory is still 96.5 MB. Free memory was 70.1 MB in the beginning and 68.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 439.12 ms. Allocated memory is still 96.5 MB. Free memory was 68.7 MB in the beginning and 55.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 19737.81 ms. Allocated memory was 96.5 MB in the beginning and 201.3 MB in the end (delta: 104.9 MB). Free memory was 55.5 MB in the beginning and 121.2 MB in the end (delta: -65.7 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * Witness Printer took 101.23 ms. Allocated memory is still 201.3 MB. Free memory was 120.2 MB in the beginning and 117.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:28:13,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abde306-90cb-4618-9c2b-3567184061c8/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...