./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c --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_6d67ce6c-a969-4031-b59f-755fade6599d/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d67ce6c-a969-4031-b59f-755fade6599d/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_6d67ce6c-a969-4031-b59f-755fade6599d/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d67ce6c-a969-4031-b59f-755fade6599d/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d67ce6c-a969-4031-b59f-755fade6599d/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_6d67ce6c-a969-4031-b59f-755fade6599d/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 bc897f414e0a05ffd4da5dfbe75d0cb0f250cea1356c39694412a6f55b10a7b1 ....................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:31:13,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:31:13,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:31:13,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:31:13,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:31:13,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:31:13,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:31:13,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:31:13,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:31:13,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:31:13,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:31:13,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:31:13,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:31:13,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:31:13,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:31:13,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:31:13,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:31:13,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:31:13,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:31:13,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:31:13,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:31:13,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:31:13,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:31:13,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:31:13,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:31:13,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:31:13,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:31:13,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:31:13,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:31:13,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:31:13,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:31:13,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:31:13,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:31:13,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:31:13,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:31:13,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:31:13,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:31:13,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:31:13,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:31:13,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:31:13,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:31:13,371 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d67ce6c-a969-4031-b59f-755fade6599d/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:31:13,407 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:31:13,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:31:13,408 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:31:13,408 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:31:13,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:31:13,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:31:13,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:31:13,410 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:31:13,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:31:13,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:31:13,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:31:13,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:31:13,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:31:13,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:31:13,412 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:31:13,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:31:13,413 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:31:13,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:31:13,413 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:31:13,414 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:31:13,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:31:13,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:31:13,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:31:13,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:31:13,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:31:13,415 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:31:13,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:31:13,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:31:13,416 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_6d67ce6c-a969-4031-b59f-755fade6599d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d67ce6c-a969-4031-b59f-755fade6599d/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc897f414e0a05ffd4da5dfbe75d0cb0f250cea1356c39694412a6f55b10a7b1 [2021-10-29 03:31:13,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:31:13,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:31:13,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:31:13,804 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:31:13,805 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:31:13,808 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d67ce6c-a969-4031-b59f-755fade6599d/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2021-10-29 03:31:13,897 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d67ce6c-a969-4031-b59f-755fade6599d/bin/ukojak-Rh5K9KB4LI/data/2158e5357/7037960ef89a4ed0a4f37c9763016fe2/FLAG3de8ab956 [2021-10-29 03:31:14,558 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:31:14,562 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d67ce6c-a969-4031-b59f-755fade6599d/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2021-10-29 03:31:14,584 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d67ce6c-a969-4031-b59f-755fade6599d/bin/ukojak-Rh5K9KB4LI/data/2158e5357/7037960ef89a4ed0a4f37c9763016fe2/FLAG3de8ab956 [2021-10-29 03:31:14,777 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d67ce6c-a969-4031-b59f-755fade6599d/bin/ukojak-Rh5K9KB4LI/data/2158e5357/7037960ef89a4ed0a4f37c9763016fe2 [2021-10-29 03:31:14,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:31:14,785 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:31:14,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:31:14,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:31:14,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:31:14,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:31:14" (1/1) ... [2021-10-29 03:31:14,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@744e61e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:14, skipping insertion in model container [2021-10-29 03:31:14,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:31:14" (1/1) ... [2021-10-29 03:31:14,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:31:14,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:31:15,459 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_6d67ce6c-a969-4031-b59f-755fade6599d/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c[32736,32749] [2021-10-29 03:31:15,470 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_6d67ce6c-a969-4031-b59f-755fade6599d/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c[33038,33051] [2021-10-29 03:31:15,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:31:15,571 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:31:15,759 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_6d67ce6c-a969-4031-b59f-755fade6599d/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c[32736,32749] [2021-10-29 03:31:15,781 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_6d67ce6c-a969-4031-b59f-755fade6599d/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c[33038,33051] [2021-10-29 03:31:15,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:31:15,879 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:31:15,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:15 WrapperNode [2021-10-29 03:31:15,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:31:15,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:31:15,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:31:15,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:31:15,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:15" (1/1) ... [2021-10-29 03:31:15,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:15" (1/1) ... [2021-10-29 03:31:16,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:31:16,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:31:16,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:31:16,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:31:16,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:15" (1/1) ... [2021-10-29 03:31:16,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:15" (1/1) ... [2021-10-29 03:31:16,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:15" (1/1) ... [2021-10-29 03:31:16,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:15" (1/1) ... [2021-10-29 03:31:16,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:15" (1/1) ... [2021-10-29 03:31:16,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:15" (1/1) ... [2021-10-29 03:31:16,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:15" (1/1) ... [2021-10-29 03:31:16,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:31:16,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:31:16,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:31:16,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:31:16,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:31:15" (1/1) ... [2021-10-29 03:31:16,138 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:31:16,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d67ce6c-a969-4031-b59f-755fade6599d/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:31:16,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d67ce6c-a969-4031-b59f-755fade6599d/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:31:16,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d67ce6c-a969-4031-b59f-755fade6599d/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:31:16,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:31:16,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:31:16,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:31:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:31:17,805 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:31:17,806 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-29 03:31:17,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:31:17 BoogieIcfgContainer [2021-10-29 03:31:17,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:31:17,813 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:31:17,814 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:31:17,825 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:31:17,826 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:31:17" (1/1) ... [2021-10-29 03:31:17,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:31:17,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:17,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 249 states and 484 transitions. [2021-10-29 03:31:17,885 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 484 transitions. [2021-10-29 03:31:17,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-10-29 03:31:17,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:17,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:18,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:31:18,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:18,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 251 states and 485 transitions. [2021-10-29 03:31:18,833 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 485 transitions. [2021-10-29 03:31:18,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-10-29 03:31:18,838 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:18,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:19,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:31:19,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:19,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 254 states and 488 transitions. [2021-10-29 03:31:19,364 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 488 transitions. [2021-10-29 03:31:19,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-29 03:31:19,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:19,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:19,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:31:20,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:20,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 256 states and 490 transitions. [2021-10-29 03:31:20,190 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 490 transitions. [2021-10-29 03:31:20,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-10-29 03:31:20,192 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:20,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:20,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:31:20,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:20,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 259 states and 495 transitions. [2021-10-29 03:31:20,816 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 495 transitions. [2021-10-29 03:31:20,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-10-29 03:31:20,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:20,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:20,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:31:21,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:21,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 258 states and 493 transitions. [2021-10-29 03:31:21,118 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 493 transitions. [2021-10-29 03:31:21,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-10-29 03:31:21,120 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:21,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:21,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:31:23,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:23,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 368 states and 742 transitions. [2021-10-29 03:31:23,355 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 742 transitions. [2021-10-29 03:31:23,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-10-29 03:31:23,362 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:23,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:23,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:31:23,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:23,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 361 states and 733 transitions. [2021-10-29 03:31:23,677 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 733 transitions. [2021-10-29 03:31:23,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-10-29 03:31:23,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:23,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:24,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:31:31,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:31,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 388 states and 794 transitions. [2021-10-29 03:31:31,788 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 794 transitions. [2021-10-29 03:31:31,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-10-29 03:31:31,791 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:31,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:32,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:31:35,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:35,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 335 states and 678 transitions. [2021-10-29 03:31:35,230 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 678 transitions. [2021-10-29 03:31:35,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-10-29 03:31:35,232 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:35,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:35,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:31:37,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:37,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 282 states and 563 transitions. [2021-10-29 03:31:37,884 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 563 transitions. [2021-10-29 03:31:37,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-10-29 03:31:37,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:37,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:37,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:31:41,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:41,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 204 states and 389 transitions. [2021-10-29 03:31:41,002 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 389 transitions. [2021-10-29 03:31:41,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-10-29 03:31:41,003 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:41,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:41,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:31:44,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:44,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 153 states and 279 transitions. [2021-10-29 03:31:44,083 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 279 transitions. [2021-10-29 03:31:44,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-10-29 03:31:44,084 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:44,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:44,173 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:31:48,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:48,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 155 states and 281 transitions. [2021-10-29 03:31:48,567 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 281 transitions. [2021-10-29 03:31:48,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-10-29 03:31:48,568 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:48,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:48,719 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:31:51,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:51,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 161 states and 292 transitions. [2021-10-29 03:31:51,097 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 292 transitions. [2021-10-29 03:31:51,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-10-29 03:31:51,098 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:51,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:51,319 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:31:54,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:54,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 170 states and 304 transitions. [2021-10-29 03:31:54,791 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 304 transitions. [2021-10-29 03:31:54,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-10-29 03:31:54,792 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:54,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:55,092 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 22 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:31:58,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:58,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 179 states and 315 transitions. [2021-10-29 03:31:58,742 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 315 transitions. [2021-10-29 03:31:58,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-10-29 03:31:58,744 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:31:58,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:31:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:31:59,147 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 28 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:32:03,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:32:03,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 188 states and 326 transitions. [2021-10-29 03:32:03,058 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 326 transitions. [2021-10-29 03:32:03,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-10-29 03:32:03,059 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:32:03,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:32:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:32:03,525 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 34 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:32:07,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:32:07,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 197 states and 337 transitions. [2021-10-29 03:32:07,668 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 337 transitions. [2021-10-29 03:32:07,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-10-29 03:32:07,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:32:07,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:32:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:32:08,276 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 40 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:32:12,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:32:12,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 206 states and 348 transitions. [2021-10-29 03:32:12,620 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 348 transitions. [2021-10-29 03:32:12,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-10-29 03:32:12,621 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:32:12,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:32:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:32:13,329 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 46 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:32:17,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:32:17,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 215 states and 357 transitions. [2021-10-29 03:32:17,652 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 357 transitions. [2021-10-29 03:32:17,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-10-29 03:32:17,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:32:17,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:32:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:32:17,985 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-10-29 03:32:31,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:32:31,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 240 states and 391 transitions. [2021-10-29 03:32:31,927 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 391 transitions. [2021-10-29 03:32:31,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-10-29 03:32:31,928 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:32:31,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:32:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:32:32,016 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-10-29 03:32:36,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:32:36,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 192 states and 321 transitions. [2021-10-29 03:32:36,857 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 321 transitions. [2021-10-29 03:32:36,858 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:32:36,858 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2021-10-29 03:32:36,869 INFO L759 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2021-10-29 03:32:37,477 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 03:32:37,486 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 03:32:37,486 INFO L565 CodeCheckObserver]: Invariant with dag size 15 [2021-10-29 03:32:37,489 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:32:37,489 INFO L565 CodeCheckObserver]: Invariant with dag size 15 [2021-10-29 03:32:37,492 INFO L565 CodeCheckObserver]: Invariant with dag size 8 [2021-10-29 03:32:37,493 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 03:32:37,493 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 03:32:37,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:32:37 ImpRootNode [2021-10-29 03:32:37,497 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:32:37,498 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:32:37,498 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:32:37,498 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:32:37,499 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:31:17" (3/4) ... [2021-10-29 03:32:37,512 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:32:37,549 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-29 03:32:37,553 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 03:32:37,556 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:32:37,559 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:32:37,766 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d67ce6c-a969-4031-b59f-755fade6599d/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:32:37,767 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:32:37,768 INFO L168 Benchmark]: Toolchain (without parser) took 82982.71 ms. Allocated memory was 83.9 MB in the beginning and 589.3 MB in the end (delta: 505.4 MB). Free memory was 48.6 MB in the beginning and 192.5 MB in the end (delta: -144.0 MB). Peak memory consumption was 359.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:32:37,769 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 83.9 MB. Free memory was 55.4 MB in the beginning and 55.4 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:32:37,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1093.96 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 48.6 MB in the beginning and 54.9 MB in the end (delta: -6.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:32:37,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.55 ms. Allocated memory is still 102.8 MB. Free memory was 54.9 MB in the beginning and 49.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:32:37,770 INFO L168 Benchmark]: Boogie Preprocessor took 87.92 ms. Allocated memory is still 102.8 MB. Free memory was 49.2 MB in the beginning and 45.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:32:37,771 INFO L168 Benchmark]: RCFGBuilder took 1685.09 ms. Allocated memory is still 102.8 MB. Free memory was 45.2 MB in the beginning and 61.6 MB in the end (delta: -16.4 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:32:37,771 INFO L168 Benchmark]: CodeCheck took 79683.80 ms. Allocated memory was 102.8 MB in the beginning and 589.3 MB in the end (delta: 486.5 MB). Free memory was 60.9 MB in the beginning and 216.6 MB in the end (delta: -155.8 MB). Peak memory consumption was 330.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:32:37,771 INFO L168 Benchmark]: Witness Printer took 269.08 ms. Allocated memory is still 589.3 MB. Free memory was 216.6 MB in the beginning and 192.5 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:32:37,774 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, 249 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 79.0s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 968916992 SDtfs, 464004238 SDslu, 220211228 SDs, 0 SdLazy, 712432894 SolverSat, 36972052 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28226 GetRequests, 26972 SyntacticMatches, 512 SemanticMatches, 742 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266972 ImplicationChecksByTransitivity, 72.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 3365 NumberOfCodeBlocks, 3365 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3343 ConstructedInterpolants, 0 QuantifiedInterpolants, 6337 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 10 PerfectInterpolantSequences, 597/924 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: 1763]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1780]: 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 2 specifications checked. All of them hold - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: 1 <= main__i - InvariantResult [Line: 1542]: Loop Invariant Derived loop invariant: 3 <= main__i - InvariantResult [Line: 1767]: Loop Invariant Derived loop invariant: ((4 <= main__i && main__i + 1 <= main__nlen) && 8 <= main__j) || (main__i + 1 <= main__nlen && 5 <= main__i) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1742]: Loop Invariant Derived loop invariant: ((4 <= main__i && main__i + 1 <= main__nlen) && 7 <= main__j) || (main__i + 1 <= main__nlen && 5 <= main__i) - InvariantResult [Line: 1754]: Loop Invariant Derived loop invariant: main__i + 1 <= main__nlen && 5 <= main__i - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: main__i == 0 - InvariantResult [Line: 1103]: Loop Invariant Derived loop invariant: 2 <= main__i * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 83.9 MB. Free memory was 55.4 MB in the beginning and 55.4 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1093.96 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 48.6 MB in the beginning and 54.9 MB in the end (delta: -6.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 156.55 ms. Allocated memory is still 102.8 MB. Free memory was 54.9 MB in the beginning and 49.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 87.92 ms. Allocated memory is still 102.8 MB. Free memory was 49.2 MB in the beginning and 45.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1685.09 ms. Allocated memory is still 102.8 MB. Free memory was 45.2 MB in the beginning and 61.6 MB in the end (delta: -16.4 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. * CodeCheck took 79683.80 ms. Allocated memory was 102.8 MB in the beginning and 589.3 MB in the end (delta: 486.5 MB). Free memory was 60.9 MB in the beginning and 216.6 MB in the end (delta: -155.8 MB). Peak memory consumption was 330.5 MB. Max. memory is 16.1 GB. * Witness Printer took 269.08 ms. Allocated memory is still 589.3 MB. Free memory was 216.6 MB in the beginning and 192.5 MB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:32:37,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d67ce6c-a969-4031-b59f-755fade6599d/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...